Adaptive Filter Patents (Class 382/261)
  • Patent number: 11157278
    Abstract: A digital data processor includes an instruction memory storing instructions each specifying a data processing operation and at least one data operand field, an instruction decoder coupled to the instruction memory for sequentially recalling instructions from the instruction memory and determining the data processing operation and the at least one data operand, and at least one operational unit coupled to a data register file and to an instruction decoder to perform a data processing operation upon at least one operand corresponding to an instruction decoded by the instruction decoder and storing results of the data processing operation. The operational unit is configured to increment histogram values in response to a histogram instruction by incrementing a bin entry at a specified location in a specified number of at least one histogram.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: October 26, 2021
    Assignee: Texas Instruments Incorporated
    Inventors: Naveen Bhoria, Duc Bui, Rama Venkatasubramanian, Dheera Balasubramanian Samudrala, Alan Davis
  • Patent number: 11153607
    Abstract: A deblocking filtering method includes receiving reconstructed video data associated with a block boundary in a video coding system. The block boundary has N lines of samples crossing the block boundary from a P side to a Q side of the boundary. The method further includes determining whether to apply a first filter set to reduce block artifacts at the block boundary based on whether a first inter-side difference of a first line of the N lines of samples is greater than an inter-side difference threshold, determining a filter length of a filter in the first filter set based on a first side length of the P side, and a second side length of the Q side when it is determined to apply the first filter set, and applying at least one filter in the first filter set with the determined filter length on the block boundary.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: October 19, 2021
    Assignee: MEDIATEK INC.
    Inventors: Chia-Ming Tsai, Tzu-Der Chuang, Chih-Wei Hsu, Ching-Yeh Chen, Yu-Wen Huang
  • Patent number: 11146826
    Abstract: An image filtering method and apparatus are disclosed. The method includes: obtaining a first index of the luma blocks, wherein the first index represents a filter type applicable to the luma blocks; obtaining a second index of the first chroma blocks, wherein the second index represents a filter type applicable to the first chroma blocks; filtering the luma blocks by applying a first filter in a filter set, the first filter corresponding to the first index; and filtering the first chroma blocks by applying a second filter in the filter set, the second filer corresponding to the second index.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: October 12, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jicheng An, Jianhua Zheng
  • Patent number: 11115582
    Abstract: The signal calculation unit calculates first, second, and third signal about an amount of blur or high frequency signal, which are related to an edge, based on a first luminance signal, a second luminance signal, and a third luminance signal, respectively. The data expansion unit expands the signals about an amount of blur or high frequency signal respectively to first, second, and third expanded signal data. A control method determination unit sets a back focus area based on a magnitude relation between the first expanded signal data and the second expanded signal data and set a front focus area based on magnitude relation between the first expanded signal data and the third expanded signal data to thereby control focus.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: September 7, 2021
    Assignee: JVCKENWOOD CORPORATION
    Inventor: Kunio Yamada
  • Patent number: 11112703
    Abstract: Disclosed is a method of, and associated apparatus for, determining an edge position relating to an edge of a feature comprised within an image, such as a scanning electron microscope image, which comprises noise. The method comprises determining a reference signal from said image; and determining said edge position with respect to said reference signal. The reference signal may be determined from the image by applying a 1-dimensional low-pass filter to the image in a direction parallel to an initial contour estimating the edge position.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: September 7, 2021
    Assignee: ASML Netherlands B.V.
