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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

Patent Number Title Of Patent Date Issued
7450773 Image processing apparatus and image processing method, image processing system, image processing program and storage medium Nov. 11, 2008
7444029 Image predictive coding method Oct. 28, 2008
7444033 Method and apparatus for extracting pixel values 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
7433531 Image pickup apparatus and method Oct. 7, 2008
7433530 Scaling of multi-dimensional data in a hybrid domain Oct. 7, 2008
7433528 Image processing apparatus Oct. 7, 2008
7430330 Method and apparatus for optimizing a JPEG image using regionally variable compression levels Sep. 30, 2008
7430332 Approximations used in performance sensitive transformations which contain sub-transforms Sep. 30, 2008
7426311 Object-based coding and decoding apparatuses and methods for image signals Sep. 16, 2008
7424057 Data format transcoding apparatus and associated method Sep. 9, 2008
7424158 Image predictive coding method Sep. 9, 2008
7421135 Image data compression device and encoder Sep. 2, 2008
7421152 Method for resizing an image using the inverse discrete cosine transform Sep. 2, 2008
7418134 Method and apparatus for foreground segmentation of video sequences Aug. 26, 2008
7412100 Apparatus and method for sub-sampling images in a transform domain Aug. 12, 2008
7408991 Error detection in low bit-rate video transmission Aug. 5, 2008
7409100 Methods and apparatus for improving quality of block-transform coded images Aug. 5, 2008
7394928 Selection of coefficients for quantization processing based on whether an original image is a still image or a moving image Jul. 1, 2008
7394940 Digital video media duplication or transmission quality measurement Jul. 1, 2008
7394941 Image predictive coding method Jul. 1, 2008
7395432 Method of embedding/detecting digital watermark and apparatus for using thereof Jul. 1, 2008
7388999 Transformations for denoising images Jun. 17, 2008
7388994 Method for reducing IDCT calculations in video decoding Jun. 17, 2008
7386176 Image sending apparatus and image receiving apparatus for sending and receiving code sequence data Jun. 10, 2008
7386729 Method of inserting/detecting digital watermark and apparatus for using thereof Jun. 10, 2008
7376280 Video encoding and decoding May. 20, 2008
7373003 Method for the scaling down of data May. 13, 2008
7369706 Image-data processing device, image-data processing method, image-data distributing device and image-data transmitting system May. 6, 2008
7369708 Image data compression device and encoder May. 6, 2008
7362471 Image-forming controller, method therefor, program, and storage medium Apr. 22, 2008
7356082 Video/audio signal processing method and video-audio signal processing apparatus Apr. 8, 2008
7356189 Moving image compression device and imaging device using the same Apr. 8, 2008
7356190 Image area extraction method, image reconstruction method using the extraction result and apparatus thereof Apr. 8, 2008
7352811 Data encoding apparatus and method Apr. 1, 2008
7352812 Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding Apr. 1, 2008
7352904 Block decoding method and system capable of decoding and outputting data in a longitudinal direction Apr. 1, 2008
7346640 Image processing apparatus supporting both discrete cosine transform and discrete wavelet transform Mar. 18, 2008
7343043 Image compression apparatus, method and recording medium storing an image compression program Mar. 11, 2008
7339506 Variable length coding method and variable length decoding method Mar. 4, 2008
7336838 Pixel-data selection device to provide motion compensation, and a method thereof Feb. 26, 2008
7336842 Method and apparatus for generating data representative of features of an image Feb. 26, 2008
7333659 Picture encoder and picture encoding method Feb. 19, 2008
7330596 Image decoding technique for suppressing tile boundary distortion Feb. 12, 2008
7327892 JPEG2000 encoder Feb. 5, 2008
7321690 Device and method for detecting blurring of an image Jan. 22, 2008
7321698 Methods and apparatus for transform coefficient filtering Jan. 22, 2008
7313286 Reversible DCT for lossless-lossy compression Dec. 25, 2007

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