ClassID:

230319

H04N19/645 - CPC Classification

Classification description:

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission by grouping of coefficients into blocks after the transform

Recent Application in this class:
#1
20250280153
2025-09-04

TRANSFORM-SKIP RESIDUAL CODING OF VIDEO DATA

#2
20250280152
2025-09-04

TRANSFORM-SKIP RESIDUAL CODING OF VIDEO DATA

#3
20250280151
2025-09-04

TRANSFORM-SKIP RESIDUAL CODING OF VIDEO DATA

#4
20250247563
2025-07-31

TRANSFORM AND LAST SIGNIFICANT COEFFICIENT POSITION SIGNALING FOR LOW-FREQUENCY NON-SEPARABLE TRANSFORM IN VIDEO CODING

#5
20250203114
2025-06-19

METHOD FOR IMAGE ENCODING

#6
20250168407
2025-05-22

NON-TRANSFORM CODING

#7
20250159261
2025-05-15

NON-TRANSFORM CODING

#8
20250159260
2025-05-15

NON-TRANSFORM CODING

#9
20250159259
2025-05-15

NON-TRANSFORM CODING

#10
20240323443
2024-09-26

TRANSFORM-SKIP RESIDUAL CODING OF VIDEO DATA

#11
20230412844
2023-12-21

Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding

#12
20230388548
2023-11-30

Non-transform coding

#13
20230089878
2023-03-23

Lossy data compression

#14
20220385944
2022-12-01

Non-transform coding

#15
20220239939
2022-07-28

Temporal prediction shifting for scalable video coding

#16
20210392377
2021-12-16

Block coding apparatus method and apparatus for image compression

#17
20210235122
2021-07-29

Non-transform coding

#18
20210044823
2021-02-11

Temporal prediction shifting for scalable video coding

#19
20210014509
2021-01-14

Signaling residual signs predicted in transform domain

#20
20200404332
2020-12-24

Transform-skip residual coding of video data

#21
20200404311
2020-12-24

Method and apparatus for residual sign prediction in transform domain

#22
20200404307
2020-12-24

Transform coefficients encoder and decoder

#23
20200396487
2020-12-17

Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding

#24
20200374539
2020-11-26

Bit-plane encoder and decoder

#25
20200296422
2020-09-17

Image encoding and decoding method, apparatus, and system, and storage medium to determine a transform core pair to effectively reduce encoding complexity

#26
20200280742
2020-09-03

Subblock coding by generalized intra prediction in video coding

#27
20200272333
2020-08-27

Lossy data compression

#28
20200260116
2020-08-13

Method and apparatus for generating quantization matrices in video encoding and decoding

#29
20200260098
2020-08-13

Predictive coefficient coding

#30
20200221129
2020-07-09

Non-transform coding

#31
20200128274
2020-04-23

Method, apparatus and system for encoding or decoding video data of precincts by using wavelet transform

#32
20200077109
2020-03-05

Temporal prediction shifting for scalable video coding

#33
20190306531
2019-10-03

Non-transform coding

#34
20190289295
2019-09-19

Apparatus and method for encoding or decoding using a subband dependent prediction adaptation for GCLI entropy coding

#35
20190222853
2019-07-18

Transform block coding

#36
20190215533
2019-07-11

Transform coefficient coding using level maps

#37
20190098325
2019-03-28

Storing and retrieving high bit depth image data

#38
20190045206
2019-02-07

Bit-plane coding

#39
20180376153
2018-12-27

Content, psychovisual, region of interest, and persistence based adaptive quantization for video coding

#40
20180255300
2018-09-06

Image processing device, image processing method, and recording medium storing image processing program

#41
20180213263
2018-07-26

METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGES

#42
20180213258
2018-07-26

Transform coefficient coding using level maps

#43
20180205962
2018-07-19

METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGES

#44
20180192051
2018-07-05

Method and device for digital data compression with sign bit removal

#45
20180109814
2018-04-19

Method And Apparatus Of Coding Unit Information Inheritance

#46
20180103270
2018-04-12

Non-transform coding

#47
20170353732
2017-12-07

Information processing apparatus, method of controlling the same, and storage medium