    Inventors: Thomas Jarik Huisman, Ruben Cornelis Maas, Hermanus Adrianus Dillen
  • Patent number: 11094046
    Abstract: A radiographic imaging apparatus includes an image generation unit that generates radiation images, and an image processing unit that synthesizes a plurality of radiation images to generate an enhanced image. The image processing unit is configured to synthesize the plurality of radiation images by weighting each of the plurality of radiation images in accordance with a feature point distance.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: August 17, 2021
    Assignee: Shimadzu Corporation
    Inventor: Keiichi Tanno
  • Patent number: 11055824
    Abstract: A machine learning system for processing image data obtained from an image sensor is provided. The system includes a front end comprising one or more hard-coded filters, each of the one or more hard-coded filters being arranged to perform a set task. The system includes a neural network arranged to receive and process output from the front end. The one or more hard-coded filters include one or more hard-coded noise compensation filters that are hard-coded to compensate for a noise profile of the image sensor from which the image data is obtained. A method of processing image data in a machine learning system is also provided. A system for processing image data is provided.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: July 6, 2021
    Assignee: Apical Limited
    Inventor: Ilya Romanenko
  • Patent number: 11030725
    Abstract: A video processing system and method apply a bilateral filter to images of a video stream in real time. The bilateral filter is executed and applied using a graphics processing unit (GPU) controlled by a processor. The bilateral filter may be encoded in a shader operated by the GPU. The GPU or processor may be configured to compress one or more video images of the video stream. Blurring or smoothing of the video images by the shader-implemented bilateral filter may reduce image noise thereby increasing a compression performance. The bilateral filter may be applied exclusively to a background of the video images which are substantially free of sharp edges. The video stream may be received from cameras covering an area of an airport, which may be an airport apron.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: June 8, 2021
    Assignee: Searidge Technologies Inc.
    Inventors: Christian Tim Thurow, Alex Sauriol, Moodie Cheikh
  • Patent number: 11000247
    Abstract: A method is provided for operating a medical imaging X-ray device. The method records an earlier individual image of a series of images of a patient using a recording facility. The location of a medical component is identified, and the medical component is localized in the earlier individual image using a computing facility. A subregion of the earlier individual image is specified, determined by the position of the medical component localized in the earlier individual image and with the localized medical component represented. A later individual image is recorded and the medical component is localized in the later individual image. The later individual image is displayed, the later individual image averaged exclusively region-specifically in the region of the medical component with the subregion of the earlier individual image. Method acts are repeated with the displayed individual image as the earlier individual image to enhance visibility of the medical component.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: May 11, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: Oliver Baruth, Terrence Chen
  • Patent number: 10965950
    Abstract: Disclosed herein are exemplary embodiments of methods, apparatus, and systems for performing content-adaptive deblocking to improve the visual quality of video images compressed using block-based motion-predictive video coding. For instance, in certain embodiments of the disclosed technology, edge information is obtained using global orientation energy edge detection (“OEED”) techniques on an initially deblocked image. OEED detection can provide a robust partition of local directional features (“LDFs”). For a local directional feature detected in the partition, a directional deblocking filter having an orientation corresponding to the orientation of the LDF can be used. The selected filter can have a filter orientation and activation thresholds that better preserve image details while reducing blocking artifacts. In certain embodiments, for a consecutive non-LDF region, extra smoothing can be imposed to suppress the visually severe blocking artifacts.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: March 30, 2021
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Xiaoyan Sun, Zhiwei Xiong, Feng Wu
  • Patent number: 10929967
    Abstract: Method for processing of a grey scale image, in particular a dim grey scale image, comprising the following steps: a) receiving an initial grey scale image, said initial grey scale image having a plurality of pixels at an initial resolution, b) calculating parameters characterizing the luminance (gain, median_grey, var_grey) and the noise level (X, noise_estimate, radius_spatial_summation, grid_size, threshold_var) of the initial grey scale image of step a), c) creating a basic intermediate image, d) creating an averaged intermediate image, and e) creating an enhanced grey scale image by interpolation of pixels based on the averaged receptors (greyAvg) of the averaged intermediate image of step d).
