Line Doublers Type (e.g., Interlace To Progressive Idtv Type) Patents (Class 348/448)
  • Patent number: 10264212
    Abstract: A method and system for deinterlacing. A memory receives a current input image frame and a next input image frame. A processor estimates motion between the current input image frame and the next input image frame. Based on the motion estimate, a deinterlace map is created that indicates where the current input image frame should be deinterlaced. The current input image frame is split into fields, the first frame being an odd field frame, the second frame being an even field frame. The processor interpolates missing lines in the image. Two deinterlaced frames are output, with the first deinterlaced frame being based on the odd field frame and the second deinterlaced frame being based on the even field frame.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: April 16, 2019
    Assignee: The United States of America as represented by Secretary of the Navy
    Inventor: Gregory Knowles Fleizach
  • Patent number: 10152769
    Abstract: An image processing method is provided. Calculating sums of differences identified between a pixel value of a pixel of interest in an input image and pixel values of three pixels surrounding the pixel of interest. Calculating an average value of four pixel difference sums calculated by the pixel difference sum calculators. Calculating deviations between the average value and the four pixel difference sums calculated by the pixel difference sum calculators. Deriving a minimum coefficient from the candidates of coefficient calculated by a candidate coefficient calculator by using adjusted deviations derived from multiplying the deviations by a constant. Subtracting values derived from multiplying the adjusted deviations by the minimum coefficient from the pixel value of the pixel of interest in the input image and outputting values of four pixels in an enlarged image twice an original size of the input image in horizontal and vertical directions.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: December 11, 2018
    Assignee: JVC KENWOOD Corporation
    Inventor: Kunio Yamada
  • Patent number: 10121227
    Abstract: A method of reconstructing videos by using super-resolution algorithm includes the steps: (a) providing a video, wherein the video is composed of a plurality of frames having a sequence; (b) starting a first thread and a second thread, the first thread performing a first algorithm and the second thread performing a second algorithm for improving resolution, wherein a time complexity of the first algorithm is greater than a time complexity of the second algorithm; (c) the first thread sequentially reading the frames of the video in units of a first interval and processing the frames in order to obtain first processed frames, and the second thread sequentially reading the frames of the video in units of a second interval and processing the frames in order to obtain second processed frames, wherein a value of the first interval is an integer greater than 1, and a value of the second interval is 1; (d) performing a fusion operation on the second processed frames which is processed by the second thread and the nea
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: November 6, 2018
    Assignee: ULSee Inc.
    Inventor: Yang Liu
  • Patent number: 10097844
    Abstract: A video data decoding apparatus configured to decode input encoded data representing a plurality of independently decodable portions of a video image, each portion representing a spatially subsampled version of the video image so that a combination of the plurality of portions provides a representation of all of the pixels of that video image, the video data decoding apparatus: one or more decoders having a collective processing capacity which is lower than the maximum possible processing requirements for decoding the plurality of portions; a controller configured to route data of the portions to the one or more decoders so that the one or more decoders cooperate to decode the whole of at least one of the portions for that video image; and a combiner configured to combine the decoded portions to generate a representation of that video image.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: October 9, 2018
    Assignee: Sony Corporation
    Inventors: Nicholas Ian Saunders, Karl James Sharman
  • Patent number: 9959598
    Abstract: Disclosed is an operation method of an electronic device. The operation method may include: acquiring a shared image from an image resource file; acquiring an auxiliary image by using a difference between the image resource file and the shared image; and generating a particular image based on the shared image and the auxiliary image. An operation method of an electronic device is not limited to the above method, and other embodiments are possible within the same or similar scope as the present disclosure.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: May 1, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wook-Hyun Jeong, Jeong-Hyeon Choi
  • Patent number: 9892695
