Stereoscopic Patents (Class 356/12)
  • Patent number: 10267623
    Abstract: A distance information processing apparatus includes: a distance calculator configured to calculate object distances, which are distances to an object in ae depth direction, for a plurality of pixel positions on the basis of a first image signal and a second image signal, so as to calculate a distance image signal constituted by a plurality of object distances; a first confidence calculator configured to calculate a first confidence representing certainty of an object distance value in the distance image signal; and a range calculator configured to calculate a distance range, which is a range of an object distance, on the basis of the distance image signal and the first confidence.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: April 23, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuya Nobayashi
  • Patent number: 10139388
    Abstract: The invention relates to a method to determine the wavelength dependent absorption coefficient of a turbid medium using overlapping illumination-detection areas comprising the steps of a) retrieving a calibration spectrum (CA) from a reference measurement using a reference sample; b) carrying out a measurement on an actual sample for determining the absolute reflection spectrum (Rabs) using a raw spectrum measured on the sample (Smedium) and the calibration spectrum (C?); C) using the absolute reflection spectrum (Rabs) for determining the wavelength dependent absorption coefficient by minimizing the difference between the measured absolute reflection spectrum (Rabs) and a model function (Rabsmodel).
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: November 27, 2018
    Assignee: QUASPEC B.V.
    Inventors: Henricus Josephus Cornelus Maria Sterenborg, Stephen Chad Kanick, Arjen Amelink, Dominic James Robinson
  • Patent number: 10037612
    Abstract: Technologies are generally described for phase measuring profilometry (PMP) using structured light patterns based on orthogonal frequency division multiplexing (OFDM). In some examples, a composite structured light pattern generated using OFDM may be used to illuminate a surface of interest. The surface may reflect a phase-distorted version of the structured light pattern, and the phase-distorted structured light pattern may be processed to recover image and/or height information about the surface. In some embodiments, fast Fourier transform schemes may be used to generate the composite structured light pattern and process the phase-distorted structured light pattern.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: July 31, 2018
    Assignee: EMPIRE TECHNOLOGY DEVELOPMENT LLC
    Inventors: Jin Sam Kwak, Geonjung Ko, Hyun Oh Oh, Ju Hyung Son
  • Patent number: 10031400
    Abstract: An image recording device having a projected viewfinder is described that projects individual, or multiple sets of synchronized framing beams onto a target image that are coaxially aligned with the field of view of the camera. The set of framing beams is projected onto the target image beyond the scope of the field of view being recorded by the image recording device but still within the field of vision of the operator of the device. In this way, the operator of the image recording device will be able to clearly see the framing beams identifying the limits of the recorded areas, while not having any portion of the field of view of the image recording device obscured by the framing beams themselves.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: July 24, 2018
    Inventors: Kevin J. Warrian, Adrian Gooi, Patrick Gooi
  • Patent number: 9973694
    Abstract: The disclosure includes a system and method for stitching images. The system includes a processor and a memory storing instructions that, when executed, cause the system to: receive a group of images captured at a particular time by a group of camera modules, the group of camera modules configured to form camera pairs with respective overlap fields of view; calibrate the group of images; generate pairs of disparity maps associated with the camera pairs, the generating including generating a corresponding pair of disparity maps for each camera pair from the camera pairs; apply morphed rendering to create morphed images from the group of images; and construct a left panoramic image and a right panoramic image from the morphed images.