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: February 23, 2021
    Assignee: KARL-FRANZENS-UNIVERSITÄT GRAZ
    Inventor: Manfred Hartbauer
  • Patent number: 10922833
    Abstract: A method of processing image data representative of an image using a multi-stage system comprising a first neural network (NN) for identifying a first image characteristic and a second NN for identifying a second image characteristic. The method comprises processing the image data using t a first at least one layer of the first NN to generate feature data representative of at least one feature of the image and processing the feature data using a second at least one layer of the first NN to generate first image characteristic data indicative of whether the image includes the first image characteristic. The feature data is transferred from the first NN to the second NN. The feature data is processed using the second NN to generate second image characteristic data representative of whether the image includes the second image characteristic.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: February 16, 2021
    Assignees: Apical Ltd., Arm Limited
    Inventors: Daren Croxford, David Hennah Mansell
  • Patent number: 10915810
    Abstract: A cascading convolutional neural network (CCNN) comprising a plurality of convolutional neural networks (CNNs) that are trained by weighting training data based on loss values of each training datum between CNNs of the CCN. The CCNN can receiving an input image from plurality of images, classify the input image using the CCNN, and present a classification of the input image.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: February 9, 2021
    Assignee: International Business Machines Corporation
    Inventors: Taro Sekiyama, Masaharu Sakamoto, Hiroki Nakano, Kun Zhao
  • Patent number: 10874903
    Abstract: A method for locating a golf ball including changing a temperature of a golf ball from a first temperature to a second temperature before use or marking the ball by reflective (mirror) or fluorescent material (e.g., NIR-IR fluorescent dye). The temperature changed ball is struck. Using either a thermal imaging camera with an imaging processing unit or a near-infrared (NIR) imaging camera with an imaging processing unit to produce a digital image of a part of the golf course with a potential golf ball location. An image processing technique is applied to produce an enhanced image of the golf ball location. A thermal imaging camera and a NIR imaging camera for locating a golf ball are described. A non-transitory computer readable media is described.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: December 29, 2020
    Assignee: TechnoImaging, LLC
    Inventors: Michael S. Zhdanov, Leif H. Cox, Vladimir Burtman
  • Patent number: 10863204
    Abstract: Apparatus, systems and methods for adaptively reducing blocking artifacts in block-coded video are disclosed. In one implementation, a system includes processing logic at least capable of deblock filtering at least a portion of a line of video data based, at least in part, on edge information and texture information to generate at least a portion of a line of deblocked video data, and an image data output device responsive to the processing logic.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: December 8, 2020
    Assignee: Intel Corporation
    Inventors: Jorge E. Caviedes, Mahesh M. Subedar, Khasim S. Dudekula
  • Patent number: 10848772
    Abstract: Described is a system and method for dynamically changing encode quality at a block level based on runtime pre-encoding analysis of content in a video stream. A video encoder continuously analyzes the content during runtime, and collects statistics and/or characteristics of the content before encoding it. This classifies the block among pre-defined categories of content, where every category has its own compression parameters.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: November 24, 2020
    Assignee: ATI Technologies ULC
    Inventors: Boris Ivanovic, Mehdi Saeedi
  • Patent number: 10789712
    Abstract: Detecting breast abnormalities includes receiving a first mammographic image having original pixels. A second mammographic image is generated by enhancing the first mammographic image. Enhancing the first mammographic image includes performing the following for each original pixel in at least a subset of the original pixels. A histogram is generated for a region surrounding the original pixel, the region defined by an enhancement sliding window. Using the histogram, a value of the original pixel is revised to obtain a revised value, and the revised value is stored in the second mammographic image. A breast abnormality location is detected based on the second mammographic image.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: September 29, 2020
    Assignee: MESC Health Ltd
    Inventor: Waleed Ahmed Yousef
  • Patent number: 10762402
    Abstract: An image conversion device that performs conversion processing on image data before compression processing is performed includes: a pixel designation unit that sequentially designate, as a second pixel, pixels in a raster line that forms the image data in a direction away from a first pixel, which is a pixel included in the raster line, starting from a pixel adjacent to the first pixel in the raster line as a start point of the designation; an evaluation value calculation unit that calculates, as an evaluation value, an absolute value of a difference between pixel values of the first pixel and the second pixel or a square value of the difference; a determination unit that determines whether or not the evaluation value exceeds a predetermined threshold value; and a conversion unit that calculates a representative value of pixel values from the first pixel to a third pixel that is a pixel adjacent to the second pixel at a side of the first pixel and converts the pixel values from the first pixel to the third pi
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: September 1, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Masakazu Isomura, Kiyoshi Kawai, Kohei Utsunomiya, Tadashi Hayashi
  • Patent number: 10699385
    Abstract: Disclosed is an image processing apparatus including: a sharpness recovery unit configured to recover sharpness of an input image; a correlation determination unit configured to determine a correlation between a target pixel and peripheral pixels of the input image; a noise removal unit configured to perform smoothing of the target pixel determined as having a correlation with the peripheral pixels in a recovered image output from the sharpness recovery unit; and a switching unit configured to switch between a mode in which the correlation determination unit uses the target pixel and the peripheral pixels of the pre-recovery input image in the correlation determination and a mode in which the correlation determination unit uses the target pixel and the peripheral pixels of the recovered input image in the correlation determination, depending on recovery characteristics used in the determination of the correlation determination unit.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: June 30, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koji Fuse, Hisashi Ishikawa, Akitoshi Yamada
  • Patent number: 10635640
    Abstract: A system and method for enriching a concept database. The method includes determining, based on signatures of a first multimedia content element (MMCE) and signatures of a plurality of existing concepts in the concept database, at least one first concept, wherein each first concept is one of the plurality of existing concepts matching a portion of the first MMCE; generating a reduced representation of the first MMCE, wherein the generation of the reduced representation includes removing the at least one portion of the first MMCE matching the determined at least one first concept; comparing the reduced representation to signatures representing a plurality of second MMCEs to determine a plurality of matching second MMCEs; generating, based on the reduced representation and the plurality of matching second MMCEs, at least one second concept; and adding the generated at least one second concept to the concept database.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: April 28, 2020
    Assignee: Cortica, Ltd.
