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| Number | Title | Issue Date |
| 7016413 | Adaptively encoding a picture of contrasted complexity having normal video and noisy video portions A technique is provided for adaptively encoding in hardware, software or a combination thereof a sequence of frames in real time, wherein one or more of the frames includes a random noise portion. The technique includes using statistics analysis to determine whether... | 03/21/2006 |
| 7016546 | Block area wavelet transform picture encoding apparatus In wavelet transform encoding, high-quality encoding is to be realized by enabling picture quality control from one fractional area to another. An input picture 100 is read out in an amount corresponding to a number of lines required for wavelet transform and... | 03/21/2006 |
| 7013049 | Image processing scheme At least the deviation on a pixel having a value deviating from a predetermined range through inverse transform of image data from a frequency domain is reduced, wherein a pixel which should have a value changed in a direction reverse to the deviation is determined ... | 03/14/2006 |
| 7010173 | Video coder employing pixel transposition A video encoding method and apparatus is shown wherein image information is represented as a plurality of pixels, the pixels are organized into blocks, pixels transposition is performed on image information at the boundaries of the blocks, the blocks are transform c... | 03/07/2006 |
| 7006698 | Method and apparatus for compressing a video image An apparatus and method for performing two-pass real time video compression is provided. Tactical decisions such as encoding and quantification values are determined in software, whereas functional execution steps are performed in hardware. By appropriately apportio... | 02/28/2006 |
| 7003168 | Image compression and decompression based on an integer wavelet transform using a lifting scheme and a correction method A wavelet-based image compression system and method are presented. Compression is accomplished by performing a wavelet transformation of an input digital image. The resulting wavelet coefficients are compared to a threshold value. Coefficients falling below the thre... | 02/21/2006 |
| 7003758 | System and method for lithography simulation There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a technique of, and system for simulating, verifying, inspecting, characterizing, determining and/or evaluating the lithographic designs, techniques and/o... | 02/21/2006 |
| 7003165 | Image processor and image processing method for decompressing progressive-coded compressed image data The image processor of the present invention includes: an extracting means, an entropy decoding means, a combining means, and an inverse orthogonal transformation means. Coded data at respective stages in a certain block are extracted by the extracting means, and en... | 02/21/2006 |
| 6999626 | Memory management of compressed image data A method is disclosed for recovering image memory capacity, in relation to an image which has been encoded using a linear transform according to a layer progressive mode into L layers, L being an integer value greater than unity, the L layers being stored in an imag... | 02/14/2006 |
| 6999627 | Deterministic prediction in an image processing system Embodiments of the present invention relate to deterministic prediction in an image processing system. One aspect relates to an image processing system having a deterministic prediction decode unit for predicting individual pixels of an image based on a predetermine... | 02/14/2006 |
| 6999515 | Encoding block-organized data An information stream organized as a sequence of blocks is encoded according to a graceful degradation principle. The stream poses temporal non-uniform data processing requirements. In particular, with respect to a received block one or more blockwise defined contro... | 02/14/2006 |
| 6996593 | Filter processing apparatus and its control method, program, and storage medium This invention has as its object to suppress an increase in circuit scale and to simplify a circuit structure by executing a filter process using a plurality of arithmetic units each of which makes multiplication and addition. To achieve this object, image data Yn+2... | 02/07/2006 |
| 6996294 | Rebinning methods and arrangements for use in compressing image-based rendering (IBR) data Rebinning methods and arrangements are provided that significantly improve the 3D wavelet compression performance of the image based rendering data, such as, e.g., concentric mosaic image data. Through what is essentially a selective cutting and pasting process the ... | 02/07/2006 |
| 6996281 | Compression and decompression system with reversible wavelets and lossy reconstruction A method and apparatus for encoding and decoding data that includes generating transformed signals in response to input data. In one embodiment, the transformed signals are generated using a reversible wavelet transform. The present invention also includes a method ... | 02/07/2006 |
| 6992671 | Method and apparatus for compressing Bezier descriptions of letterforms in outline fonts using vector quantization techniques Vector quantization provides font contour data reduction. Characters are defined in a font collection using segmented outline forms and common references stored to curve segments for similar segments in different characters of the font collection. Compressing the fo... | 01/31/2006 |
| 6990247 | Multiple coder technique A method and apparatus for performing compression and/or decompression is described. In one embodiment, the present invention comprises a system having a buffer, a wavelet transform unit, and a coder. The wavelet transform unit has an input coupled to the buffer to ... | 01/24/2006 |
| 6987805 | Macroblock level intrarefresh technique for encoded video A method is provided for encoding K>1 sequentially presented video pictures. Each of the K pictures is divided into an m>1 row×n>1 column array of non-overlapping coding units of equal sizes. Each coding unit occupies a respective coding unit position in the pictur... | 01/17/2006 |
| 6985634 | Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate An image processing system which compresses an image including both a binary image and a continuous tone image by a sub-band transform method with a high compression rate. A 2×2 pixel matrix block is extracted from image data. A transform factor having a plurality ... | 01/10/2006 |
| 6985630 | Image processing apparatus and method, program and storage medium To provide an image processing apparatus and method, a program, and a storage medium which enables, in the case where encoded data is generated by encoding image data including mixed multi-level data and bi-level image data and the encoded data is then decoded, to r... | 01/10/2006 |
| 6983073 | Enhancement of compressed images A method is provided for recovering an image defined as a function of image coordinates of an image space from compressed data that is a function of transform coordinates in a transform space comprising: a) transforming the compressed data using at least one partial... | 01/03/2006 |