    Abstract: A display unit includes a plurality of pixels arranged in a two-dimensional matrix. An image is displayed in a first display mode and a second display mode. In the first display mode, one pixel is configured of a set including J (where J is an integer of 2 or more) first unit pixels emitting a first color, J second unit pixels emitting a second color, and J third unit pixels emitting a third color, and image display is performed through control of operation of each of the unit pixels. In the second display mode, one pixel is configured of a set including j (where j is an integer of 1 or more and less than J) first unit pixels, j second unit pixels, and j third unit pixels, and image display is performed through control of operation of each of the unit pixels.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: February 13, 2018
    Assignee: Sony Corporation
    Inventors: Akihito Nishiike, Keiichi Akamatsu, Kitsuko Hatakeyama, Ryo Kasegawa
  • Patent number: 9852712
    Abstract: A system for synchronizing displays of data transmitted wirelessly, the system includes a source device outputting a first video signal, a signal processing device connected to the source device, and a plurality of display devices connected to the signal processing device. The signal processing device transforms the first video signal to a second video signal. Display devices receive the second video signal from the signal processing device wirelessly and display the second video signal. The signal processing device includes a timer, the timer is configured to calculate a first time interval for transmitting a signal between the signal processing device and the display devices. The signal processing device transforms the first video signal in accordance with the first control signal, a footage of the second video signal is longer than the first time interval and a file size of the second video signal is smaller than the expected signal.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: December 26, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Jen-Tsorng Chang
  • Patent number: 9854256
    Abstract: Disclosed are an apparatus and method of encoding and decoding color images in an electronic device which includes a controller that analyzes pixel data of an image, determines a pixel pattern, and encodes the image according to the determined pixel pattern, and a display that displays the image under the control of the controller.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: December 26, 2017
    Assignee: Samsung Electric Co., Ltd
    Inventors: Dongkyoon Han, Yongman Lee, Soohyung Kim, Jongho Kim, Hyunhee Park, Jiyoung Yi
  • Patent number: 9786035
    Abstract: Provided is an image processing apparatus including a preprocessor configured to determine, based on an input image signal being input, a calculation range of calculation of detecting a direction of an edge in an image which the input image signal represents; and an edge direction detection unit configured to perform calculation within the calculation range determined based on the input image signal and detect the direction of the edge.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 10, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Takashi Nakano
  • Patent number: 9728151
    Abstract: A display panel driving and scanning system includes a timing controller to divide one frame period into first to third time periods. In the first time period, an image processing device calculates an overdriving signal for a current frame based on the current frame and a previous frame. In the second time period, the image processing device outputs the current frame, and a source driver charges the capacitors of the pixels in the liquid crystal display panel based on the current frame. In the third time period, the timing controller drives a backlight driving circuit to turn on a backlight source of the liquid crystal display panel for displaying the current frame.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: August 8, 2017
    Assignee: FOCALTECH SYSTEMS CO., LTD.
    Inventor: Chia-Fu Chang
  • Patent number: 9654724
    Abstract: In an embodiment, a method includes receiving video into a video display device. The method also includes storing, by at least one processor, the video into a memory, upon determining that the video display device is in a storage mode. Additionally, the method includes performing enhanced image processing on the video with the at least one processor, upon determining that the video display device is in an image processing mode.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: May 16, 2017
    Assignee: INTEL CORPORATION
    Inventor: Louis A. Lippincott
  • Patent number: 9639949
    Abstract: An improved algorithm for edge detection is provided that utilizes the second order derivative of the intensity distribution function of an image to provide edge orientation information for the detected edges. An exemplary embodiment of the improved algorithm includes determining the second order derivative of the intensity distribution function, identifying zero-crossings in the horizontal and vertical directions, assigning angle information to the identified zero-crossings in the horizontal and vertical directions; and identifying an edge orientation based the assigned angle information for the horizontal and vertical zero-crossing of the edge and adjacent edges.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: May 2, 2017
    Assignee: ANALOG DEVICES, INC.
