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| Number | Title | Issue Date |
| 7437008 | Image predictive coding method An image predictive coding apparatus and method, image predictive decoding apparatus and method, and recording medium, of which the transform efficiency is remarkably improved in comparison with the prior art. According to the image predictive coding apparatus and m... | 10/14/2008 |
| 7433529 | Faster transforms using early aborts and precision refinements Fast transforms that use early aborts and precision refinements are disclosed. When to perform a corrective action is detected based upon testing the incremental calculations of transform coefficients. Corrective action is then performed. The corrective action inclu... | 10/07/2008 |
| 7430332 | Approximations used in performance sensitive transformations which contain sub-transforms The present invention provides methods, apparatus and articles of manufacture for performing a transform equation in which at least two sub-transform equations can be identified. According to the invention, each sub-transform is considered separately and the constan... | 09/30/2008 |
| 7430326 | Image encoding apparatus, method and program An image encoding apparatus comprises an image input unit 12 for entering image data, a block split unit 14 for splitting the entered image data into a plurality of blocks, a block extractor unit 16 and an averaging unit 18, both of which... | 09/30/2008 |
| 7428342 | Reversible overlap operator for efficient lossless data compression An efficient lapped transform is realized using pre- and post-filters (or reversible overlap operators) that are structured of unit determinant component matrices. The pre- and post-filters are realized as a succession of planar rotational transforms and unit determ... | 09/23/2008 |
| 7426310 | Method and application of applying filters to N-dimensional signals and images in signal projection space A Radon transform of the image(s) or array(s); and convolution of the Fourier transform of any 1D filter or mask, e.g., wavelet filters, with a 1D Ram-Lak, or other band-limited filter; convolution of the resultant 1D filters with each of the 1D columns of the 2D Ra... | 09/16/2008 |
| 7424158 | Image predictive coding method There is disclosed image predictive coding apparatus and method, image predictive decoding apparatus and method, and recording medium which stores therein the image predictive coding method or the image predictive decoding method, of which the transform efficiency i... | 09/09/2008 |
| 7424057 | Data format transcoding apparatus and associated method The present invention provides an apparatus for converting image data, including a block extraction unit extracts a class tap from a composite signal. A pixel-location-mode output unit determines a pixel location mode from the extracted class tap, and outputs it to ... | 09/09/2008 |
| 7421134 | Image processing apparatus and method for moving object-adaptive compression An image processing apparatus is adapted to a surveillance camera system, and a CPU included in the surveillance camera system divides a plurality of continuous screens of an image signal into a plurality of blocks by each screen, and detects a specific object, whic... | 09/02/2008 |
| 7421139 | Reducing errors in performance sensitive transformations The invention provides a method, data compression system, apparatus, and article of manufacture which reduce the error in transform equations in which constants are replaced by approximations. According to the invention transform constants are replaced with approxim... | 09/02/2008 |
| 7418142 | Method for compression using reversible embedded wavelets A method and apparatus for encoding and decoding data is described. The present invention includes a method and apparatus for generating transformed signals in response to input data. In one embodiment, the transformed signals are generated using a reversible wavele... | 08/26/2008 |
| 7412104 | Optimized lossless data compression methods A method for losslessly encoding and compressing and decoding original, raw, raster data, and other files by optimizing the results of preprocessing and transformation techniques. Four stages are involved: pre-processing during which the data is replaced by predicti... | 08/12/2008 |
| 7409096 | Process and functional unit for the optimization of displaying progressively coded image data In a process and unit for gradual decoding, archiving and graphic display of progressively decoded image data, time intervals between the time points of consecutive decoding steps, during which network users receive ever more refined image resolution when downloadin... | 08/05/2008 |
| 7409099 | Method of improved image/video compression via data re-ordering A method of image and video compression including data re-ordering to improve the performance of the core compression algorithm. In the inventive method, pixel values of at least part of an image are examined and then re-ordered into a new order that has greater com... | 08/05/2008 |
| 7409094 | Methods and systems for packetizing encoded data Systems and methods thereof for processing data are described. First information associated with encoded data is parsed. The first information describes an ordering of the encoded data. The encoded data is placed in a data packet using the first information. The dat... | 08/05/2008 |
| 7406212 | Method and system for parallel processing of Hough transform computations In a parallel computation of a Hough transform of an array of input data values, the transform space of the Hough transform is partitioned dynamically or statically into a number of sub-spaces. Each sub-space of the transform is stored in a sub-space of memory locat... | 07/29/2008 |
| 7397963 | Method and apparatus for storing bitplanes of coefficients in a reduced size memory A method and apparatus for storing bitplanes of coefficients in a reduced size memory is disclosed. In one embodiment, a method for encoding coefficients comprises applying one or more wavelet transforms to generate multiple coefficients and storing N bitplanes of e... | 07/08/2008 |
| 7394941 | Image predictive coding method There is disclosed image predictive coding apparatus and method, image predictive decoding apparatus and method, and recording medium which stores therein the image predictive coding method or the image predictive decoding method, of which the transform efficiency i... | 07/01/2008 |
| 7391914 | Decoding of predicted DC coefficient without division A technique for eliminating the division in decoding a predicted DC coefficient includes calculating and storing the values of 1//DC_scalar in a table. This allows one to convert a division into a multiplication. ... | 06/24/2008 |
| 7391915 | Cache friendly method for performing inverse discrete wavelet transform This invention is a method for inverse Wavelet transform using a breadth-first output data calculation which uses input data to calculate at least one output data for each iteration of a software loop even if the same input data is used in a later iteration for calc... | 06/24/2008 |