    Type: Grant
    Filed: April 2, 2016
    Date of Patent: May 15, 2018
    Inventors: Arthur van Hoff, Thomas M. Annau, Daniel Kopeinigg
  • Patent number: 9667853
    Abstract: The present disclosure provides an image-capturing apparatus for determining an object distance with higher accuracy. An image-capturing apparatus includes an optical system that forms an object image of an object, the optical system including a focus lens, an image sensor that captures the object image formed via the optical system and generates image data, and a controller that determines an object distance according to information representing a state of the optical system based on (i) first image data generated when the focus lens is at a first focus lens position and (ii) second image data generated when the focus lens is at a second focus lens position.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: May 30, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Motonori Ogura, Mitsuyoshi Okamoto, Shigenori Yatsuri
  • Patent number: 9531938
    Abstract: An image-capturing apparatus includes a focus lens that forms an object image of the object, an image sensor that produces image data by capturing the object image, and a controller that controls the focus lens. The focus lens has a focal position. The controller is operable to detect a change of a distance from the image-capturing apparatus to the object during a first exposure period based on image data produced by capturing the object image with the image sensor during the first exposure period. The controller is operable to determine, based on the detected change in the distance, a control amount which controls a moving velocity at which the focal position moves during a second exposure period after the first exposure period. The controller is operable to move the focal position at a moving velocity corresponding to the determined control amount, and cause the image sensor to capture the object image during the second exposure period.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: December 27, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Motonori Ogura
  • Patent number: 9460363
    Abstract: A method for estimating a rotation axis and a mass center of a spatial target based on binocular optical flows.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: October 4, 2016
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Tianxu Zhang, Sufei Fan, Yimeng Chen, Yayun Zheng, Changsheng Chen, Zheng Wang, Huan Wu, Xudong He
  • Patent number: 8977038
    Abstract: A system that incorporates teachings of the exemplary embodiments may include, for example, means for generating a disparity map based on a depth map, means for determining accuracy of pixels in the depth map where the determining means identifies the pixels as either accurate or inaccurate based on a confidence map and the disparity map, and means for providing an adjusted depth map where the providing means adjusts inaccurate pixels of the depth map using a cost function associated with the inaccurate pixels. Other embodiments are disclosed.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: March 10, 2015
    Assignee: AT&T Intellectual Property I, LP
    Inventors: Chao Tian, Vinay Anant Vaishampayan, Yifu Zhang
  • Patent number: 8977006
    Abstract: A target recognition system operatively connected to a stereo imaging device to capture a stereo image of an area ahead of the target recognition system, includes a parallax calculator to calculate parallax of the stereo image including two captured images; a target candidate detector to detect a candidate set of recognition target areas based on a luminance image of one of the captured images; and a target recognition processor to limit the candidate set of recognition target areas detected by the target candidate detector within a range of threshold values of characteristics in the candidate set of recognition target areas set in advance based on the parallax calculated by the parallax calculator to extract and output the one or more recognition targets.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: March 10, 2015
    Assignee: Ricoh Company, Ltd.
    Inventor: Haike Guan
  • Patent number: 8965109
    Abstract: A method for enhancing a three-dimensional (3D) image comprising at least two depth layers wherein each depth layer comprising image objects. The method comprising the steps of determining a near field and a far field comprising at least one depth layer each, identifying the image objects in the near field and the far field respectively, applying a first correction curve to the image objects identified in the near field and applying a second correction curve to the image objects identified in the far field.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: February 24, 2015
    Assignees: Sony Corporation, Sony Mobile Communications AB
    Inventor: Jing Wang
  • Patent number: 8923603
    Abstract: A non-contact method and apparatus for inspecting an object. At least one first image of the object on which an optical pattern is projected, taken from a first perspective is obtained. At least one second image of the object on which an optical pattern is projected, taken from a second perspective that is different to the first perspective is obtained. At least one common object feature in each of the at least one first and second images is then determined on the basis of an irregularity in the optical pattern as imaged in the at least one first and second images.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: December 30, 2014
    Assignee: Renishaw PLC
    Inventors: Nicholas John Weston, Yvonne Ruth Huddart, Andrew John Moore
  • Patent number: 8879823
    Abstract: A method of combined exchange of image data and further data being related to the image data, the image data being represented by a first two-dimensional matrix of image data elements and the further data being represented by a second two-dimensional matrix of further data elements is disclosed. The method comprises combining the first two-dimensional matrix and the second two-dimensional matrix into a combined two-dimensional matrix of data elements.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: November 4, 2014
    Assignee: Koninklijke Philips N.V.
