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| Number | Title | Issue Date |
| 8170356 | Linear temporal reference scheme having non-reference predictive frames The method, system, and apparatus of linear temporal reference scheme having non-reference predictive frames is disclosed. In one embodiment, a method of a temporal reference scheme includes creating a non-reference predictive frame and a reference predictive frame ... | 05/01/2012 |
| 8155461 | Methods and apparatuses for encoding and decoding multi-view image Methods and apparatuses for encoding and decoding a multi-view image are provided. The method of encoding the multi-view image can use a difference in views between pictures of the multi-view image, add an image area obtained from a picture at one view at a first ti... | 04/10/2012 |
| 8150183 | Predictive-transform source coding with subbands A method, system, and apparatus are directed towards computing minimum mean squared error (MMSE) predictive-transform (PT) source coding integrated with subband compression to further improve the performance of low bit rate MMSE PT source coders. A desirable byprodu... | 04/03/2012 |
| 8145002 | Image encoding device and image encoding method An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a pred... | 03/27/2012 |
| 8139878 | Picture coding method and picture decoding method The method includes the following units: a coefficient number detecting unit (109) for detecting the number of coefficients which has a value other than 0 for each block according to the generated coefficient, a coefficient number storing unit (110) fo... | 03/20/2012 |
| RE43256 | Processing of images using a limited number of bits The invention relates to a method as well as a system, a device, an encoder and a decoder, and a computer software product for image processing by the method. In the invention, the number of bits is limited in the bit string of a pixel to be processed, wherein the p... | 03/20/2012 |
| 8126282 | Image encoding apparatus and image decoding apparatus Provided are an image encoding apparatus and an image decoding apparatus. The image encoding apparatus includes a compression unit compressing a reference image by reducing a resolution of the reference image in a resolution adjustment mode determined from among at ... | 02/28/2012 |
| 8121426 | Method of compressing input stroke sequence A method of compressing a sequence of strokes input at an input device of a processing system is provided in which each stroke input at the input device is represented as a series of digital words representing x and y co-ordinates, a reference co-ordinate of each st... | 02/21/2012 |
| 8121425 | Method and apparatus for encoding and decoding multi-view image Provided is a method and apparatus for encoding and decoding a multi-view image. By predicting a current picture based on at least one of an intra (I) picture of a previous image processing block and an I picture of a current image processing block, which is generat... | 02/21/2012 |
| 8116578 | Method and apparatus for effectively compressing motion vectors in video coder based on multi-layer A method and apparatus of improving the compression efficiency of a motion vector by efficiently predicting a motion vector in an enhancement layer from a motion vector in a base layer in a video coding method using a multi-layer are provided. The method includes ob... | 02/14/2012 |
| 8116577 | Encoding method, encoding device, encoding process program, and recording medium on which encoding process program is recorded The present invention is applicable to video cameras, for example. The present invention encodes input image data D1 on the basis of a true predicted code quantity TRUE PRED(n) calculated by correcting a roughly calculated predicted code quantity ROUGH PRED(n... | 02/14/2012 |
| 8107752 | Method and system for processing image at high speed An image processing method and system that performs color space transformation on an image to be compressed and obtaining pixel values, performing intra-row differential pulse code modulation coding on the image pixel values to obtain numerical values, and determini... | 01/31/2012 |
| 8107751 | DPCM with adaptive range and PCM escape mode The embodiments of the present invention provide for methods, devices, and systems adapted to perform adaptive quantization processes. The adaptive quantization processes of the present invention are adapted to provide one or more adaptive quantization modes based o... | 01/31/2012 |
| 8107753 | Prediction-based image processing A pixel block (300) is compressed by sub-sampling at least a portion of the pixels (310) into subblocks (320, 330). Predictions are determined for the property values of these subblocks (320, 330) by calculating a variance measure based o... | 01/31/2012 |
| 8098946 | Apparatus and method for image encoding and decoding using prediction An image encoding and decoding method includes dividing an input image into a plurality of sub-planes by sub-sampling the input image, selecting one of the divided sub-planes and performing interprediction-encoding on the selected sub-plane, and performing interpred... | 01/17/2012 |
| 8081829 | Motion estimation apparatus and control method thereof The present invention enables highly accurate estimation of a motion amount of a target pixel for motion-estimation located between two adjacent lines in a current field when generating a non-interlaced video signal from an interlaced video signal. To achieve this a... | 12/20/2011 |
| 8045813 | Image encoding and decoding method and apparatus using motion compensation filtering Provided are an image encoding method and apparatus for encoding image data, in which compression efficiency is further improved by filtering motion-compensated image data, thereby reducing errors with respect to original image data, and an image decoding method and... | 10/25/2011 |
| 8045814 | Image compression device, compressing method, storage medium, image decompression device, decompressing method, and storage medium An image compression device having a prediction unit for predicting a value of a compressing target pixel from peripheral values, and quantizing prediction error between a prediction value of the prediction unit and a value of an actual pixel in a predetermined quan... | 10/25/2011 |
| 8031954 | Image encoding apparatus and control method thereof using prediction encoding and pixel classification According to this invention, encoded data are generated by sorting pixel data in a block according to different scan start positions and different scan routes upon generating encoded data for respective blocks, and encoded data with a smallest data amount of these e... | 10/04/2011 |
| 8014620 | Image processing system, image compression system, image editing system, computer readable medium, computer data signal and image processing apparatus An image processing system includes an identification unit, a region division unit and a pixel value change unit. The identification unit identifies a second pixel among an image including a first pixel and the second pixel. A pixel value of the first pixel is not t... | 09/06/2011 |