    Inventors: Gopal Karanam, Benno Kusstatscher
  • Patent number: 9583060
    Abstract: A low-resolution image is displayed at higher resolution and afterimages are reduced. Resolution is made higher by super-resolution processing. In this case, the super-resolution processing is performed after frame interpolation processing is performed. Further, in that case, the super-resolution processing is performed using a plurality of processing systems. Therefore, even when frame frequency is made higher, the super-resolution processing can be performed at high speed. Further, since frame rate doubling is performed by the frame interpolation processing, afterimages can be reduced.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: February 28, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Patent number: 9549147
    Abstract: A system and method of producing a frame of a video image from an interlaced field. In one embodiment, the method includes: (1) creating an equal-intensity trace from present samples in the field, (2) recognizing an equal-intensity path in the equal-intensity trace, (3) at least partially straightening the equal-intensity path and (4) using the equal-intensity path to determine an intensity value for a missing sample in the frame.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: January 17, 2017
    Assignee: Nvidia Corporation
    Inventor: Mark Vojkovich
  • Patent number: 9530185
    Abstract: At least one image processing apparatus is provided which allows performing a demosaicing process on a polychrome image signal with high accuracy. The at least one image processing apparatus performs an interpolation process in each of a plurality of defined directions on a mosaic image signal and acquires an evaluation value representing a correlation in each of a horizontal direction and a vertical direction for each of a plurality of pixels of the image signal having undergone the interpolation process. The evaluation values for at least one pixel of interest are corrected based on the evaluation values for peripheral pixels if a predetermined condition including a condition that it is determined that the at least one pixel of interest is an isolated point is satisfied. Then, the image signal after the at least one pixel of interest is interpolated based on the corrected evaluation values.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: December 27, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yohei Yamanaka
  • Patent number: 9524538
    Abstract: A first interpolation processor of an image processing apparatus performs a first interpolation process, using values of a plurality of input pixels of an input image aligned in an arranged direction that is one of a horizontal direction and a vertical direction. Thus, the first interpolation processor derives a value of each of a plurality of noted points on an inclined interpolation line inclined relative to the horizontal direction and extending through a location of a processed pixel of an output image. Moreover, second interpolation processor derives a value of the processed pixel by performing a second interpolation process, using the derived values of the plurality of noted points on the inclined interpolation line.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: December 20, 2016
    Assignee: FUJITSU TEN LIMITED
    Inventors: Takeo Matsumoto, Teruhiko Kamibayashi, Kohji Ohnishi, Tomoyuki Fujimoto, Daisuke Yamamoto
  • Patent number: 9516234
    Abstract: A method of processing an image of a portable terminal, the portable terminal comprising an image signal processor (ISP) and an application processor (AP) includes: acquiring, at the ISP, an image from a camera unit of the portable terminal for each frame of a plurality of frames during an operation of the camera; generating, at the ISP, a display image and a compression image by processing the acquired image; transmitting the display image generated by the ISP for each frame and the compression image at a preset frame interval; and displaying, at the AP, the acquired display image and buffering, at the AP, the compression image.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: December 6, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woohyun Baek, Sungwook An, Sungkoo Lee, Hyunho Park
  • Patent number: 9438920
    Abstract: A picture encoding method includes: generating encoded data of a luminance component of a picture and encoded data of a first color difference component which has a first resolution; generating interpolated data by applying one of a plurality of upsampling filters to data obtained by decoding the encoded data of the first color difference component; calculating difference data by obtaining differences in corresponding pixels between the interpolated data and a second color difference component of the picture which has a second resolution higher than the first resolution; generating encoded data of the difference data; and generating a stream that contains filter information indicating the applied upsampling filter, the encoded data of the luminance component, the encoded data of the first color difference component, and the encoded data of the difference data.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: September 6, 2016
    Assignee: FUJITSU LIMITED
    Inventor: Miwa Shimada
  • Patent number: 9407844
    Abstract: A method for synchronizing a first circuit to an electro-optical sensor is disclosed. The method generally includes steps (A) to (D). Step (A) may generate with the first circuit a configuration signal that conveys a request to capture at least one frame of a plurality of periodic frames. Step (B) may receive the periodic frames at a second circuit from the electro-optical sensor. Step (C) may discard a first frame of the periodic frames where the first frame precedes the request. Step (D) may store a plurality of active pixels in a second frame of the periodic frames in a memory where the second frame follows the request. The second circuit is generally a hardware implementation.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: August 2, 2016
    Assignee: Ambarella, Inc.