    Inventors: Pieter Wilhelmus Theodorus De Jong, Patric Theune, Mauritius Helenus Johannes Van Der Pot, Johannes Hubertina Petrus Wouters
  • Patent number: 8823888
    Abstract: Disclosed herein is a parallax barrier including a first substrate, a second substrate and a liquid crystal layer disposed between the first and the second substrates. A plurality of first strip electrodes and a plurality of second strip electrodes are arranged on the first substrate, whereas a plurality of third electrodes and a plurality of fourth electrodes are arranged on the second substrate. Each of the third electrodes has a step-shaped first portion and each of the fourth electrodes has a step-shaped second portion.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: September 2, 2014
    Assignee: Au Optronics Corporation
    Inventors: Meng-Chieh Tsai, Chih-Wen Chen, Chih-Hung Shih
  • Patent number: 8811717
    Abstract: The present invention relate to an image generating apparatus for generating an image from a viewpoint specified by a user. According to the invention, the apparatus has a storage unit that stores data of a plurality of images, and a disparity map generating unit that generates a disparity map. The disparity map is associated with a pair of images including a first image and a second image, and indicates corresponding pixels in the first and second images.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: August 19, 2014
    Assignee: KDDI Corporation
    Inventors: Mehrdad Panahpour Tehrani, Akio Ishikawa, Shigeyuki Sakazawa
  • Patent number: 8805055
    Abstract: A non-contact method and apparatus for inspecting an object. At least one first image of the object on which an optical pattern is projected, taken from a first perspective is obtained. At least one second image of the object on which an optical pattern is projected, taken from a second perspective that is different to the first perspective is obtained. At least one common object feature in each of the at least one first and second images is then determined on the basis of an irregularity in the optical pattern as imaged in the at least one first and second images.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: August 12, 2014
    Assignee: Renishaw PLC
    Inventors: Nicholas John Weston, Yvonne Ruth Huddart, Andrew John Moore
  • Patent number: 8792709
    Abstract: Systems and methods for transprojection of geometry data acquired by a coordinate measuring machine (CMM). The CMM acquires geometry data corresponding to 3D coordinate measurements collected by a measuring probe that are transformed into scaled 2D data that is transprojected upon various digital object image views captured by a camera. The transprojection process can utilize stored image and coordinate information or perform live transprojection viewing capabilities in both still image and video modes.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: July 29, 2014
    Assignee: Hexagon Metrology, Inc.
    Inventors: Sandeep Pulla, Homer Eaton
  • Patent number: 8774495
    Abstract: When a plurality of images are to be overlapped and synthesized, coincidence degrees between the plurality of images in an area near the boundary of a common area are calculated, and the plurality of images are overlapped and synthesized so that an area near the boundary having a high coincidence degree appears on the overlapped image. Thereby, it is possible to avoid the duplexing of the subject in the common area and unnatural ruptures on the boundary made by the overlapping while reducing the number of processes for the synthesizing.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: July 8, 2014
    Assignee: Fujitsu Limited
    Inventors: Kimitaka Murashita, Masayoshi Shimizu, Kaoru Chujo, Yasuhiro Kawakatsu
  • Patent number: 8737721
    Abstract: A system and a method that facilitates generating a model from a 3-dimensional (3D) object assembled from 2-dimensional (2D) content are described. A content aggregator can construct a 3D object from a collection of two or more 2D images each depicting a real entity in a physical real world, wherein the 3D object is constructed by combining the two or more 2D images based upon a respective image perspective. A 3D virtual environment can allow exploration of the 3D object. A model component can extrapolate a true 3D geometric model from the 3D object, wherein the true 3D geometric model is generated to include scaling in proportion to a size within the physical real world.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: May 27, 2014
    Assignee: Microsoft Corporation
    Inventors: Blaise Aguera y Arcas, Brett D. Brewer, Steven Drucker, Karim Farouki, Gary W. Flake, Stephen L. Lawler, Donald James Lindsay, Adam Sheppard
  • Patent number: 8724885
    Abstract: A system is disclosed. An input interface is configured to receive pixel data from two or more images. A pixel handling processor disposed on the substrate is configured to convert the pixel data into depth and intensity pixel data. In some embodiments, a foreground detector processor disposed on the substrate is configured to classify pixels as background or not background. In some embodiments, a projection generator disposed on the substrate is configured to generate a projection in space of the depth and intensity pixel data.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: May 13, 2014
    Assignee: Intel Corporation
