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Class Information
Number: 382/244
Name: Image analysis > Image compression or coding > Lossless compression
Description: Subject matter in which no image data is lost during compression and decompression.

Sub-classes under this class:

Class Number Class Name Patents
382/247 Arithmetic coding 212
382/246 Huffman or variable-length coding 636
382/245 Run-length coding 526

Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8711164 Memory controller including a hardware compression and decompression engine for managing system memory and graphical operations Apr. 29, 2014
8712174 Image processing apparatus and image processing method Apr. 29, 2014
8687697 Coding of motion vector information Apr. 1, 2014
8687903 Depthmap compression using a primitive Apr. 1, 2014
8677022 Method and apparatus for updating a graphical display in a distributed processing environment using compression Mar. 18, 2014
8666186 Lossy compression of high dynamic range video Mar. 4, 2014
8659451 Indexing compressed data Feb. 25, 2014
8660374 Selecting transform paths for compressing visual data Feb. 25, 2014
8655091 Basis vector spectral image compression Feb. 18, 2014
8620096 Virtualization server for presentation virtualization and image data encoding method Dec. 31, 2013
8615500 Partial block allocation for file system block compression using virtual block metadata Dec. 24, 2013
8611652 Resolution based formatting of compressed image data Dec. 17, 2013
8605104 Threshold-based lossy reduction color compression Dec. 10, 2013
8589363 Systems and methods for managing delta version chains Nov. 19, 2013
8576910 Parameter selection method, parameter selection apparatus, program, and recording medium Nov. 5, 2013
8577165 Method and apparatus for bandwidth-reduced image encoding and decoding Nov. 5, 2013
8565541 Image processing apparatus and method Oct. 22, 2013
8559741 Lossless image compression method Oct. 15, 2013
8554003 Image data processing apparatus, image data processing method, and computer readable medium Oct. 8, 2013
8553998 Depthmap compression using a primitive Oct. 8, 2013
8548262 Method and apparatus for steganalysis of texture images Oct. 1, 2013
8549177 Communication server, method and systems, for reducing transportation volumes over communication networks Oct. 1, 2013
8542870 Methods, apparatus and programs for generating and utilizing content signatures Sep. 24, 2013
8542935 Hybrid prediction apparatus and method for entropy encoding Sep. 24, 2013
8532416 Method and apparatus for encoding and decoding an image by using rotational transform Sep. 10, 2013
8532415 Data compression method Sep. 10, 2013
8515168 Image processing apparatus and image processing method Aug. 20, 2013
8515187 Method, compressor, decompressor and signal representation for lossless compression of pixel block values using row and column slope codewords Aug. 20, 2013
8509553 DPCM-based encoder, decoder, encoding method and decoding method Aug. 13, 2013
8502708 Encoding method and decoding method, and devices, program and recording medium for the same Aug. 6, 2013
8503804 Image signal decoding apparatus and image signal decoding method Aug. 6, 2013
8503808 Method, apparatus, and computer program product for compression and decompression of an image dataset Aug. 6, 2013
8503809 Information processing apparatus and method to entropy code upon processing of predetermined number of precincts Aug. 6, 2013
8488893 Image compression apparatus and image compression method Jul. 16, 2013
8477842 Encoding method of screen frame and electronic device applying the same Jul. 2, 2013
8472730 Image communication apparatus and computer readable medium for controlling image communication Jun. 25, 2013
8472731 Image signal decoding apparatus, image signal decoding method, image signal encoding apparatus, image signal encoding method, and program Jun. 25, 2013
8472740 Apparatus and method for processing data Jun. 25, 2013
8462168 Decompression system and method for DCT-base compressed graphic data with transparent attribute Jun. 11, 2013
8451905 Efficient encoding of video frames in a distributed video coding environment May. 28, 2013
8451906 Reconstructing efficiently encoded video frames in a distributed video coding environment May. 28, 2013
8428391 Systems and methods for providing immersive displays of video camera information from a plurality of cameras Apr. 23, 2013
8422778 Image compressing method, image compressing apparatus, image forming apparatus, computer program and computer readable medium Apr. 16, 2013
8423673 Method and apparatus for updating a graphical display in a distributed processing environment using compression Apr. 16, 2013
8417045 Mechanism for processing order-16 discrete cosine transforms Apr. 9, 2013
8406539 Processing of content-based compressed images Mar. 26, 2013
8400334 Asymmetric dictionary-based compression/decompression useful for broadcast or multicast unidirectional communication channels Mar. 19, 2013
8401320 Image forming apparatus Mar. 19, 2013
8384952 Image processing and forming apparatus, method and computer-readable medium for improving document image compression efficiency and quality Feb. 26, 2013
8385668 Image processing circuit, and display panel driver and display device mounting the circuit Feb. 26, 2013

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