    Inventor: Weining Li
  • Patent number: 9392213
    Abstract: A video de-interlacing device includes a video data input interface to receive a stream of interlaced video data, a motion detector coupled to the video data input interface to produce motion detection video data, and a video data output interface to pass de-interlaced video data generated from the motion detection video data. The video de-interlacing device also includes a recursive motion processor to detect a still motion condition in at least one area of the motion detection video data. The recursive motion processor includes a local still detector, a large area motion detector, and a feathering detector. The recursive motion processor is arranged to produce motion information used to crop the motion detection video data based on the detected still motion condition.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: July 12, 2016
    Assignee: STMICROELECTRONICS ASIA PACIFIC PTE LTD
    Inventors: Guillaume Militello, Lucas Hui
  • Patent number: 9349351
    Abstract: Each frame image is acquired as an input image. An image obtained by emphasizing high frequency components in the input image is generated as a high frequency component emphasized image, a composite image is generated by compositing the input image and an input image of a previous frame before the input image, and an image including low frequency components in the composite image is generated as a low frequency component image. Then, the high frequency component emphasized image and low frequency component image are alternately output as images of sub-frames of the input image.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: May 24, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventor: Ryosuke Mizuno
  • Patent number: 9336558
    Abstract: In the video encoders described herein, blocks of pixels from a video frame may be encoded (e.g., using CAVLC encoding) in a block processing pipeline using wavefront ordering (e.g., in knight's order). Each of the encoded blocks may be written to a particular one of multiple DMA buffers such that the encoded blocks written to each of the buffers represent consecutive blocks of the video frame in scan order. A transcode pipeline may operate in parallel with (or at least overlapping) the operation of the block processing pipeline. The transcode pipeline may read encoded blocks from the buffers in scan order and merge them into a single bit stream (in scan order). A transcoder core of the transcode pipeline may decode the encoded blocks and encode them using a different encoding process (e.g., CABAC). In some cases, the transcoder may be bypassed.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: May 10, 2016
    Assignee: Apple Inc.
    Inventors: Guy Cote, Timothy John Millet, Joseph J. Cheng, Mark P. Rygh, Jim C. Chou
  • Patent number: 9324131
    Abstract: A method and apparatus for generating an interpolated pixel at a vertical position half way between lines in a field of a video frame. The method comprises detecting a degree of motion in the vicinity of said interpolated pixel and providing weighting factors based on said degree of motion, and detecting a degree of variation in the vicinity of said interpolated pixel and providing a further weighting factor based on said degree of variation.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: April 26, 2016
    Assignee: CRUCIAL IP, INC.
    Inventor: Steve Selby
  • Patent number: 9316856
    Abstract: In a method of driving touch sensing display panel and a display apparatus for performing the method, image data are outputted to the touch sensing display panel during an active period of a frame, the touch sensing display panel comprising a display substrate including a switching element connected to a data line extending in a column direction and a gate line extending in a row direction, and a touch sensing substrate including a light sensing part connected to a read-out line substantially parallel to the data line and a scan line substantially parallel to the gate line. A sensing signal is read out through the read-out line during a blanking period of the frame.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: April 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Won Park, Bong-Hyun You, Jae-Sung Bae, Sang-Je Lee
  • Patent number: 9264744
    Abstract: In one aspect, an example method for outputting an alert indicating a functional state of a back-up video-broadcast system involves: a computing device receiving a first video-stream that represents first video-content; the computing device generating a first signature based, at least in part, upon an extent of black-frame/non-black-frame transitions included within the first video-content; the computing device receiving a second video-stream that represents second video-content; the computing device generating a second signature based, at least in part, upon an extent of black-frame/non-black-frame transitions included within the second video-content; the computing device making a determination that the generated first-signature and the generated second-signature lack a threshold extent of similarity; and responsive to the determination that the generated first-signature and the generated second-signature lack the threshold extent of similarity, the computing device outputting an alert.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: February 16, 2016
    Assignee: Tribune Broadcasting Company, LLC
    Inventor: Hank J. Hundemer
  • Patent number: 9237359