    Inventors: John Iselin Woodfill, Ronald John Buck, Gaile Gibson Gordon, David Walter Jurasek, Terrence Lee Brown
  • Patent number: 8718356
    Abstract: A method and apparatus for converting a two dimensional image or video to three dimensional image or video. The method includes segmenting objects in at least one of a two dimensional image and video, performing, in the digital processor, a depth map generation based on low-level features, performing face detection and scene classification on at least one of a two dimensional image and video, and utilizing face detection and scene classification in enhancing the depth map and for converting the at least one of a two dimensional image and video to three dimensional image and video.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: May 6, 2014
    Assignee: Texas Instruments Incorporated
    Inventors: Vikram Appia, Rajesh Narasimha, Aziz Umit Batur
  • Patent number: 8687132
    Abstract: A method of manufacturing a display device according to one aspect of the present invention is a method of manufacturing a display device including a liquid crystal interposed between a CF substrate and a TFT substrate that are opposed to each other, the method including the steps of: bonding the CF substrate and the TFT substrate each having a mother substrate shape to form a cell substrate from which at least one panel is to be cut out; forming, after formation of the cell substrate, a parallax barrier layer for separating a display image on an outer side of the cell substrate at a side of one of the CF substrate and the TFT substrate; and dividing, after formation of the parallax barrier layer, the cell substrate into at least one panel.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: April 1, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventor: Akio Nakayama
  • Patent number: 8681174
    Abstract: Provided are a high density multi-view image display system and method based on active sub-pixel rendering. The image display system may perform a rendering with respect to a viewpoint image in a pixel unit, using a viewpoint varying based on a position of left/right eyes of a user.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: March 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Kyung Nam, Du-Sik Park, Gee Young Sung, Chang Yeong Kim, Yun-Tae Kim, Ju Yong Park
  • Patent number: 8682060
    Abstract: According to one embodiment, an image processing method includes calculating an activity value for a first block, the activity value indicating a higher degree of activity as pixel values vary in a greater degree in the first block, and calculating a first evaluation value that indicates higher evaluation as a difference between a pixel value of the first block and a pixel value of a second block is smaller. The method further includes calculating a second evaluation value that indicates higher evaluation as correlation between a relative spatial relationship of the pixel value of the first block and that of the pixel value of the second block is higher, and calculating a third evaluation value by weighting the first evaluation value and the second evaluation value to search for the second block that corresponds to the first block, a weight of the first evaluation value is larger as the activity value is larger.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: March 25, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nao Mishima, Takeshi Mita
  • Patent number: 8605987
    Abstract: The present invention relates to an object-based 3-dimensional stereo information generation apparatus and method, and an interactive system using the same. The method comprises: obtaining at least two 2-dimensional images with respect to the same space at a first time point; extracting objects from the at least two 2-dimensional images, respectively; establishing correspondences between objects; and generating 3-dimensional stereo information according to corresponding objects. The apparatus and interactive system comprises: at least two image capturing units for respectively capturing 2-dimensional images; and processing means for generating 3-dimensional stereo information according to the captured 2-dimensional images.
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: December 10, 2013
    Assignee: Pixart Imaging Incorporation
    Inventors: Tzu-Yi Chao, Hsin-Chia Chen, Chuan-Hsin Lee
  • Patent number: 8571303
    Abstract: A stereo matching processing system includes an associating unit that associates with each other such regions, in a plurality of images obtained by shooting a same object from different directions, that are on a same scanning line and have a largest correlation coefficient between them, as items that represent a same position, and a line segment determining unit that determines whether or not line segments that are associated with each other as items that teach a same position are drawn in the plurality of images respectively. When said line segment determining unit determines that the line segments are drawn, said associating unit associates with each other, not such regions that are on the same scanning line and have a largest correlation coefficient between them, but intersections at which the scanning line and the line segments each cross, as items that represent a same position.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: October 29, 2013
    Assignee: NEC System Technologies, Ltd.
