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| Number | Title | Issue Date |
| RE42977 | Method for segmenting a video image into elementary objects A starting contour is defined surrounding around an elementary object delimited by a natural contour in a video image. On the basis of the starting contour, an original active contour is defined, formed by a set of nodes distributed on this starting contour, each no... | 11/29/2011 |
| 8064521 | Motion image coding apparatus, and control method and program of the apparatus A motion detector detects the motion of an imaging device. On the basis of the detected motion information, a selector selects, from a plurality of frame memories for storing a plurality of frame data, a frame memory for storing reference frame data to be referred t... | 11/22/2011 |
| 8064523 | Motion vector search apparatus A motion vector search apparatus has two internal memories for storing one macroblock of current image data each and N internal memories for storing M macroblocks of reference image data each, where M and N are integers greater than one. Selectors feed data from one... | 11/22/2011 |
| 8064522 | Motion-vector detecting device, motion-vector detecting method, and computer program A device and method that serve to generate an accurate evaluation-value table and to detect a correct motion vector are provided. A weight coefficient W is calculated on the basis of correlation information of a representative-point pixel and flag-correlation inform... | 11/22/2011 |
| 8059720 | Image down-sampling transcoding method and device In an image down-sampling transcoding method, by reducing an MPEG SP (simple profile) video bit stream having a CIF (Common Intermediate Format) size into a half in image size in a pixel domain, the video bit stream is converted into a H.264 BP (Baseline Profile) vi... | 11/15/2011 |
| 8059719 | Adaptive area of influence filter A method of generating an adaptive temporal filter is performed by constructing a motion vector area cell around each of a plurality of motion vectors in a target image, selecting a pixel in the target image, constructing a pixel area cell around the selected pixel,... | 11/15/2011 |
| 8054883 | Method for transcoding compressed video signals, related apparatus and computer program product therefor Transcoder apparatus for transcoding an input video bit-stream having a first encoding profile (e.g., MPEG-2) into an output video bit-stream having a second encoding profile (e.g., H.264), the first encoding profile including motion estimation information, the appa... | 11/08/2011 |
| 8054884 | Image coding apparatus, image coding method, image decoding apparatus, image decoding method and communication apparatus Each of an image coding apparatus and an image decoding apparatus uses a motion compensated prediction using virtual samples so as to detect a motion vector for each of regions of each frame of an input signal. Accuracy of virtual samples is locally determined while... | 11/08/2011 |
| 8054885 | Method and apparatus for decoding/encoding a video signal A method of decoding a current layer using inter-layer prediction is disclosed. The present invention includes determining whether a position of a current block is included in a sampled reference layer, the current block included in the current layer, obtaining a pl... | 11/08/2011 |
| 8050326 | Method for providing and using information about inter-layer prediction for video signal Disclosed is a method for providing and using information about inter-layer prediction when providing a video signal to a plurality of layers by encoding the video signal. The method for encoding an image signal to bit streams of an enhanced layer and a base layer, ... | 11/01/2011 |
| 8050324 | Method and apparatus for selecting a reference frame for motion estimation in video encoding Method and apparatus for selecting a reference frame for motion estimation in a video encoder is described. In one example, motion estimation is performed on a current macroblock in a current frame with respect to a reference frame to obtain a motion vector, a sum o... | 11/01/2011 |
| 8050325 | System and method for boundary motion vector correction in motion compensated frame rate A system and method for more efficiently determining motion vectors of uncovering areas adjacent the edge of frames when the frame image is moving in the direction of the frame boundary. Backwards motion estimation is used to determine a block of video data which is... | 11/01/2011 |
| 8045619 | Motion estimation apparatus and method A motion estimation apparatus and method is disclosed. The apparatus includes a block error calculator to calculate a specified block error based on a candidate motion vector previously estimated and spatiotemporarily neighboring on a present block; a motion estimat... | 10/25/2011 |