    Abstract: In an example, a method for filtering pixel data in video coding comprises determining a pixel filtering task from a plurality of pixel filtering tasks for filtering the pixel data, wherein each filtering task of the plurality of pixel filtering tasks is based on an instruction set for a programmable instruction set based controller, and executing the determined filtering task on the pixel data.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: January 12, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Ling Feng Huang, Ravikanth Challagulla, Cheng-Teh Hsieh, Eric Michael Lutz, Rohan Prakash Mallya, Sumit Mohan
  • Patent number: 9215353
    Abstract: A three-dimensional noise reduction processing unit perform as a recursive noise reduction process to an input image X(n), using a motion vector MV detected by a motion vector detecting unit. A three-dimensional noise reduced image B(n) is output as a corrected original image Y(n). A two-dimensional noise reduction filter processing unit applies a two-dimensional noise reduction filter to the input image X(n). Using the motion vector MV, an interpolated image generating unit generates an interpolated image Y(n+0.5) based on a two-dimensional noise reduced image A(n). Significant degradation of an interpolated image due to false detection of a motion vector is prevented by generating the interpolated image based on the image resulted without performing the recursive noise reduction process.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: December 15, 2015
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masafumi Ueno, Xiaomang Zhang, Yasuhiro Ohki
  • Patent number: 9148620
    Abstract: The format of telecined video may be determined including a bottom field first cadence. In addition, video using 2:3:3:2 top field first can be identified. Moreover, mixed cadence videos can also be detected. In some embodiments, mixed cadence videos may be detected by calculating variances of different areas within a frame.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: September 29, 2015
    Assignee: Intel Corporation
    Inventors: Jong Dae Oh, Yi-Jen Chiu, Sang-Hee Lee, Ning Lu
  • Patent number: 9101008
    Abstract: A light emitter driving device has a decoder portion which monitors a rectified voltage and generates a dimming signal, and a drive current control portion which controls a drive current to a light emitter according to the dimming signal. The decoder portion has a comparator which compares the rectified voltage with a predetermined threshold voltage to generate a comparison signal, a sampling counter which measures high-level and low-level periods of the comparison signal, a duty calculation portion which calculates the duty of the rectified voltage based on the output of the sampling counter, a filter calculation portion which excludes sporadic variation in duty by applying digital filtering to the output of the duty calculation portion, and a dimming signal generation portion which generates the dimming signal based on the output of the filter calculation portion.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: August 4, 2015
    Assignee: Rohm Co., Ltd.
    Inventors: Takeshi Sumitani, Akinobu Sawada
  • Patent number: 9049459
    Abstract: Systems and methods for a video multi-codec encoder are provided. Video input data including a plurality of video frames is accepted. At least one codec Y subsystem is applied to frame data that includes at least one video frame of the plurality of video frames, where the frame data includes at least an unencoded portion of the plurality of video frames before one or more of the at least one codec Y subsystem is applied. The at least one codec Y subsystem includes at least partial Yi codec functionality. Yi is a codec selected from video codecs ={Y1, . . . , Yn}. At least one codec Z subsystem is applied to the frame data, where the at least one codec Z subsystem includes at least partial Z codec functionality. Video output data is generated including simple Z-encoded video data of the at least one video frame using the frame data.
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: June 2, 2015
    Assignee: Exaimage Corporation
    Inventor: Jaime Milstein
  • Patent number: 9035968
    Abstract: A method for creating a distance dependent display that comprises providing an image separating mask having a plurality precision slits arranged in a pattern, generating an interlaced image from a plurality of images according to the pattern, and combining the interlaced image and the image separating mask to allow an observer to view substantially separately each the image from a respective of a plurality of different distances from the image separating mask.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: May 19, 2015
    Assignee: HumanEyes Technologies Ltd.
    Inventor: Assaf Zomet
  • Patent number: 9030607
    Abstract: A method and related apparatus for restraining erroneous image colors are provided for correcting pixel values of three sequential image fields of a video data while de-interlacing the video data. The method is utilized to correct the video data by detecting whether penetrations from luminance signals into chrominance signals or penetrations from chrominance signals into luminance signals occur in the video data. In embodiments of the present invention, the pixel chrominance signals of image fields with the same polarity are utilized to correct the pixel chrominance signals of another image field. Pattern matching and edge detection are utilized to determine whether penetrations from chrominance signals into luminance signals occur.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: May 12, 2015
    Assignee: Realtek Semiconductor Corp.