    Inventors: Hirokazu Koizumi, Toshiyuki Kamiya, Hiroyuki Yagyuu
  • Patent number: 8565517
    Abstract: A method and an apparatus for creating a stereo image adaptively according to the characteristic of an input image and a method and an apparatus for reproducing the created stereo image are provided. The method for creating a stereo image includes selecting one of a left view image and a right view image that constitute the stereo image and measuring the directivity of high frequency components of the selected image, and synthesizing the left view image and the right view image into a stereo image in a format depending on the measured directivity.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: October 22, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Tae-hyeun Ha
  • Patent number: 8559702
    Abstract: The present invention provides a model forming apparatus that can simply and efficiently form a three-dimensional model of an object using previously obtained three-dimensional model data of the object as a starting point. The apparatus comprises a photographing section 110 for photographing an object 10, an image data storage section 130 for storing three-dimensional model data of the object, a display section 140 for displaying a three-dimensional model based on the three-dimensional model data of the object 10, a recognition section 150 for recognizing an unmodeled part of the object 10 based on the three-dimensional model data stored in the image data storage section 130, and a photographing instruction information section 160 for obtaining photographing instruction information related to photographing the unmodeled part. The photographing section 110 photographs the object 10 in accordance with the photographing instruction information obtained by the photographing instruction information section 160.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: October 15, 2013
    Assignee: Topcon Corporation
    Inventors: Nobuo Kochi, Hiroyuki Aoki, Hitoshi Otani, Mitsuharu Yamada, Tadayuki Ito
  • Patent number: 8538137
    Abstract: A technique is provided which can improve the precision of a matching point search with a plurality of images taking the same object where distant and near views coexist. A plurality of first images obtained by time-sequentially imaging an object from a first viewpoint, and a plurality of second images obtained by time-sequentially imaging the object from a second viewpoint, are obtained. Reference regions including a reference point are set respectively in the first images with the same arrangement, and comparison regions corresponding to the form of the reference regions are set respectively in the second images with the same arrangement. One reference distribution of pixel values about two-or-more-dimensional space is generated from the distributions of pixel values about the plurality of reference regions, and one comparison distribution of pixel values about two-or-more-dimensional space is generated from the distributions of pixel values about the plurality of comparison regions.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: September 17, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Hironori Sumitomo, Yoshihisa Abe
  • Patent number: 8514411
    Abstract: Methods of optimizing the diameters of nanowire photodiode light sensors. The method includes comparing the response of nanowire photodiode pixels having predetermined diameters with standard spectral response curves and determining the difference between the spectral response of the photodiode pixels and the standard spectral response curves. Also included are nanowire photodiode light sensors with optimized nanowire diameters and methods of scene reconstruction.
    Type: Grant
    Filed: September 17, 2012
    Date of Patent: August 20, 2013
    Assignee: Zena Technologies, Inc.
    Inventor: Munib Wober
  • Patent number: 8472700
    Abstract: A method for creating a 3D face model by using multi-view image information, includes: creating a mesh structure for expressing an appearance of a 3D face model by using a first multi-view image obtained by capturing an expressionless face of a performer; and locating joints of a hierarchical structure in the mesh structure, by using a second multi-view image obtained by capturing an expression performance of the performer. Further, the method includes creating a 3D face model that is animated to enable reproduction of a natural expression of the performer, by setting dependency between the joints and the mesh structure.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: June 25, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Ho Won Kim, Bon Ki Koo, Chang Woo Chu, Seong Jae Lim, Jeung Chul Park, Ji Young Park
  • Patent number: 8452052
    Abstract: A k-covered motion capture volume is modeled. The modeling includes representing the k-covered motion capture volume with a distance field.