| 6980595 | Method and system for distributed video compression in personal computer architecture A method and system for compressing video data in a computer has video processing that is distributed between preprocessing hardware in a video capture/controller card and a central processing unit of the computer. Frames of video data are passed to a motion estimat... | 12/27/2005 |
| 6980698 | Image finder method and apparatus for pixography and other photo-related reproduction applications An image finder method and apparatus are provided for identifying a source image data file in a database based upon a printed image actually generated from a source image data file in the database. Input image data that represent a printed input image are received f... | 12/27/2005 |
| 6977961 | Method and apparatus for macroblock DC and AC coefficient prediction for video coding Existing video data compression algorithms exploit the fact that the DCT coefficients in the neighbouring blocks are sometimes similar to those in the current block. This means that if the blocks contain completely different coefficients, for coding video data is di... | 12/20/2005 |
| 6978371 | Data hiding in digital multimedia A method and system for hiding authentication data within a multimedia data stream provides for cross-authentication. The method includes the step of obtaining a first set of authentication data, where the first set of authentication data is based on data contained ... | 12/20/2005 |
| 6978049 | Multi-resolution image data management system and method based on tiled wavelet-like transform and sparse data coding An image process system tiles an image data array, processing the tiles in a predefined order. Each tile of image data is processed by applying a predefined family of transform layers to the tile of image data so as to generate successive sets of transform coefficie... | 12/20/2005 |
| 6978047 | Method and apparatus for storing digital video content provided from a plurality of cameras The present invention provides a distributed surveillance system that allows for the digital storage of data, as well as the recognition of external patterns obtained in parallel operations. Further, digital data can be stored at different levels of compression, and... | 12/20/2005 |
| 6977687 | Apparatus and method for controlling a focus position for a digital still camera An apparatus for controlling a focus position for a digital still camera allows a user to take a picture with a certain focused position by moving a focus to a desirable position of the subject. The apparatus comprises a display unit for displaying an image correspo... | 12/20/2005 |
| 6975774 | Quantifying perceptual information and entropy A method of quantifying perceptual information and entropy for a data input signal uses an appropriate perceptual model to produce a perceptual response. The perceptual response is then entropy converted to produce the perceptual information and entropy. The entropy... | 12/13/2005 |
| 6970938 | Signal processor A detection circuit detects a slice start code from an input stream. Based on a result of the detection and a frame pulse, a reference macroblock (MB) address generated by a timing generator is sent to an address comparator. The input stream which has been phase-adj... | 11/29/2005 |
| 6970950 | Method for operating a modular control system and control system therefor In order to operate a modular control system that has a central processor (Z) and a plurality of peripheral modules (Bn) connected thereto, the inputs (In) and outputs (Qn) of the central processor (Z) and of each of the peripheral modules (Bn) are successively ente... | 11/29/2005 |
| 6970179 | Method and apparatus for the scaling up of data A method, system, and data structure for the scaling up of data is provided. A block of transformed data samples is received wherein the transformed data samples represent original data samples. One of at least two tables of constants is selected wherein each table ... | 11/29/2005 |
| 6968396 | Reloading of hypermedia pages by sending only changes A comparison of a first version of a resource and a second version of the resource is performed. The comparison performed by a gateway connected to a network. The first version is stored in the gateway. The second version is sent to the gateway by a server connected... | 11/22/2005 |
| 6968092 | System and method for reduced codebook vector quantization The present invention extends the generalized Lloyd algorithm (GLA) for vector quantizer (VQ) codebook improvement and codebook design to a new linearly-constrained generalized Lloyd algorithm (LCGLA). The LCGLA improves the quality of VQ codebooks, by forming the c... | 11/22/2005 |
| 6968158 | Wireless transmission of packetized command and image data Graphical display data representing an image for display is packetized for wireless transmission. At least one command for displaying the image from the data is within the packet. The command is used to display the image, as represented by the packetized data, in re... | 11/22/2005 |
| 6965697 | Coding apparatus and method, decoding apparatus and method, data processing system, storage medium, and signal A coding apparatus for embedding second data into first data without deteriorating the first data includes a memory for storing at least partial data of the first data. An embedding coder embeds the second data into the first data by rearranging, according to the se... | 11/15/2005 |
| 6965647 | Robust time domain block decoding A method for robust time domain block decoding is disclosed. In one embodiment, the method includes receiving a block of transform domain coefficients, detecting errors in one or more transform domain coefficients, decoding pixel values from the transform domain coe... | 11/15/2005 |
| 6965682 | Data transmission by watermark proxy A media object sensed at one location is delivered at a second remote location, or an application associated with the object is made available at the second location. In some embodiments, the delivered object is of a higher quality than the sensed object. In other e... | 11/15/2005 |
| 6963606 | Digital signal conversion method and digital signal conversion device An input digital signal of a first format (DV video signal) is restored to a variable-length code by having its framing cancelled by a de-framing section 11, then decoded by a variable-length decoding (VLD) section 12, inversely quantized by an inverse... | 11/08/2005 |
| 6961084 | Programmable image transform processor A programmable image transform system has a programmable addressing and arithmetic blocks. In the programmable addressing block, an input address generator has an input addressing microsequencer and an input addressing memory that stores an input addressing procedur... | 11/01/2005 |
| 6961378 | On-chip dynamic buffer level indicators for digital video encoder Method and encoder for encoding a digital video image stream. The encoding includes spatial compression of still images in the video stream and temporal compression between the still images. The spatial compression is carried out by converting a time domain image of... | 11/01/2005 |