    Inventors: Bing-Jhe Chen, Po-Wei Chao
  • Patent number: 8976186
    Abstract: This invention provides an image processing apparatus and an image processing method. By calculation of the pixel difference that is the difference of each corresponding pixels between the current image and the previous image with its neighbor pixel difference, this invention can determine the blending value.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: March 10, 2015
    Assignee: Realtek Semiconductor Corp.
    Inventors: Chung-Ping Yu, Cheng-Han Li
  • Patent number: 8976222
    Abstract: An image processing apparatus includes an image processing command input section to receive image processing commands for image data written into a memory by units of one line, a line number deriving section to derive a number of lines of the image data required to execute image processing operations based on the image processing commands received by the image processing command input section, a line number indicating section to output a numerical value indicating the number of lines of the image data derived by the line number deriving section, a read timing controlling section to control read timing from the memory in response to the numerical value output from the line number indicating section, a parameter indicating section to output parameters used for the image processing operations, and an image processing section to execute the image processing operations.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: March 10, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Yohsuke Kawamura, Kohji Oshikiri
  • Patent number: 8964116
    Abstract: A de-interlacing device and method are provided that may be used in a memory based video processor. The de-interlacer mixes the output of a temporal de-interlacer and a spatial de-interlacer. Two separate error values are used; one for the temporal de-interlacer and another for the spatial de-interlacer. The de-interlacing device calculates from the two error values, using a non-linear mapping, a mix factor used to mix between the outputs of the spatial and temporal de-interlacers.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: February 24, 2015
    Assignee: Entropic Communications, Inc.
    Inventor: Erwin Bellers
  • Patent number: 8964117
    Abstract: A frame construction engine constructs a first frame of deinterlaced video and a second frame of deinterlaced video based on a first field of interlaced video and based on a second field of interlaced video, independent of any other fields of interlaced video. The frame construction engine constructs the first frame of deinterlaced video by assigning pixel values from the first field of interlaced video to corresponding pixel locations in the first frame. The frame construction engine constructs the second frame of deinterlaced video by assigning pixel values from the second field of interlaced video to corresponding pixel locations in the second frame. Missing pixel locations in each of the frames are selected from a corresponding field of spatially interpolated pixel values or from an opposite field of deinterlaced video.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: February 24, 2015
    Assignee: ATI Technologies ULC
    Inventor: Jeff X. Wei
  • Patent number: 8948248
    Abstract: A decoder decodes a first set of data and utilizes the first set of decoded data to reconstruct the signal according to a first level of quality. The decoder further decodes a second set of data and identifies an upsample operation specified by the second set of decoded data. The decoder applies the upsample operation identified in the second set of decoded data to the reconstructed signal at the first level of quality to reconstruct the signal at a second, higher level of quality. To enhance the reconstructed signal, the decoder retrieves residual data from the second set of decoded data. The residual data indicates how to modify the reconstructed signal at the second level of quality subsequent to application of the upsampling operation as discussed above. The decoder then modifies the reconstructed signal at the second level of quality as specified by the residual data.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: February 3, 2015
    Inventors: Luca Rossato, Guido Meardi
  • Patent number: 8942282
    Abstract: This disclosure describes techniques for coding video data. As one example, this disclosure describes a coded block pattern (CBP) for a coding unit (CU) of video data that indicates whether or not each of a luminance component (Y), a first chrominance component (U), and a second chrominance component (V) include at least one non-zero coefficient. According to another example, this disclosure describes a CBP that indicates whether respective blocks of a CU include at least on non-zero coefficient. The CBP described herein may be mapped to a single variable length code (VLC) code word. The VLC code word may be used by a coder to code the CU of video data.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: January 27, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: Marta Karczewicz, Wei-Jung Chien, Xianglin Wang
  • Patent number: 8937683