    Type: Grant
    Filed: January 21, 2008
    Date of Patent: May 28, 2013
    Assignee: The Boeing Company
    Inventor: Charles A. Erignac
  • Patent number: 8428342
    Abstract: A system that incorporates teachings of the exemplary embodiments may include, for example, means for generating a disparity map based on a depth map, means for determining accuracy of pixels in the depth map where the determining means identifies the pixels as either accurate or inaccurate based on a confidence map and the disparity map, and means for providing an adjusted depth map where the providing means adjusts inaccurate pixels of the depth map using a cost function associated with the inaccurate pixels. Other embodiments are disclosed.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: April 23, 2013
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Chao Tian, Vinay Anant Vaishampayan, Yifu Zhang
  • Patent number: 8421934
    Abstract: The invention relates to a method for orienting an optical element (e. g. a parallax barrier screen or lenticular screen) on a screen comprising pixels x(i, j) in a raster composed of lines (i) and columns (j) in order to produce a screen for three-dimensional representation. In said method, especially a test pattern is presented which consists of various views A(k), wherein k=1, . . . , n, and n>1. The test pattern comprises at least two first straight lines that are located in different horizontal positions in the n>1 views A(k) as well as at least two second straight lines which each extend parallel to one of the first straight lines and are located in at least the same horizontal positions in the n>1 views A(k). The method according to the invention can be carried out quickly and with high accuracy and is therefore suitable for industrial use to produce screens for three-dimensional representation.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: April 16, 2013
    Assignee: VisuMotion GmbH
    Inventors: Stephan Otte, Jens Meichsner
  • Patent number: 8417022
    Abstract: A stereo-image processing apparatus includes a stereo-image taking means configured to take a plurality of images from different viewpoints, a parallax detecting means configured to detect a parallax of a subject on the basis of the images taken by the stereo-image taking means, an object detecting means configured to detect objects on the basis of the parallax detected by the parallax detecting means and a parallax offset value, and a parallax-offset-value correcting means configured to correct the parallax offset value on the basis of a change in a parallax corresponding to an object whose size in real space does not change with time, of the objects detected by the object detecting means, and a change in an apparent size of the object.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: April 9, 2013
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventor: Noboru Morimitsu
  • Patent number: 8401276
    Abstract: Generating three-dimensional information can include accessing multiple different images of an object taken by one or more cameras; selecting one of the accessed images as a reference image; identifying corresponding features between the reference image and one or more different ones of the accessed images; determining first camera pose information for each accessed image based on one or more of the corresponding features, each first camera pose information indicative of a relationship between an imaging device and the object; determining a first three-dimensional structure of the object based on first camera pose information of two of the accessed images; and generating a second three-dimensional structure and a second camera pose information for each accessed image based on the first three-dimensional structure and the first camera pose information for each accessed image.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: March 19, 2013
    Assignee: University of Southern California
    Inventors: Tae Eun Choe, Gerard Medioni
  • Patent number: 8385630
    Abstract: The present invention is a system and a method for processing stereo images utilizing a real time, robust, and accurate stereo matching system and method based on a coarse-to-fine architecture. At each image pyramid level, non-centered windows for matching and adaptive upsampling of coarse-level disparities are performed to generate estimated disparity maps using the ACTF approach. In order to minimize propagation of disparity errors from coarser to finer levels, the present invention performs an iterative optimization, at each level, that minimizes a cost function to generate smooth disparity maps with crisp occlusion boundaries.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: February 26, 2013
    Assignee: SRI International
    Inventors: Mikhail Sizintsev, Sujit Kuthirummal, Rakesh Kumar, Supun Samarasekera, Harpreet Singh Sawhney
  • Patent number: 8379968
    Abstract: Arrangements are disclosed herein that can capture image data reflecting real world objects and/or interactions and convert this data into a format that is usable in a virtual universe (VU). In one embodiment, a method can include receiving sets of image data that capture an object or a setting from different viewing angles. The image can be in multiple data sets where the sets have at least one common feature. The image data can be analyzed using the common features in the image data and a spatial map can be created. The spatial map can be modified (if required) such that a VU engine can use the modified data to provide a VU that has a representation of the real world object and/or interaction. This allows a participant to customize objects and/or activities in the VU, and provide a unique “persona” for their avatar and their VU.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: February 19, 2013
    Assignee: International Business Machines Corporation
    Inventors: Lydia M. Do, Pamela A. Nesbitt, Lisa A. Seacat
  • Patent number: 8363925
    Abstract: A method and an apparatus for creating a stereo image adaptively according to the characteristic of an input image and a method and an apparatus for reproducing the created stereo image are provided. The method for creating a stereo image includes selecting one of a left view image and a right view image that constitute the stereo image and measuring the directivity of high frequency components of the selected image, and synthesizing the left view image and the right view image into a stereo image in a format depending on the measured directivity.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: January 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Tae-hyeun Ha
  • Patent number: 8295585
    Abstract: A method for determining the position of an object (1) in space is described, in which measurement characteristics (4) of the object (1) are recorded with an optical recording device (3) calibrated to a space coordinate system (5), and on the basis of these measurement characteristics (4), the position of the object (1) in the space coordinate system (5) is determined in an image processing device. To enable reliable ascertainment of the position even with only a few recording devices, it is provided that at least two measurement characteristics (4) of the object (1) are detected simultaneously in a recording device (3) and used to determine the position of the object (1).