    Inventors: Adam Harel, Igal Raichelgauz, Karina Odinaev, Yehoshua Y Zeevi
  • Patent number: 10599978
    Abstract: A cascading convolutional neural network (CCNN) comprising a plurality of convolutional neural networks (CNNs) that are trained by weighting training data based on loss values of each training datum between CNNs of the CCN. The CCNN can receiving an input image from plurality of images, classify the input image using the CCNN, and present a classification of the input image.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: March 24, 2020
    Assignee: International Business Machines Corporation
    Inventors: Taro Sekiyama, Masaharu Sakamoto, Hiroki Nakano, Kun Zhao
  • Patent number: 10565688
    Abstract: An image processing apparatus includes: a dispersion calculation unit for calculating a dispersion of pixel values in each of a plurality of pixel groups which are each composed of a pixel of interest and peripheral pixels around the pixel of interest in an image and in which the pixel of interest and the peripheral pixels are arranged in directions different from one another; and a gradation determination unit for determining whether or not the pixel of interest belongs to a gradation region on the basis of a magnitude relationship among the dispersions calculated by the dispersion calculation unit.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: February 18, 2020
    Assignee: OLYMPUS CORPORATION
    Inventor: Teruaki Yamasaki
  • Patent number: 10491897
    Abstract: A spatially adaptive quantization-aware deblocking filter is used for encoding or decoding video or image frames. The deblocking filter receives a reconstructed frame produced based on dequantized and inverse transformed coefficients of a video frame or an image frame. The reconstructed frame is filtered according to adaptive quantization field data for the video or image frame. The adaptive quantization field data represents weights applied to quantization values used at different areas of the video or image frame. A number of blocking artifacts remaining within the resulting filtered frame is determined. The adaptive quantization field data is then adjusted based on that number of blocking artifacts. The filtered frame is then filtered according to the adjusted adaptive quantization field data. The resulting re-filtered frame is then output to an output source, such as for transmission, display, storage, or further processing.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: November 26, 2019
    Assignee: GOOGLE LLC
    Inventors: Jyrki Alakuijala, Jan Wassenberg
  • Patent number: 10475167
    Abstract: Method and device for image rotation, and apparatus for image formation are provided. The method includes obtaining a tilt angle and size information of a to-be-processed image data, and obtaining position information of a target pixel corresponding to each rotated original pixel by performing a calculation based on the tilt angle and the size information and position information of each original pixel. The method also includes obtaining an enhancement parameter value and an edge parameter value by filtering the original pixel. Further, the method includes performing a two-dimensional interpolation process based on neighboring pixels of the original pixel, the enhancement parameter value and the edge parameter value, and obtaining a target pixel value of the target pixel according to an original pixel value of the original pixel, the enhancement parameter value, and the edge parameter value, thereby obtaining a target image corresponding to the rotated to-be-processed image data.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: November 12, 2019
    Assignee: ZHUHAI SEINE TECHNOLOGY CO., LTD.
