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| Number | Title | Issue Date |
| 8054881 | Video stabilization in real-time using computationally efficient corner detection and correspondence Real-time image stabilization using computationally efficient corner detection and correspondence is provided. The real-time image stabilization performs a scene learning process on a first frame of an input video to obtain reference features and a detection thresho... | 11/08/2011 |
| 7944970 | Apparatus and method for displaying 3-dimensional graphics An apparatus and method for displaying topography around a position of a mobile object such as a vehicle in 3-dimensional graphics. The method includes predicting a candidate region for the mobile object's position at a display time after a predetermined period of t... | 05/17/2011 |
| 7263660 | System and method for producing a video skim A video skim is assembled by identifying one or more key frames from a video shot. Certain lengths of frames to the left and right of the key frame are measured for visual content variety. Depending upon the measured visual content variety to the left and right of t... | 08/28/2007 |
| 7254275 | Method and system for image compression using image symmetry An image compression system and method is described, which makes use of the symmetry found in faces and heads to perform the compression. The image is divided along the line of symmetry, and pairs of corresponding pixels on the two divided sides are determined. A we... | 08/07/2007 |
| 7233413 | Gamut description and visualization This invention pertains to a computer-implemented method and program for the comparison of color gamuts. Using first and second collections of sample color points respective hulls are created in a color space. The set of all of the points disposed on the surf... | 06/19/2007 |
| 7227515 | System and method for forming images for display in a vehicle A system is disclosed that includes a lens system that directs energy from a scene toward a detector and display unit coupled to the detector. The display unit forms an image using information received from the detector. The detector includes an array of detector el... | 06/05/2007 |
| 7098957 | Method and apparatus for detecting repetitive motion in an interlaced video sequence apparatus for processing interlaced video signals Interlaced video signals are processed by mixing spatially interpolated video signals with temporally interpolated video signals. The respectively interpolated signals are mixed in dependence on a degree of motion at the given location in the video picture, as defin... | 08/29/2006 |
| 7061980 | Method of describing object region data, apparatus for generating object region data, video processing method, and video processing apparatus An object-region-data describing method for describing object region data relating to a time-series variation of an object region in video data including a plurality of frames, the method comprising obtaining a conversion parameter representing conversion from a ref... | 06/13/2006 |
| 7046728 | Method of video coding the movement of a human face from a sequence of images Briefly, in accordance with one embodiment, a technique for coding the movement of a head or face from a sequence of images is disclosed. A variety of potential alternative embodiments are discussed. ... | 05/16/2006 |
| 7039107 | Method and array for processing a digitized image with image points In a method and arrangement for processing a digitized picture with pixels, pixels of the picture are grouped into picture blocks. The picture is segmented into at least a first picture object and a second picture object, at least one picture block being assigned at... | 05/02/2006 |
| 7012958 | Partition coding method and device The invention relates to a method of coding segmented pictures, or partitions, divided into homogeneous regions. Said method, called intra-mode coding process, comprises, for each successive partition, the steps of translating the picture of the labels associated to... | 03/14/2006 |
| 6996171 | Data describing method and data processor As a unit element for defining a describing procedure for description of a feature data characteristic of the content of a video data, a descriptor is formed in a description format structured to have its attribute as lower-level element and which may include other ... | 02/07/2006 |
| 6985526 | SNR scalable video encoding method and corresponding decoding method The invention relates to scalable video encoders, and, more precisely, to an encoder comprising a base layer and at least an enhancement layer circuit, said circuits being capable of generating enhancement layer video data associated with compressed base layer video... | 01/10/2006 |
| 6980599 | Video decoding system and method having post-processing to reduce sharpness prediction drift A video processing system comprising: a decoder having a complexity reduction system; and a post-processing system for processing an output of the decoder, wherein the post-processing system includes a filter for intentionally blurring a set of frames in a group of ... | 12/27/2005 |
| 6973126 | Video coding apparatus according to a feature of a video picture A variance between sequential video pictures is extracted, and then, a GOP boundary position is decided based on inter-frame variance information. Furthermore, simple motion estimation is carried out with respect to video pictures inside one GOP. If a motion variati... | 12/06/2005 |
| 6970579 | Orientation invariant feature detection system and method for unstructured low-quality video A system and method for detecting features in video from business meetings and video teleconferencing systems can use color, motion, morphological (shape) filtering and a set of heuristic rules to determine possible features in the scene. One embodiment includes obt... | 11/29/2005 |
| 6965645 | Content-based characterization of video frame sequences A system and process for video characterization that facilitates video classification and retrieval, as well as motion detection, applications. This involves characterizing a video sequence with a gray scale image having pixel levels that reflect the intensity of mo... | 11/15/2005 |
| 6963605 | Method for estimating the motion between two digital images with management of mesh overturning and corresponding coding method The invention relates to a method for estimating the motion between two digital images and to the use of this method for coding images. The aim of the method is to eliminate the disturbances caused by the mesh being overturned during the motion estimation process. A... | 11/08/2005 |
| 6961380 | Inter-frame predicted image synthesizing method A method and apparatus for simplifying an operation for the processing of a warping prediction of dividing an image into patches and deforming each patch by affine transform or bilinear transform. Motion vectors of a plurality of representative points in which a spa... | 11/01/2005 |
| 6959040 | Method and apparatus for coding and decoding image data with synchronized sound data An image processing system including an image coding apparatus and an image decoding apparatus. The image coding apparatus includes an image input unit for acquiring key frames, a matching processor for generating correspondence information between the key frames, a... | 10/25/2005 |