    Type: Grant
    Filed: February 1, 2005
    Date of Patent: October 23, 2012
    Assignee: ISRA Vision Systems AG
    Inventors: Stephan Wienand, Georg Lambert
  • Patent number: 8229208
    Abstract: Systems and methods for transprojection of geometry data acquired by a coordinate measuring machine (CMM). The CMM acquires geometry data corresponding to 3D coordinate measurements collected by a measuring probe that are transformed into scaled 2D data that is transprojected upon various digital object image views captured by a camera. The transprojection process can utilize stored image and coordinate information or perform live transprojection viewing capabilities in both still image and video modes.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: July 24, 2012
    Assignee: Hexagon Metrology, Inc.
    Inventors: Sandeep Pulla, Homer Eaton
  • Patent number: 8218858
    Abstract: Processing images includes projecting an infra-red pattern onto a three-dimensional object and producing a first image, a second image, and a third image of the three-dimensional object while the pattern is projected on the three-dimensional object. The first image and the second image include the three-dimensional object and the pattern. The first image and the second image are produced by capturing at a first camera and a second camera, respectively, light filtered through an infra-red filter. The third image includes the three-dimensional object but not the pattern. Processing the images also includes establishing a first-pair correspondence between a portion of pixels in the first image and a portion of pixels in the second image. Processing the images further includes constructing, based on the first-pair correspondence and the third image, a two-dimensional image that depicts a three-dimensional construction of the three-dimensional object.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: July 10, 2012
    Assignee: QUALCOMM Incorporated
    Inventor: Jin Gu
  • Patent number: 8208715
    Abstract: A method and system for target detecting, editing and rebuilding by 3D image is provided, which comprises an inputting and picking unit, a training and detecting unit, a displaying and editing unit and a rebuilding unit. The inputting and picking unit receives a digital image and a LiDAR data and picks up a first parameter to form a 3D image. The training and detecting unit selects a target, picks up a second parameter therefrom, calculates the second parameter to generate a threshold and detects the target areas in the 3D image according to the threshold. The displaying and editing unit sets a quick selecting tool according to the threshold and edits the detecting result. The rebuilding unit sets a buffer area surrounding the target, picks up a third parameter therefrom and calculates the original shape of the target by the Surface Fitting method according to the third parameter.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: June 26, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Chi-Chung Lau, Jin-King Liu, Kuo-Hsin Hsiao, Ta-Ko Chen, Jiann-Yeou Rau, Yi-Chen Shao, Liang-Chien Chen
  • Patent number: 8150142
    Abstract: Apparatus for mapping an object includes an illumination assembly, which includes a single transparency containing a fixed pattern of spots. A light source transilluminates the single transparency with optical radiation so as to project the pattern onto the object. An image capture assembly captures an image of the pattern that is projected onto the object using the single transparency. A processor processes the image captured by the image capture assembly so as to reconstruct a three-dimensional (3D) map of the object.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: April 3, 2012
    Assignee: Prime Sense Ltd.