    Inventor: Yangxiao Ma
  • Patent number: 10453184
    Abstract: An image processing apparatus includes an identification unit, a calculator, and an image processor. The identification unit identifies a group of pixels indicating an object of interest in medical image data. The calculator specifies a cross-section corresponding to the running direction of the object of interest indicated by the group of pixels in the medical image data. The image processor performs noise reduction on the cross-section identified.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: October 22, 2019
    Assignee: Canon Medical Systems Corporation
    Inventor: Satoru Ohishi
  • Patent number: 10440395
    Abstract: Apparatus, systems and methods for adaptively reducing blocking artifacts in block-coded video are disclosed. In one implementation, a system includes processing logic at least capable of deblock filtering at least a portion of a line of video data based, at least in part, on edge information and texture information to generate at least a portion of a line of deblocked video data, and an image data output device responsive to the processing logic.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: October 8, 2019
    Assignee: Intel Corporation
    Inventors: Jorge E. Caviedes, Mahesh M. Subedar, Khasim S. Dudekula
  • Patent number: 10339641
    Abstract: The present disclosure relates to an image processing apparatus and method and decoding apparatus. The image processing apparatus may comprises a receiver for receiving an image and an image processor for dividing the image into a plurality of regions, and performing filtering by iteratively applying at least one filter to each of the plurality of regions in the image, wherein the at least one filter comprises an asymmetric filter that uses an asymmetric filtering window having height and width in different size.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: July 2, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Dale Yim
  • Patent number: 10277203
    Abstract: A digital filter has an assigned filter function with assigned filter coefficients, an input receiving input samples, another input receiving confidence values, and an output. Each input sample value is associated to an input confidence value, wherein the filter output depends on the input samples, the input confidence values as well as the filter coefficients. The filter contains multiple accumulators, wherein an output sample is produced after a predetermined number of sample values wherein associated confidence values have been input to the filter.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: April 30, 2019
    Assignee: MICROCHIP TECHNOLOGY GERMANY GMBH
    Inventors: Axel Heim, Martin Hoch
  • Patent number: 10235474
    Abstract: Techniques herein are for navigation data structures for graph traversal. In an embodiment, navigation data structures that a computer stores include: a source vertex array of vertices; a neighbor array of dense identifiers of target vertices terminating edges; a bidirectional map associating, for each vertex, a sparse identifier of the vertex with a dense identifier of the vertex; and a vertex array containing, when a dense identifier of a source vertex is used as an offset, a pair of offsets defining an offset range, for use with the neighbor array. The source vertex array, using the dense identifier of a particular vertex as an offset, contains an offset, into a neighbor array, of a target vertex terminating an edge originating at the particular vertex. The neighbor array contiguously stores dense identifiers of target vertices terminating edges originating from a same source vertex.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: March 19, 2019
    Assignee: Oracle International Corporation
    Inventors: Michael Haubenschild, Sungpack Hong, Hassan Chafi, Korbinian Schmid, Martin Sevenich, Alexander Weld
  • Patent number: 10217201
    Abstract: An image processing method comprises: identifying a weak edge comprising a plurality of weak edge pixels and a strong edge comprising a plurality of strong edge pixels in an input image; filtering at least a part of said input image to obtain a smoothed image, during which said weak edge in said input image is filtered with a first filter and said strong edge in said input image is filtered with a second filter having a smoothness less than that of said first filter; acquiring edge information of said input image based on said input image and said smoothed image; and generating an output image based on said edge information and said smoothed image. The present invention further relates to an image processing system and an imaging system.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: February 26, 2019
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Ming Yan, Kun Tao, Dejun Wang
  • Patent number: 10147014
    Abstract: An image processing apparatus and method including executing high-pass filtering in a column direction on the pixel values of original image data read from a flat panel detector to obtain first image data, and subtracting a value obtained by converting each of the pixel values of the first image data in accordance with an absolute value of a statistic calculated from pixel values in the same pixel row of the first image data from the value of a corresponding pixel of the original image data to obtain processed image data.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: December 4, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Keiji Tsuchiya
  • Patent number: 10063891
    Abstract: A data compression method wherein said data comprises noise and information, comprising a data acquisition step, a pre-compression parameter selection step, wherein said pre-compression parameters are linked to an information loss, a compression step, and a storage step, the compression step being characterized in that it comprises a lossy pre-compression for removing some noise of the data, carried out using the pre-compression parameters selected in the selection step followed by lossless compression for compressing the remaining data.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: August 28, 2018