| 8045618 | Method and apparatus for MPEG-2 to VC-1 video transcoding A method for transcoding from an MPEG-2 format to a VC-1 format is disclosed. The method generally comprises the steps of (A) decoding an input video stream in the MPEG-2 format to generate a picture; (B) determining a mode indicator for the picture; and (C) coding ... | 10/25/2011 |
| 8045620 | Image processing apparatus, image processing method and computer readable medium According to one embodiment, an image processing apparatus includes a vector calculation module, a major vector detection module, and an interpolation frame generation module. The vector calculation module calculates motion vectors of pixel blocks of a frame of movi... | 10/25/2011 |
| 8040952 | Scalable multi-view image encoding and decoding apparatuses and methods Scalable multi-view image encoding and decoding methods and apparatuses are provided. The scalable multi-view image encoding and decoding methods and apparatuses filter multi-view images input from a plurality of cameras in spatial-axis and in temporal-axis directio... | 10/18/2011 |
| 8040949 | Video encoding methods and devices A dual, and possibly multiple, frame approach is used by the invention. Embodiments of the invention include making a decision to use a long term reference frame, which is a frame other than an immediate past reference frame, to conduct INTER coding, or to conduct I... | 10/18/2011 |
| 8040951 | Information processing apparatus and program for use in the same An information processing apparatus includes a unit that executes a de-blocking filter process for each of decoded pictures, a unit that executes a motion compensation prediction process that generates an inter-frame prediction signal, from one or more pictures that... | 10/18/2011 |
| 8040950 | Method and apparatus for effectively compressing motion vectors in multi-layer structure A method and an apparatus for elevating compression efficiency of a motion vector by effectively predicting a motion vector of an enhanced layer by means of a motion vector of a base layer in a video coding method employing a multi-layer structure are disclosed. A m... | 10/18/2011 |
| 8036271 | Method and apparatus for determining a second picture for temporal direct-mode block prediction A method for determining a first and a second reference picture used for inter-prediction of a macroblock, comprising the steps of (A) finding a co-located picture and block, (B) determining a reference index, (C) mapping the reference index to a lowest valued refer... | 10/11/2011 |
| 8036272 | Moving picture encoding method and decoding method A moving picture decoding method, which generates a predicted image using information on motion vectors and information on reference images, the moving picture decoding method having multiple prediction modes including a mode without motion vector decoding, includin... | 10/11/2011 |
| 8031774 | Video encoding methods and systems with frame-layer rate control A frame-layer rate control method, and a video encoding method and system. In a first-step encoding stage, a QP of a previous frame is used to determine MVs and MB modes for all MBs in a current frame through R-D optimization, and the residual signal is encoded and ... | 10/04/2011 |
| 8031775 | Analyzing camera captured video for key frames In order to analyze a digital video clip to determine candidate frames for subsequent key frame selection, a camera motion sensor is provided in the camera so that information is provided during image capture regarding camera motion including translation of the scen... | 10/04/2011 |
| RE42790 | Occlusion/disocclusion detection using K-means clustering near object boundary with comparison of average motion of clusters to object and background motions An object in a video sequence is tracked by object masks generated for frames in the sequence. Macroblocks are motion compensated to predict the new object mask. Large differences between the next frame and the current frame detect suspect regions that may be obscur... | 10/04/2011 |
| 8023562 | Real-time video coding/decoding A video codec having a modular structure for encoding/decoding a digitized sequence of video frames in a multi-core system is described. The video codec comprises a memory unit; a multithreading engine. and a plurality of control and task modules organized in a tree... | 09/20/2011 |
| 8018999 | Algorithm description on non-motion blur image generation project A method for simulating an image captured at a long exposure time (“simulated image”), includes (1) capturing each of first, second, and third images at a short exposure time, (2) determining a first relative motion between the first and the second images, (3) t... | 09/13/2011 |
| 8019000 | Motion vector detecting device A frame memory holds a reference frame that is to be referenced for motion detection for a target block of a coding target frame in motion images. A motion compensation unit that includes a motion detecting unit and a motion compensated prediction unit. The motion d... | 09/13/2011 |
