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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:
| 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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