    Abstract: The present invention relates to systems and methods for inverse telecine or video de-interlacing for picture quality improvement on set-top-box and TV products. The system comprises a film mode detector at the picture or sequence level, a global mixed video and film content detector at the region, picture, or sequence level on top of the detected film content, and a local video content detector at pixel level on top of the detected mixed video and film content. Inverse telecine processing is applied on detected film content fading in with a locally de-interlaced local video content. The invention further provides an apparatus and method for globally detecting mixed video and film content at region, picture, or sequence level. Such apparatus and method comprise a plurality of detectors for robustness and increased detection accuracy.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: January 20, 2015
    Assignee: STMicroelectronics Asia Pacific Pte Ltd
    Inventors: Xiaoyun Deng, Lucas Hui
  • Patent number: 8928808
    Abstract: A method for seamless transition between interlaced and progressive video profiles may include receiving at a video feeder a stream of video signals for displaying on a display device. The stream of video signals may include segments of one of interlaced fields or progressive video frames. During an interlaced stream, the interlaced fields may be directed to a deinterlacer, and an output of the deinterlacer may be directed to the display device. The output of the deinterlacer may be determined based on previously received interlaced fields from the video feeder. During a transition to a progressive stream, the progressive video frames may be directed to a frame store, and the output of the deinterlacer may be directed to the display device. During a progressive stream, the progressive video frames may be directed to the frame store, and previously stored frames may be directed to the display device.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: January 6, 2015
    Assignee: Broadcom Corporation
    Inventors: Richard Hayden Wyman, Jaewon Shin
  • Patent number: 8922712
    Abstract: In an embodiment, there is provided a video processing component comprising a compensation engine configured to generate pixels of a first video frame from a second video frame based at least in part on specified pixel motion; and an access buffer configured to store pixel data corresponding to pixels of the second video frame for reference by the compensation engine, wherein the pixel data is stored by the access buffer at different vertical resolutions depending on vertical distances of the pixels corresponding to the pixel data from a target pixel that is indicated by the compensation engine.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: December 30, 2014
    Assignee: Marvell International Ltd.
    Inventor: Vipin Namboodiri
  • Patent number: 8913184
    Abstract: Systems and methods are provided for detecting sharpness among video fields. In certain implementations of the systems and methods, a plurality of video fields is received and a sharpness metric for each of the plurality of video fields is determined. The sharpness metric of a first video field is compared to the sharpness metric of a second video field among the plurality of video fields and a video field source of the first video field and the second video field is determined based on the comparison.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: December 16, 2014
    Assignee: Marvell International Ltd.
    Inventors: Shilpi Sahu, Panikumar Gururaj Kallamballe, Sujith Srinivasan
  • Patent number: 8913883
    Abstract: According to one embodiment, a controller of a multiformat video playback device creates control information including a conversion instruction intended for an input processor, size specification intended for a scaler, and format specification intended for an output processor, and supplies the created control information to the input processor. A first delay section delays the control information supplied to the input processor by one frame, and supplies the delayed control information to the scaler. A second delay section delays the control information supplied to the scaler by one frame, and supplies the resultant control information to the output processor.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: December 16, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Kenshi Dachiku
  • Patent number: 8913186
    Abstract: A device for use in conjunction with a video processing device includes an adaptive filter for processing input pictures into selectively filtered pictures, based on a filter motion data. A deinterlacer selectively interpolates the selectively filtered pictures into selectively deinterlaced pictures, based on deinterlace motion data. A motion detector generates the filter motion data and the deinterlace motion data, based on detecting motion in the input pictures.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: December 16, 2014
    Assignee: ViXS Systems, Inc.
    Inventor: Hui Zhou
  • Patent number: 8902304
    Abstract: An endoscope system includes an endoscope including an imaging part and a controller separated from the endoscope and connected to the endoscope through a signal line. The imaging part includes a plurality of light receiving portions two-dimensionally arranged and a driving part that reads a charge signal stored in each of the light receiving portions. The driving part conducts read scan in which read of the charge signals from the light receiving portions in a main and sub scanning direction. The driving part changes an order of outputting the lines in the image data by conducting the read scan on all lines included in the captured image so as to scan some lines successively with a prescribed number of lines interlaced along the sub scanning direction and scan the other lines successively from an interlaced line with the prescribed number of lines interlaced.