#48
20170337724
2017-11-23

Method for producing animated images

#49
20170289575
2017-10-05

Non-transform coding

#50
20170238018
2017-08-17

Non-transform coding

#51
20170230200
2017-08-10

System for communicating data

#52
20170177227
2017-06-22

Lossy data compression

#53
20170164007
2017-06-08

MIXED BOOLEAN-TOKEN ANS COEFFICIENT CODING

#54
20170111659
2017-04-20

Encoding and decoding transform coefficient sub-blocks in same predetermine order

#55
20160142737
2016-05-19

Method and apparatus for packaging image data for transmission over a network

#56
20160119637
2016-04-28

Image processing system with joint encoding and method of operation thereof

#57
20160119629
2016-04-28

Image processing system with coding mode and method of operation thereof

#58
20160119623
2016-04-28

Image processing system with conditional coding and method of operation thereof

#59
20160105686
2016-04-14

Method and apparatus for compressing image data using compression profiles

#60
20160100195
2016-04-07

Method and apparatus for compressing image data using a tree structure

#61
20160100194
2016-04-07

Method and apparatus for encoding image data using wavelet signatures

#62
20160029032
2016-01-28

Information processing apparatus, method of controlling the same, and storage medium

#63
20150382021
2015-12-31

Techniques for generating wave front groups for parallel processing a video frame by a video encoder

#64
20150312571
2015-10-29

METHOD AND DEVICE FOR ENCODING/ DECODING IMAGE SUPPORTING PLURALITY OF LAYERS

#65
20150281714
2015-10-01

Image processing method, devices and system

#66
20150249840
2015-09-03

Method and apparatus for decoding a video signal

#67
20140348439
2014-11-27

System and method for compressing images and video

#68
20140092983
2014-04-03

Coded black flag coding for 4:2:2 sample format in video coding

#69
20140092965
2014-04-03

Intra-coding for 4:2:2 sample format in video coding

#70
20140064380
2014-03-06

Frame buffer compression for video processing devices

#71
20140056347
2014-02-27

Non-Transform Coding

#72
20140010312
2014-01-09

Method and apparatus for encoding and decoding with multiple transform coefficients sub-blocks

#73
20130114698
2013-05-09

Method of determining binary codewords for transform coefficients

#74
20120308150
2012-12-06

Predictive-transform source coding with subbands

#75
20120281871
2012-11-08

Color image or video processing

#76
20120033886
2012-02-09

Image processing systems employing image compression

#77
20120033881
2012-02-09

Image processing systems employing image compression and accelerated decompression

#78
20120033880
2012-02-09

Image processing systems employing image compression and accelerated image decompression

#79
20110310974
2011-12-22

Frame buffer compression for video processing devices

#80
20110252265
2011-10-13

Delay controller, control method, and communication system

#81
20110206289
2011-08-25

Guaranteed-rate tiled image data compression

#82
20110176742
2011-07-21

Image processing apparatus and image processing method

#83
20110141310
2011-06-16

Method for block-encoding of a raster image of pixels, corresponding computer program and image capture device

#84
20110134258
2011-06-09

Method for entropically transcoding a first data stream into a second compressed binary data stream, and corresponding computer program and image recording device

#85
20110113453
2011-05-12

Methods for Displaying Video Monitoring Applications and Services Across Heterogeneous Networks

#86
20110091121
2011-04-21

Coding apparatus and method

#87
20110007936
2011-01-13

Encoding and decoding media signals

#88
20100310164
2010-12-09

Color image or video processing

#89
20100310117
2010-12-09

Color image or video processing

#90
20100254619
2010-10-07

Encoding apparatus and method, and decoding apparatus and method

#91
20100246986
2010-09-30

Methods and apparatus for generating and using visual error weights

#92
20100225655
2010-09-09

Concurrent Encoding/Decoding of Tiled Data

#93
20100220783
2010-09-02

Frame buffer compression for video processing devices

#94
20100080473
2010-04-01

System and method for compressing and decompressing images and video

#95
20100027901
2010-02-04

Predictive-transform source coding with subbands

#96
20100014590
2010-01-21

Method for image data processing utilizing multiple transform engines

#97
20090285498
2009-11-19

Information processing apparatus for extracting codes corresponding to an image area