| 6959046 | Resynchronization method for decoding video The present invention relates to a method of resynchronization that attempts to enable a resynchronization of a compressed video data signal received by a decoder, after a transmission error has been detected in said compressed video data signal. The method o... | 10/25/2005 |
| 6950462 | Video encoding apparatus, video encoding method, and frame rate conversion apparatus When an input picture is inputted to a video interface and stored in a reordering memory, the input time is recorded utilizing a reference time generator and a frame sync signal, and a frame memory to be encoded by an encoding unit is designated using the time infor... | 09/27/2005 |
| 6934333 | Process and device for coding images according to the MPEG standard for the insetting of imagettes The process utilizing the inter mode with motion estimation with respect to a reference image and the intra mode, wherein: an exclusion zone which includes the macroblocks which lie even partially in the location of the imagette is defined in the image, the motion e... | 08/23/2005 |
| 6934334 | Method of transcoding encoded video data and apparatus which transcodes encoded video data A video transcoding method comprises decoding a first bit stream encoded by a first video encoding format to obtain decoded video data and side information, converting the decoded video data and side information into a form suitable for a second video encoding forma... | 08/23/2005 |
| 6931061 | Method of real time MPEG-4 texture decoding for a multiprocessor environment An apparatus and method is described for performing texture-decoding within a video decoder processing a series of macroblocks within a video bit-stream. The inventive texture decoding is particularly well suited for implementation within decoders incorporating mult... | 08/16/2005 |
| 6917649 | Method of encoding video signals The present invention relates to a method of encoding, which receives an input video signal (IS) for providing a compressed video data signal (CS). Said method comprises the steps of segmentation (SEG) of the input video signal for extracting the video object planes... | 07/12/2005 |
| 6912253 | Method and apparatus for transcoding coded video image data A transcoding apparatus converts first coded data obtained from a plurality of frames forming a video image by means of a coding algorithms including an interframe prediction coding algorithm with motion compensation into second coded data having a different structu... | 06/28/2005 |
| 6909748 | Method and system for image compression using block size heuristics The present invention includes a method and system for image compression using block size heuristics. A method for motion searching a video frame is disclosed including iteratively decreasing block size until a rate-distortion (RD) has been minimized. A method for c... | 06/21/2005 |
| 6907073 | Tweening-based codec for scaleable encoders and decoders with varying motion computation capability A scaleable video encoder has one or more encoding modes in which at least some, and possibly all, of the motion information used during motion-based predictive encoding of a video stream is excluded from the resulting encoded video bitstream, where a corresponding ... | 06/14/2005 |
| 6862320 | Image decoder, image encoder, image communication system, and encoded bit stream converter An image decoding apparatus is capable of decoding coded bit streams with different coding schemes. The image decoding apparatus includes a coding scheme decision section for deciding a coding scheme from coding scheme identification information multiplexed into a c... | 03/01/2005 |
| 6850565 | Real time bit rate control system A source model in combination with an interest structure is provided to generate a quantization value for use in encoding a video signal. The interest structure is generated from a region of interest manually identified by a user viewing the video on an interactive ... | 02/01/2005 |
| 6826229 | Device and method for coding video information A video encoder includes a signal processing unit for producing block information such as quantization scale and quantized DCT coefficients and a coding unit for variable-length coding the quantized block information. The amount of generated coded data per unit time... | 11/30/2004 |
| 6772392 | Image failure detection unit in redundant duplex transmission There is provided an image failure detection unit in redundant duplex transmission in which a failure occurring on a regular link is detected at in real time, and the link is instantaneously switched to a normal backup link, thereby preventing any failure from occur... | 08/03/2004 |
| 6650705 | Method for encoding and transcoding multiple video objects with variable temporal resolution A video is first partitioned into video objects. If the video is uncompressed, then the partitioning is done with segmentation planes. In the case where the video is compressed, a demultiplexer is used for the partitioning. Over time, shape features are e... | 11/18/2003 |
| 6625213 | Video encoding method based on the matching pursuit algorithm The invention relates to the field of video encoders and, more particularly, to an encoding method based on an adaptation of the matching pursuit method to an error texture coding process inside triangular meshes. Said process is restricted, at each itera... | 09/23/2003 |
| 6611562 | Image processing device and image processing method, and computer-readable recorded medium An information processing apparatus may be for use in dividing an image area to extract objects. Frequency related information generating sections (112, 113) may generate frequency related information related to frequencies of respective pixel values base... | 08/26/2003 |
| 6483874 | Efficient motion estimation for an arbitrarily-shaped object An efficient motion estimation technique for an arbitrarily-shaped video object reduces the number of searches for motion estimation for shape coding and texture coding. The technique can be easily employed in an MPEG-4 encoder for coding Video Object Pla... | 11/19/2002 |
| 6421384 | System and method for contour-based motion estimation A method and system for contour-based motion estimation for use with video images. The invention establishes corresponding contours (404, 414) in two images (402, 412) in a sequence of images, determines a motion vector which includes how the first contou... | 07/16/2002 |
| 6400846 | Method for ordering image spaces to search for object surfaces A method determines a surface of an object in a sequence of images. The method begins by estimating a boundary of the object in each image of the sequence using motion information of adjacent images of the sequence. Then, portions of each image of the seq... | 06/04/2002 |
| 6396957 | Method and apparatus for generating a bounding rectangle of a VOP for interlaced scan type video signals A method and apparatus for generating a bounding rectangle of a VOP for interlaced scan type video signals, which are capable of accurately generating a bounding rectangle, thereby preventing a color bleeding from occurring in the field-based chrominance ... | 05/28/2002 |