| 8000545 | Method for accessing image data and method for accessing YUV420 image data A method for accessing image data and a method for accessing YUV420 image data are disclosed. The method for accessing image data uses two different approaches to a buffer for accessing the JPEG image data, so that the method can achieve instant JPEG image data comp... | 08/16/2011 |
| 7995848 | Method and apparatus for encoding and decoding image data A method and apparatus for encoding and decoding image data. The method of encoding image data includes spatially predicting pixel values of a one-dimensional block of an image using blocks spatially adjacent to the one-dimensional block or temporally predicting the... | 08/09/2011 |
| 7991237 | Image encoding device, image decoding device, image encoding method and image decoding method An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a pred... | 08/02/2011 |
| 7991236 | Discardable lower layer adaptations in scalable video coding A system and method for improving both coding efficiency and decoding accuracy in scalable video coding involving discardable lower layer adaptations, where applications can omit transmission of unused data for inter-layer prediction for all layers below an operatio... | 08/02/2011 |
| 7970223 | Image encoding apparatus, image decoding apparatus, image encoding method, image decoding method, image encoding program, and image decoding program A variable-length encoder that feeds a Coded Block Pattern (CBP) as an input symbol to variable-length code output part. Coded symbol memory supplies CBPs in neighboring blocks as coding map table reference information to coding map table provider. Coding map table ... | 06/28/2011 |
| 7953285 | Method and circuit of high performance variable length coding and decoding for image compression The differential value of the adjacent pixels is calculated firstly and is coded by a VLC coding. The VLC coding includes codes representing the Quotient and Remainder with a marker bit inserted in between. The divider is predicted with no code in the coded data str... | 05/31/2011 |
| 7936936 | Method of visualizing a large still picture on a small-size display A method of visualizing a large still picture on a display having a size smaller than the large still picture includes the steps of dividing the large still picture into a set of pieces, where the pieces have a size substantially equal to the display size; ranking t... | 05/03/2011 |
| 7933458 | Image decoder, image decoding method and computer program product for the same According to an embodiment of the invention, there is provided an image decoder for decoding encoded image data in an image block unit, including: a storage device configured to store a DC component of a past image block coefficient as a prediction value; a predict ... | 04/26/2011 |
| 7916958 | Compression for holographic data and imagery Image pixel intensity data is transformed to a holographic representation of the image. A subset of the holographic representation is modeled. Model parameters constitute a compressed image representation. A two-dimensional Fourier transform can be applied to obtain... | 03/29/2011 |
| 7903890 | Image processing device, learning device, and coefficient generating device and method A target-pixel-setting section (31) sets a target pixel in a target image to be predicted. A motion-direction-detecting section (32) detects a motion direction corresponding to the target pixel. A pixel-value-extracting section (36) extracts fro... | 03/08/2011 |
| 7903891 | Image encoding apparatus, image decoding apparatus, image encoding method, image decoding method, image encoding program, and image decoding program Variable-length encoder 16 feeds a CBP as an input symbol H1 to variable-length code output part 30. Coded symbol memory 31 supplies CBPs in neighboring blocks as coding map table reference information H2 to coding map table provid... | 03/08/2011 |
| 7856148 | Processing multiview video Decoding a video signal comprises receiving a bitstream comprising the multiview video signal encoded according to dependency relationships between respective views, and view-dependency data representing the dependency relationships; extracting the view-dependency d... | 12/21/2010 |
| 7826673 | Methods and systems for inter-layer image prediction with color-conversion Methods for predicting a high dynamic range (HDR) image element based on a received low dynamic range (LDR) image element or data and a HDR image element or data. LDR data is extracted to create either a color-converted image element or a LDR image luminance element... | 11/02/2010 |
| 7822280 | Epipolar geometry-based motion estimation for multi-view image and video coding Described is fast motion estimation based upon epipolar geometry, which can be used in compressing multi-view video. An epipolar line is computed based on a point (e.g., a centroid point) in a macroblock to be predicted, and a temporary starting point in an image is... | 10/26/2010 |
| 7813571 | Image encoding apparatus and image decoding apparatus An image encoding apparatus includes a converter 1 for receiving an image signal, and for converting the image signal of individual blocks to DC components and AC components by orthogonal transformation of the individual blocks of an image frame; a predicted ... | 10/12/2010 |
| 7792373 | Image processing apparatus, image processing method, and image processing program A target image of coding is separated into sequences of a plurality of frames, that is, shots, and differences between the shots and shots similar to the shots are coded (reference frames for each frame in the target shot of coding are frames corresponding thereto i... | 09/07/2010 |
| 7783119 | Image encoding apparatus, image decoding apparatus and control method therefor The present invention is able to determine an encoding parameter using a simple method with little processing load or memory cost, and enables encoding of image data with excellent compression performance. To this end, a prediction error generating unit of an encodi... | 08/24/2010 |
| 7747093 | Method and apparatus for predicting the size of a compressed signal Method and apparatus for providing an estimate of the size of a compressed signal without actually compressing the signal. A compression estimation mechanism models the behavior of entropy encoders on the transform coefficients generated by the application of a disc... | 06/29/2010 |
| 7715638 | Processing of images using a limited number of bits The invention relates to a method as well as a system, a device, an encoder and a decoder, and a computer software product for image processing by the method. In the invention, the number of bits is limited in the bit string of a pixel to be processed, wherein the p... | 05/11/2010 |
| 7715639 | Data encoding apparatus, data decoding apparatus, data encoding method, data decoding method, and recording medium recorded with program This data encoding apparatus includes: a prediction unit for calculating a prediction value of target data using read data; a subtractor for calculating a prediction error value, which is the error between the target data and the prediction value; a filtering unit a... | 05/11/2010 |