    Inventors: Barak Freedman, Alexander Shpunt, Meir Machline, Yoel Arieli
  • Patent number: 8131062
    Abstract: An image processing technique comprises the steps of: (a) stretching an original image in the Y-direction (vertical) by a factor falling within the range of 2-10%; selecting a fixation point and disordering operation around the fixation point; and rotating the image through an angle falling within the range of 3-9°, preferably clockwise; (b) stretching a copy of the original image in the X-direction (horizontal by a factor falling within the range of 2-10%; and selecting an area of the image around the selected fixation point; and (c) merging the selected area of the image formed in step (b) with the image formed in step (a).
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: March 6, 2012
    Assignee: Atelier Vision Limited
    Inventor: John Jupe
  • Patent number: 8059217
    Abstract: A scanning backlight for a stereoscopic 3D liquid crystal display apparatus includes a light guide formed from a plurality of segments. Each segment has a first side and a second side opposite the first side, and a first surface extending between the first and second sides and a second surface opposite the first surface. The first surface substantially re-directs light and the second surface substantially transmits light. The plurality of segments are arranged substantially in parallel and with the second surfaces transmitting light in substantially the same direction to provide backlighting for a stereoscopic 3D liquid crystal display. A first light source is disposed along the first side of each segment for transmitting light into the light guide from the first side, and a second light source is disposed along the second side of each segment for transmitting light into the light guide from the second side.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: November 15, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Robert L. Brott, William J. Bryan, David J. Lundin, Michael A. Meis, John C. Schultz
  • Patent number: 8022718
    Abstract: A method of inspecting an electrostatic chuck (ESC) is provided. The ESC has a dielectric support surface for a semiconductor wafer. The dielectric support surface is scanned with a Kelvin probe to obtain a surface potential map. The surface potential map is compared with a reference Kelvin probe surface potential map to determine if the ESC passes inspection.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: September 20, 2011
    Assignee: Lam Research Corporation
    Inventors: Armen Avoyan, Hong Shih, John Daugherty
  • Patent number: 7986825
    Abstract: The present invention provides a model forming apparatus that can simply and efficiently form a three-dimensional model of an object using previously obtained three-dimensional model data of the object as a starting point. The apparatus comprises a photographing section 110 for photographing an object 10, an image data storage section 130 for storing three-dimensional model data of the object, a display section 140 for displaying a three-dimensional model based on the three-dimensional model data of the object 10, a recognition section 150 for recognizing an unmodeled part of the object 10 based on the three-dimensional model data stored in the image data storage section 130, and a photographing instruction information section 160 for obtaining photographing instruction information related to photographing the unmodeled part. The photographing section 110 photographs the object 10 in accordance with the photographing instruction information obtained by the photographing instruction information section 160.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: July 26, 2011
    Assignee: Topcon Corporation
    Inventors: Nobuo Kochi, Hiroyuki Aoki, Hitoshi Otani, Mitsuharu Yamada, Tadayuki Ito
  • Patent number: 7973787
    Abstract: A method of point picking on a fused volume rendered view of multiple registered volumes having the following steps: selecting a rendered pixel, finding the projection ray through the rendered pixel, finding the intersection segment of the projection ray with the fused volume, traversing the intersection segment according to a traversing intersection point, calculating the intermediate fused volume rendered value at each traversing intersection point, evaluating a stop condition at each traversing intersection point leading to a final fused volume rendered value, outputting the coordinates of the traversing intersection point where the stop condition was reached as the picked point.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: July 5, 2011
    Assignee: Agfa HealthCare NV
    Inventor: Jan Vlietinck
  • Patent number: 7956862
    Abstract: Camera motion is determined in a three-dimensional image capture system using a combination of two-dimensional image data and three-dimensional point cloud data available from a stereoscopic, multi-aperture, or similar camera system. More specifically, a rigid transformation of point cloud data between two three-dimensional point clouds may be more efficiently parameterized using point correspondence established between two-dimensional pixels in source images for the three-dimensional point clouds.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: June 7, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Tong Zhang, Janos Rohaly, Steven V. Weeks