    Assignee: Université de Genève
    Inventors: Anthony Martin, Hugo Zbinden, Bruno Sanguinetti
  • Patent number: 10057586
    Abstract: Depth based block partitioning in high efficiency video coding is provided by partitioning a video image block into different partitions using a binary segmentation mask. A determination is made whether to filter pixels at a boundary between the partitions. A particular pixel is not filtered in response to each adjacent pixel in vertical and horizontal planes in relation to the particular pixel having a same value. The particular pixel is filtered in response to any adjacent pixel in the vertical and horizontal planes in relation to the particular pixel having a different value than any other adjacent pixel in the vertical and horizontal planes in relation to the particular pixel. Pixels are filtered pursuant to a filtering process in response to a filtering determination.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: August 21, 2018
    Assignees: Futurewei Technologies, Inc., Santa Clara University
    Inventors: Zhouye Gu, Jianhua Zheng, Nam Ling, Chen-Xiong Zhang
  • Patent number: 10037459
    Abstract: A system and process of generating an improved image for optical character recognition is disclosed comprising dynamically obtaining a video source image comprising one or more characters on a background using a video capture device; detecting edges of at least one of the one or more characters that comprise the video source image; determining a sharpness value for the edges of the at least one of the one or more characters, wherein the sharpness value is related to the ability of the video capture device to distinguish the edges of the characters from the background; and indicating at least when the sharpness value is at a predetermined value or within a predetermined range of values.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: July 31, 2018
    Assignee: Sage Software, Inc.
    Inventor: Scott E. Barton
  • Patent number: 10038906
    Abstract: A content receiver and a method for controlling the same are provided. The content receiver, for example, may include, but is not limited to, a communication system configured to receive video content comprising a plurality of video frames from a content source, and a video analyzer configured to determine when compression of the video content is causing blockiness in one or more of the plurality of video frames, and trigger at least one content receiver response when the compression of the video content is causing blockiness in one or more of the plurality of video frames.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: July 31, 2018
    Assignee: SLING MEDIA PVT. LTD.
    Inventors: Sushant Sudhir Kulkami, Arunoday Thammineni, Yatish J. Naik Raikar, Varunkumar B. Tripathi
  • Patent number: 9996902
    Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for upscaling an image. One of the methods includes upscaling a low resolution image, creating first pixel subsets of the first upscaled image, creating second pixel subsets of a high resolution image, determining, for each subset in the pixel subsets, a value of a property of the pixel subset, determining, for each subset in the pixel subsets, a group of subsets to which the corresponding pixel subset belongs using the value of the property, and determining, for each of the groups of subsets, a filter to apply to each of the first pixel subsets that correspond to the pixel subsets in the group to create a final pixel subset that approximates the corresponding second pixel subset using the first pixel subset, a combination of all of the final pixel subsets representing a second upscaled image.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: June 12, 2018
    Assignee: Google LLC
    Inventors: Peyman Milanfar, Yaniv Romano
  • Patent number: 9984305
    Abstract: This invention transforms a list of feature points in raster scan order into a list of maxima suppressed feature points. A working buffer has two more entries than the width of the original image. Each entry is assigned to an x coordinate of the original image. Each entry stores a combined y coordinate and reliability score for each feature point in the original list. This process involves a forward scan and a backward scan. For each original feature point its x coordinate defines the location within the working buffer where neighbor feature points would be stored if they exist. The working buffer initial data and the y coordinates assure a non suppress comparison result if the potential neighbors are not actual neighbors. For actual neighbor data, the y coordinates match and the comparison result depends solely upon the relative reliability scores.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: May 29, 2018
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Deepak Kumar Poddar, Pramod Kumar Swami, Prashanth Viswanath
  • Patent number: 9906798
    Abstract: An image encoding method includes: selecting one motion prediction model from a plurality of motion prediction models including a translational motion model and a non-translational motion model for each of blocks in the image; performing motion prediction using the selected motion prediction model to generate a prediction image; generating a reconstructed image using the prediction image; determining that filtering is to be performed if the non-translational motion model is selected for at least one of a first block and a second block that is adjacent to the first block; and performing the filtering on a boundary between the reconstructed image for the first block and the reconstructed image for the second block if it is determined that the filtering is to be performed.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: February 27, 2018