| 8018998 | Low complexity motion compensated frame interpolation method Video decoding that employs motion compensated frame interpolation (MCFI) is described. The MCFI technique minimizes computations by limiting motion estimation to blocks having motion vectors that do not represent true motion. The MCFI determines these blocks using ... | 09/13/2011 |
| 8019001 | Prediction image generating method and apparatus using single coding mode for all color components, and image and video encoding/decoding method and apparatus using the same A prediction image generation method and apparatus using a single coding mode for all color components and image and video encoding and decoding methods and apparatuses using the same are provided. The prediction image generation apparatus includes: a spatial predic... | 09/13/2011 |
| 8009736 | Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding with reduced requirements for division operations A method and apparatus for performing motion estimation in a digital video system is disclosed. Specifically, the present invention discloses a system that quickly calculates estimated motion vectors in a very efficient manner. In one embodiment, a first multiplican... | 08/30/2011 |
| 8009735 | Method and device for transmitting and receiving image sequences between a server and client The present invention concerns a method and device for transmitting images of a sequence of digital images between a server device and a client device connected by a communication network, the images being coded in a format allowing access to spatial sub-parts. The ... | 08/30/2011 |
| 8005145 | Method and apparatus for transferring video frame in telecommunication system A method of coding video frames in a telecommunication system, comprising: forming a video frame of consecutive stationary frames, storing the frame reconstruction data of at least one frame as a reference frame and the motion data of earlier coded neighboring block... | 08/23/2011 |
| 8005144 | Bi-directional predicting method for video coding/decoding The invention discloses a bi-directional prediction method for video coding/decoding. When bi-directional prediction coding at the coding end, firstly the given forward candidate motion vector of the current image block is obtained for every image block of the curre... | 08/23/2011 |
| 8000391 | Motion vector estimating method and motion picture processor A motion vector estimator includes an object data input and sorting unit and a reference data input and sorting unit for sorting packed input picture data to separate first picture data used for estimating the motion vector from second picture data that is not used ... | 08/16/2011 |
| 8000393 | Video encoding apparatus and video encoding method According to one embodiment, a video encoding apparatus includes a motion vector calculation module, a motion boundary detection module, and a quantization parameter setting module. The motion vector calculation module calculates motion vectors for respective blocks... | 08/16/2011 |
| 8000392 | Phase correlation based motion estimation in hybrid video compression Motion vectors for encoding a predicted frame relative to a reference frame are determined from a phase correlation of corresponding regions of the predicted frame and reference frame. Peaks in the phase correlation are identified, and the location of the peaks are ... | 08/16/2011 |
| 7991050 | Moving picture decoding apparatus and moving picture decoding method According to one embodiment, a moving picture decoding apparatus comprises a decoding module configured to decode an input stream containing coded moving picture data and coding information of the coded moving picture data and configured to produce decoded moving pi... | 08/02/2011 |
| 7986734 | Video codecs, data processing systems and methods for the same Exemplary embodiments of the present invention provide a data processing system which may include a task scheduler for enabling a plurality of independent data processing units to be operable in pipelining streams and/or controlling pipelined operations to be differ... | 07/26/2011 |
| 7983341 | Statistical content block matching scheme for pre-processing in encoding and transcoding Statistical content block matching for video pre-processing, for example in fast motion estimation, uses a second-order distortion criterion for processing steps such as identifying a best reference image portion for comparison with a current image portion. The seco... | 07/19/2011 |
| 7983340 | Extracting key frames from video using a triangle model of motion based on perceived motion energy A key frame extraction system and method for extracting key frames from a video based on motion analysis of frames within the video. Key frames are highlight frames that are effective in summarizing a video sequence. This allows a user to quickly find a desired spot... | 07/19/2011 |
