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Browse by Category: Main > Optical & Optics
Class Information
Number: 382/246
Name: Image analysis > Image compression or coding > Lossless compression > Huffman or variable-length coding
Description: Subject matter in which image data are encoded using a variable length code, such that the most common image data have the shortest codes.










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

Patent Number Title Of Patent Date Issued
8687697 Coding of motion vector information Apr. 1, 2014
8675732 Method and apparatus of compressing image data Mar. 18, 2014
8666184 Variable length coding system Mar. 4, 2014
8660374 Selecting transform paths for compressing visual data Feb. 25, 2014
8654857 Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding Feb. 18, 2014
8644628 Method and apparatus for encoding and decoding and multi-view image Feb. 4, 2014
8644390 H.264 to VC-1 and VC-1 to H.264 transcoding Feb. 4, 2014
8630339 Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding Jan. 14, 2014
8611688 Method and apparatus for encoding and decoding and multi-view image Dec. 17, 2013
8600183 Optimized method and system for entropy coding Dec. 3, 2013
8576910 Parameter selection method, parameter selection apparatus, program, and recording medium Nov. 5, 2013
8576915 Position coding for context-based adaptive variable length coding Nov. 5, 2013
8577157 Conditional replenishment for motion JPEG2000 Nov. 5, 2013
8554002 Method and apparatus for encoding and decoding and multi-view image Oct. 8, 2013
8538180 Method and apparatus for generating JPEG files suitable for parallel decoding Sep. 17, 2013
8537898 Compression with doppler enhancement Sep. 17, 2013
8520964 Image processing apparatus Aug. 27, 2013
8515192 Parallel entropy encoding of dependent image blocks Aug. 20, 2013
8509555 Error-resilient entropy coding for partial embedding and fine grain scalability Aug. 13, 2013
8503827 Apparatus and method for decoding image data Aug. 6, 2013
8494295 Variable length coding for clustered transform coefficients in video compression Jul. 23, 2013
8488891 Method and apparatus for encoding and decoding and multi-view image Jul. 16, 2013
8488894 Method and system for dot-matrix font data compression and decompression Jul. 16, 2013
8483500 Run length coding with context model for image compression using sparse dictionaries Jul. 9, 2013
8472729 System and method for using pattern vectors for video and image coding and decoding Jun. 25, 2013
8456334 Variable-length code decoding apparatus, decoding system, and variable-length code decoding method Jun. 4, 2013
8457419 Method of decoding entropy-encoded data Jun. 4, 2013
8457427 Digital information extraction Jun. 4, 2013
8446638 Estimation of ink/toner coverage when printing May. 21, 2013
8446637 Estimation of ink/toner coverage when printing May. 21, 2013
8437562 Intra-prediction mode optimization methods and image compression methods and devices using the same May. 7, 2013
8428395 Image processing apparatus, image display apparatus, image forming apparatus, image processing method and storage medium Apr. 23, 2013
8428375 System and method for data compression and decompression in a graphics processing system Apr. 23, 2013
8416847 Separate plane compression using plurality of compression methods including ZLN and ZLD methods Apr. 9, 2013
8410959 Variable length codes for coding of video data Apr. 2, 2013
8396311 Image encoding apparatus, image encoding method, and image encoding program Mar. 12, 2013
8374451 Image processing device and image processing method for reducing the circuit scale Feb. 12, 2013
8369412 Method and system to improve the transport of compressed video data Feb. 5, 2013
8351722 Encoder, decoder, encoding method and decoding method, and recording medium Jan. 8, 2013
8344055 Ammonium phosphate fire retardant with water resistance Jan. 1, 2013
8345752 Method and apparatus for entropy encoding/decoding Jan. 1, 2013
8340448 Locally variable quantization and hybrid variable length coding for image and video compression Dec. 25, 2012
8326057 Image encoding method, image decoding method, image encoding apparatus, image decoding apparatus, image encoding program, and image decoding program Dec. 4, 2012
8320696 Image processing apparatus, image processing method, and program Nov. 27, 2012
8320685 Picture processing apparatus and method, and imaging apparatus Nov. 27, 2012
8306347 Variable length coding (VLC) method and device Nov. 6, 2012
8290034 Video transmission and display including bit-wise sub-sampling video compression Oct. 16, 2012
8260070 Method and system to generate a compressed image utilizing custom probability tables Sep. 4, 2012
8254709 Variable length encoding device of image compression system Aug. 28, 2012
8254700 Optimized method and system for entropy coding Aug. 28, 2012

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