    Assignee: SUN PATENT TRUST
    Inventors: Matthias Narroschke, Hisao Sasai
  • Patent number: 9865037
    Abstract: Known super-resolution algorithms are inefficient due to a high degree of redundant calculations, require search operations such as block matching for finding nearest neighbors, and achieve only small magnification factors. An improved method for upscaling an image comprises steps of upscaling the image by pixel interpolation to obtain a coarse upscaled image, and, for each pixel of the coarse upscaled image, determining a nonlinear regression function for a patch of pixels around a current pixel of the coarse upscaled image and enhancing the value of the current pixel by adding the result of the nonlinear regression function, wherein a pixel of an upscaled image is obtained. The nonlinear regression function is obtained from a trained regression tree, based on geometric features of the patch.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: January 9, 2018
    Assignee: THOMSON LICENSING
    Inventor: Jordi Salvador Marcos
  • Patent number: 9819914
    Abstract: A method for generating and employing a camera noise model, performed by a processing unit, is introduced to at least contain the following steps. A first frame is obtained by controlling a camera module via a camera module controller. A camera noise model is generated on-line according to the content of the first frame, which describes relationships between pixel values and standard deviations. A second frame is obtained by controlling the camera module via the camera module controller. The content of the second frame is adjusted using the camera noise model, and the second frame, which has been adjusted, is stored in a frame buffer.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: November 14, 2017
    Assignee: VIA ALLIANCE SEMICONDUCTOR CO., LTD.
    Inventors: Weiman Kong, Xu Wang, Aimin Liang
  • Patent number: 9779750
    Abstract: A cue, for example a facial expression or hand gesture, is identified, and a device communication is filtered according to the cue.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: October 3, 2017
    Assignee: Invention Science Fund I, LLC
    Inventors: Paul G. Allen, Edward K. Y. Jung, Royce A. Levien, Mark A. Malamud, John D. Rinaldo, Jr.
  • Patent number: 9767538
    Abstract: An image capture application captures a sequence of images via a digital camera. The sequence of images may have undesirable levels of blurriness due to the motion of objects in the field of view of the digital camera or due to movement of the digital camera itself. A deblur engine within the image capture application generates image segments within one of the captured images, where a given image segment includes pixel values that move coherently between different images in the sequence. The deblur engine then deblurs each image segment based on the coherent motion of each different image segment and combines the resultant, deblurred image segments into a deblurred image. Advantageously, blurriness caused by the combined effects of moving objects and camera motion may be reduced, thereby improving the ability of a digital camera to provide high-quality images. As such, the user experience of digital photography may be enhanced.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: September 19, 2017
    Assignee: NVIDIA Corporation
    Inventor: Kari Pulli
  • Patent number: 9741102
    Abstract: A statistical analysis is performed on pixel values of at least one region of interest in an image obtained by substantially uniform irradiation of an x-ray detector and deciding upon the presence of a source of x-ray beam in-homogeneity by comparing the results of the statistical analysis with at least one predetermined acceptance criterion.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: August 22, 2017
    Assignee: AGFA HEALTHCARE NV
    Inventors: Marc Cresens, Herman Van Goubergen
  • Patent number: 9710715
    Abstract: An image processing system, an image processing device, and image processing method are provided. Each of the image processing system, the image processing device, and the image processing method includes dividing an image into a plurality of areas according to a predetermined division condition, measuring an optical transmittance of each of the plurality of divided areas or data correlating with the optical transmittance as transmittance data, calculating the optical transmittance or the data correlating with the optical transmittance from the image as the transmittance data, determining a parameter for adjusting a contrast for each of the plurality of areas according to the transmittance data obtained by the measuring or the calculating, and adjusting a contrast of each one of the plurality of areas using the parameter determined by the determining.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: July 18, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Taro Kikuchi, Takashi Uozumi
  • Patent number: 9693063
    Abstract: A content receiver and a method for controlling the same are provided. The content receiver, for example, may include, but is not limited to, a communication system configured to receive video content comprising a plurality of video frames from a content source, and a video analyzer configured to determine when compression of the video content is causing blockiness in one or more of the plurality of video frames, and trigger at least one content receiver response when the compression of the video content is causing blockiness in one or more of the plurality of video frames.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: June 27, 2017
    Assignee: Sling Media PVT Ltd.