| 7388991 | Data encoding methods and circuits A data encoding method. First, a data array comprising a plurality of elements is stored in a memory. The number of elements unequal to a predetermined value is counted while elements of the array are stored in the memory. Then, a control module reads elements from ... | 06/17/2008 |
| 7382926 | Transcoding a JPEG2000 compressed image A JPEG2000 compressed image is transcoded to a lower bit-rate or lower resolution, or both, without having to decompress the initial JPEG2000 image and then recompress it to a lower bit-rate and/or resolution. Instead, arithmetic decoding is performed only to the ne... | 06/03/2008 |
| 7379606 | Image coding and decoding methods, image coding and decoding apparatuses, and recording media for image coding and decoding programs In an image coding method of the present invention, after a process such as DCT is performed to digital image data, quantization process is performed, and then, to resultant quantized transform coefficients, variable length coding process is performed with reference... | 05/27/2008 |
| 7379609 | Image processing apparatus and method for conversion between raster and block formats An image processing apparatus for converting image data between a raster format and a block format including an image data processor for providing the image data including a luminance component and at least one chrominance component in the raster format, at least tw... | 05/27/2008 |
| 7379610 | Methods of, and apparatus for, producing code words Datawords encoded using a first-order Reed-Muller code are decoded using a Fast Hadamard Transform (FHT). Where the dataword is known to comprise a number of unused bits at one end, the soft decisions of the codeword are reordered. Majority polling is then performed... | 05/27/2008 |
| 7376280 | Video encoding and decoding A method for encoding video with a two-dimensional (2D) transform separable to two one-dimensional (1D) transforms. The method receives an array of values for a sub-section of an image, performs a first 1D-transform of the array, transposes the resulting array, and ... | 05/20/2008 |
| 7373015 | Image processing device and method In an image processing method for reducing an input image while preventing moire without deterioration of image quality, presence/absence of periodicity is detected for each pixel on the input image, and if there is periodicity, an image period is detected (S4 | 05/13/2008 |
| 7373003 | Method for the scaling down of data A method, system, and data structure for the scaling down of data is provided. At least two blocks of transformed data samples representing at least two blocks of original data samples are received. One of at least two tables of constants is selected wherein each ta... | 05/13/2008 |
| 7373007 | Encoded data generation apparatus and a method, a program, and an information recording medium An encoding process and a recompression process of encoded data are disclosed that appropriately select low-order bit planes and low-order sub bit planes, codes corresponding to which are not to be output. The low-order bit planes and low-order sub bit planes are se... | 05/13/2008 |
| 7369709 | Conditional lapped transform A digital media content (e.g., image, video, audio, etc.) encoder/decoder employs a spatially varying parameter to condition the application of an overlap pre-process and post-process to adjacent transform block edges for the spatial-domain lapped transform. This co... | 05/06/2008 |
| 7366319 | Embedding a multi-resolution compressed thumbnail image in a compressed image file A method (300) of encoding an image into an image code-stream. The method (300) generates a reduced resolution representation of the image and encodes the reduced resolution representation in accordance with a multi-resolution format to form an encoded... | 04/29/2008 |
| 7365880 | Image processing apparatus and image processing method An image region discrimination section in an image processing section, a characteristic signal calculation result obtained by hardware is subjected to macro-scoped correction and macro-discrimination by a processor. Further, in the image region discrimination sectio... | 04/29/2008 |
| 7362905 | Methods and systems for DV encoding and decoding Methods and systems for multi-stage DV encoding and decoding. A skip command may be issued by a microprocessor or DRAM controller via a physical link when DRAM bandwidth is overtaxed. Corresponding encoding and decoding systems implementing the proposed DV encoding ... | 04/22/2008 |
| 7359550 | Incremental singular value decomposition of incomplete data A method models data values acquired by measuring a natural phenomena. Samples are acquired of the natural phenomena, each sample is arranged as a vector c of the data values. Some of the data values may be missing. The vectors c are decomposed into five matrices, r... | 04/15/2008 |
| 7356195 | System and method for estimating image sharpness A method for determining image sharpness estimation of an image. Image data for at least one column of pixels and at least one row of pixels of the image is sampled. A first filter is applied on sequential differences of sampled image data resulting in a first filte... | 04/08/2008 |
| 7356191 | Image encoding apparatus and method, program and recording medium In an image encoder is provided, including a to-be-encoded object prediction unit which counts quantization coefficients which are newly made significant, for example, when each bit plane is encoded, on the basis of quantization coefficient for each bit plane in all... | 04/08/2008 |
| 7352904 | Block decoding method and system capable of decoding and outputting data in a longitudinal direction A block decoding method and system capable of decoding and outputting data in a longitudinal direction, which obtains a start address in an input compressed datastream for each block of a decompressed image by a pre-scanned compressed datastream such that the system... | 04/01/2008 |
| 7352906 | Continuous transform method for wavelets A method and system for mapping the flow data that will be the subject of wavelet transform equations to a system comprising adders, subtractors, multipliers and/or dividers to perform the mathematical functions set forth in the particular wavelet transform. A shift... | 04/01/2008 |
| 7349564 | Imaging internal structures An apparatus, method and software module for selecting phase-correlated images from the output of a scanner such as a cone beam CT scanner operates by collapsing the images derived from the series from two dimensions to one dimension by summing the intensities of pi... | 03/25/2008 |
| 7346219 | Methods and devices for encoding and decoding images using nested meshes, programme, signal and corresponding uses The invention concerns a method for encoding at least a source image using a hierarchical mesh defining at least two nested spaces corresponding each to a decomposition level of said meshing, which consists, at least at a decomposition level n (except the first deco... | 03/18/2008 |