    Type: Grant
    Filed: May 21, 2011
    Date of Patent: December 2, 2014
    Assignee: Fujifilm Corporation
    Inventor: Hiroshi Murakami
  • Patent number: 8902358
    Abstract: A deinterlacing apparatus includes a buffer to receive a plurality of consecutive fields of an interlaced video and a field combination module coupled to the buffer to deinterlace the interlaced video in accordance with cadence of the interlaced video. The deinterlacing apparatus also includes a cadence detection module to detect the cadence by (1) causing each of the fields to be combined with its preceding field into a frame and with its subsequent field into another frame to obtain a plurality of combined frames, (2) determining a comb factor of each of the combined frames to obtain a sequence of comb factors of the combined frames, and (3) determining if the sequence of comb factors of the combined frames follows a pre-determined repeating pattern. A cadence detection method is also described.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: December 2, 2014
    Assignee: Altera Corporation
    Inventors: Jon Michael Harris, Vivek Gowri-Shankar, Boon Hong Oh
  • Publication number: 20140347558
    Abstract: A method for seamless transition between interlaced and progressive video profiles may include receiving at a video feeder a stream of video signals for displaying on a display device. The stream of video signals may include segments of one of interlaced fields or progressive video frames. During an interlaced stream, the interlaced fields may be directed to a deinterlacer, and an output of the deinterlacer may be directed to the display device. The output of the deinterlacer may be determined based on previously received interlaced fields from the video feeder. During a transition to a progressive stream, the progressive video frames may be directed to a frame store, and the output of the deinterlacer may be directed to the display device. During a progressive stream, the progressive video frames may be directed to the frame store, and previously stored frames may be directed to the display device.
    Type: Application
    Filed: June 7, 2013
    Publication date: November 27, 2014
    Inventors: Richard Hayden WYMAN, Jaewon SHIN
  • Publication number: 20140340578
    Abstract: This invention enables, for example, reduction of motion blur in a hold-type display device and reduce flicker in an impulse-type display device by a simple process. For this purpose, an LPF filters a frame of input image data (A[i]) to generate low-frequency image data (L). A subtractor and an adder generate high-frequency image data (SH). Another adder adds the low-frequency image data (L) from a delay circuit to subsequent low-frequency image data. A divider halves the sum to generate low-frequency averaged image data (SL). A switch alternately outputs the high-frequency image data (SH) and the low-frequency image data (SL) every time a frame of image data is input. As a result, the apparatus of this invention can generate output image data having a frame rate twice that of the input image data.
    Type: Application
    Filed: August 7, 2014
    Publication date: November 20, 2014
    Inventor: Kiwamu Kobayashi
  • Patent number: 8891011
    Abstract: A method of converting video data to film data may include deinterlacing video data from a first field and a third field to produce first field video data, providing second field video data, and merging the first field video data and the second field video data to produce first frame video data. The method may further include copying video data from a fourth field and a fifth field to produce second frame video data. An apparatus for converting video data to film data may include a first deinterlacer for deinterlacing video data from a first field and a third field to produce first field video data and a copy module for providing second field video data and merging the first field video data and the second field video data to produce first frame video data.
    Type: Grant
    Filed: August 23, 2007
    Date of Patent: November 18, 2014
    Assignee: QUALCOMM Incorporated
    Inventors: Tao Tian, Vijayalakshmi R. Raveendran, Fang Liu
  • Patent number: 8891017
    Abstract: A video input section acquires a video signal formed of a plurality of frames. A frame separator separates the video signal acquired by the video input section on a frame basis and distributes the separated video signals. A plurality of parallel processors perform video processing in parallel on the separated video signals corresponding to the frames separated and distributed by the frame separator. A frame combiner combines the separated video signals on which the plurality of parallel processors have performed the video processing.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 18, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Kazuyoshi Kegasawa