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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/250
Name: Image analysis > Image compression or coding > Transform coding > Discrete cosine or sine transform
Description: Subject matter in which image data is partitioned into blocks and transformed using the discrete cosine or the discrete sine transform.


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
7609902 Implementation of discrete cosine transformation and its inverse on programmable graphics processor Oct. 27, 2009
7609903 Spread spectrum signal demodulating method and apparatus Oct. 27, 2009
7606432 Apparatus and method for providing thumbnail image data on a mobile terminal Oct. 20, 2009
7593542 Image processing apparatus, image processing method, and computer product Sep. 22, 2009
7587093 Method and apparatus for implementing DCT/IDCT based video/image processing Sep. 8, 2009
7587091 De-interlacing using decoder parameters Sep. 8, 2009
7580579 Image-adaptive quantization for JPEG compression Aug. 25, 2009
7580565 Image processing apparatus and method Aug. 25, 2009
7580167 Determining whether to convert image data in an input color space to an output color space in a transform domain or real domain Aug. 25, 2009
7580166 Converting image data in an input color space to an output color space in a transform domain Aug. 25, 2009
7574060 Deblocker for postprocess deblocking Aug. 11, 2009
7570822 Image processing apparatus, printer and control method of the image processing Aug. 4, 2009
7565021 Efficient implementation of block-based transform on graphics processing unit Jul. 21, 2009
7561748 Electronic camera Jul. 14, 2009
7558801 Distributing limited storage among a collection of media objects Jul. 7, 2009
7558431 Method and system for discrete cosine transforms/inverse discrete cosine transforms based on pipeline architecture Jul. 7, 2009
7542612 Signal processing method and signal processing device Jun. 2, 2009
7542615 Image area extraction method, image reconstruction method using the extraction result and apparatus thereof Jun. 2, 2009
7532765 Run length encoded digital image May. 12, 2009
7529415 Adaptive and progressive protection of fixed images encoded in wavelets May. 5, 2009
7528844 Interpolation of plotted points between sample values May. 5, 2009
7529384 Robust hidden data extraction method for scaling attacks May. 5, 2009
7526134 Image processing apparatus, program, recording medium, and data decompression method Apr. 28, 2009
7526030 Digital signal conversion method and digital signal conversion device Apr. 28, 2009
7522761 System and method for detecting a streak in a compressed gray scale image Apr. 21, 2009
7522776 Digital video media duplication or transmission quality measurement Apr. 21, 2009
7519230 Background motion vector detection Apr. 14, 2009
7505630 Image processing apparatus, image processing method, program, and recording medium that allow setting of most appropriate post-quantization condition Mar. 17, 2009
7502523 Auto focusing apparatus and method using discrete cosine transform coefficients Mar. 10, 2009
7499570 Illumination invariant change detection Mar. 3, 2009
7496210 System and method for steganalysis Feb. 24, 2009
7489827 Scaling of multi-dimensional data in a hybrid domain Feb. 10, 2009
7486828 Method and apparatus for processing an image data for output Feb. 3, 2009
7483581 Apparatus and method for encoding digital image data in a lossless manner Jan. 27, 2009
7477796 Method for preparing compressed image data file, image data compression device, and photographic device Jan. 13, 2009
7474697 Apparatus and method for partitioning moving picture data Jan. 6, 2009
7463778 Motion estimation for compressing multiple view images Dec. 9, 2008
7463777 Method for the scaling down of data Dec. 9, 2008
7460729 Data transform processing apparatus and method Dec. 2, 2008
7457474 Generalized scalability for video coder based on video objects Nov. 25, 2008
7454071 System and method for using pattern vectors for video and image coding and decoding Nov. 18, 2008
7454077 Slideshow animation algorithms Nov. 18, 2008
7450773 Image processing apparatus and image processing method, image processing system, image processing program and storage medium Nov. 11, 2008
7444033 Method and apparatus for extracting pixel values Oct. 28, 2008
7444029 Image predictive coding method Oct. 28, 2008
7440501 Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding Oct. 21, 2008
7437007 Region-of-interest editing of a video stream in the compressed domain Oct. 14, 2008
7437008 Image predictive coding method Oct. 14, 2008
7433530 Scaling of multi-dimensional data in a hybrid domain Oct. 7, 2008
7433531 Image pickup apparatus and method Oct. 7, 2008

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