    Inventors: Sushant Sudhir Kulkarni, Arunoday Thammineni, Yatish J. Naik Raikar, Varunkumar B. Tripathi
  • Patent number: 9639980
    Abstract: An image processing apparatus comprises an acquiring section that acquires DEM data indicating digital elevation of each lattice-shaped area in a predetermined map region, a selecting section that selects at least one of a plurality of line filters that filters data which is continuous in one direction in the map region and a plurality of matrix filters that filters data constituting a two-dimensional region in the map region, a filter processing section that conducts filter processing of the DEM data acquired by the acquiring section by a filter selected by the selecting section, and an outputting section that outputs the DEM data after being filtered in the filter processing.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: May 2, 2017
    Assignee: Japan Oil, Gas and Metals National Corporation
    Inventors: Makoto Inoue, Taro Yajima
  • Patent number: 9619862
    Abstract: This disclosure pertains to novel devices, methods, and computer readable media for performing raw camera noise reduction using a novel, so-called “alignment mapping” technique to more effectively separate structure from noise in an image, in order to aid in the denoising process. Alignment mapping allows for the extraction of more structure from the image and also the ability to understand the image structure, yielding information for edge direction, edge length, and corner locations within the image. This information can be used to smooth long edges properly and to prevent tight image details, e.g., text, from being overly smoothed. In alignment maps, the amount of noise may be used to compute thresholds and scaling parameters used in the preparation of the alignment map. According to some embodiments, a feature map may also be created for the image. Finally, the image may be smoothed using the created feature map as a mask.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: April 11, 2017
    Assignee: Apple Inc.
    Inventor: Mark Zimmer
  • Patent number: 9578320
    Abstract: Apparatus, methods, and other embodiments associated with correcting defects in an image sensor output are described. According to one embodiment, an imaging device includes image sensor array logic, calibrated noise logic, and defect logic. The image sensor array logic is configured to generate an image array of output pixels in a Bayer pattern. The calibrated noise logic is configured to generate a noise estimate for each pixel. The defect logic is configured to detect a potential defect in a pixel-under-test of the image array of output pixels based on the noise estimate.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: February 21, 2017
    Assignee: Marvell International Ltd.
    Inventor: Huai Dong Li
  • Patent number: 9569880
    Abstract: A method, graphics processing unit, and system are described herein. The method for adaptive anisotropic filtering includes calculating a number of ways of anisotropy based on a computed level of detail of a texture map and applying a bilinear low pass filter to a texture map's closest two MIP maps using a processor. An effective number of ways and filter sizes may be computed on each of the closest two closest MIP maps. Additionally, the closest two MIP maps may be sampled at their respective effective number of ways. The method also includes applying a corresponding sized low pass filters to each of the closest two MIP maps, and combining the filtered closest two MIP maps using a weighted sum based on a fractional part of a computed level of detail.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: February 14, 2017
    Assignee: Intel Corporation
    Inventors: Prosun Chatterjee, Larry Seiler, Joy Chandra, Benjamin R. Pletcher
  • Patent number: 9571856
    Abstract: Techniques and tools for conversion operations between modules in a scalable video encoding tool or scalable video decoding tool are described. For example, given reconstructed base layer video in a low resolution format (e.g., 4:2:0 video with 8 bits per sample) an encoding tool and decoding tool adaptively filter the reconstructed base layer video and upsample its sample values to a higher sample depth (e.g., 10 bits per sample). The tools also adaptively scale chroma samples to a higher chroma sampling rate (e.g., 4:2:2). The adaptive filtering and chroma scaling help reduce energy in inter-layer residual video by making the reconstructed base layer video closer to input video, which typically makes compression of the inter-layer residual video more efficient. The encoding tool also remaps sample values of the inter-layer residual video to adjust dynamic range before encoding, and the decoding tool performs inverse remapping after decoding.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: February 14, 2017
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Shijun Sun, Shankar Regunathan, Chengjie Tu, Chih-Lung Lin