#98
20090263030
2009-10-22

METHODS AND APPARATUSES FOR COMPRESSING DIGITAL IMAGE DATA

#99
20090185749
2009-07-23

Image encoder, image encoding method, image decoder, and image decoding method

#100
20090180699
2009-07-16

JPEG 2000-like access using the JPM compound document file format

#101
20090136085
2009-05-28

Detecting embedded signals in media content using coincidence metrics

#102
20090110054
2009-04-30

Method, medium, and apparatus for encoding and/or decoding video by generating scalable bitstream with adaptive bit-depth and video format

#103
20090003648
2009-01-01

Color image or video processing

#104
20080304574
2008-12-11

Information processing device and method, and information processing system

#105
20080292134
2008-11-27

Wavelet domain watermarks

#106
20080152244
2008-06-26

Image-processing apparatus, image-processing method, program and computer readable information recording medium

#107
20080131013
2008-06-05

Image decoding technique for suppressing tile boundary distortion

#108
20080095473
2008-04-24

Wavelet transformation-based image encoder, decoder and method for generating thumbnail image

#109
20070280542
2007-12-06

Image compressing method

#110
20070274599
2007-11-29

Image processing method and image processing apparatus for images decodable at multiple resolutions

#111
20070256057
2007-11-01

Code transforming apparatus and code transforming method

#112
20070253487
2007-11-01

Wavelet transform apparatus and method, scalable video coding apparatus and method employing the same, and scalable video decoding apparatus and method thereof

#113
20070237412
2007-10-11

Image encoding apparatus and image decoding apparatus

#114
20070237411
2007-10-11

Image signal processing apparatus

#115
20070217699
2007-09-20

Digital images

#116
20070217698
2007-09-20

Image compressing apparatus, image compressing method and program

#117
20070116369
2007-05-24

Method and apparatus for compression using reversible wavelet transforms and an embedded codestream

#118
20070086661
2007-04-19

Image processing apparatus, image recording apparatus, image reproducing apparatus, camera system, computer program, and storage medium

#119
20070053620
2007-03-08

Compression encoder, compression encoding method and program

#120
20070053599
2007-03-08

Compression encoder, compression encoding method and program

#121
20070053598
2007-03-08

Compression encoder, compression encoding method and program

#122
20060274958
2006-12-07

Method and device for coding and decoding a sequence of images

#123
20060245655
2006-11-02

Orderly structured document code transferring method using character and non-character mask blocks

#124
20060239565
2006-10-26

Apparatus and method for encoding an image for a mobile telecommunication handset

#125
20060233420
2006-10-19

Digital watermark and steganographic decoding

#126
20060233257
2006-10-19

Compression and decompression with wavelet style and binary style including quantization by device-dependent parser

#127
20060227877
2006-10-12

Image processing method and apparatus

#128
20060222255
2006-10-05

Image enhancement device

#129
20060222254
2006-10-05

Method and apparatus for compression using reversible wavelet transforms and an embedded codestream

#130
20060210161
2006-09-21

Digital signal coding with division into tiles

#131
20060170955
2006-08-03

Network access to partial document images

#132
20060159357
2006-07-20

Compression encoder, compression encoding method and program

#133
20060146937
2006-07-06

Three-dimensional wavelet video coding using motion-compensated temporal filtering on overcomplete wavelet expansions

#134
20060085534
2006-04-20

Methods for deploying video monitoring applications and services across heterogenous networks

#135
20060072838
2006-04-06

Multi-resolution image data management system and method based on tiled wavelet-like transform and distinct bitstreams for distinct groups of bit planes

#136
20060056706
2006-03-16

Methods for decoding corrupt JPEG2000 codestreams

#137
20060012495
2006-01-19

Wavelet inverse transform method and apparatus and wavelet decoding method and apparatus

#138
20060008162
2006-01-12

Pre-compression rate-distortion optimization method for JPEG 2000

#139
20050265617
2005-12-01

Picture encoding with wavelet transform and block area weights

#140
20050259880
2005-11-24

Block area wavelet transform picture encoding apparatus

#141
20050207664
2005-09-22

Methods and apparatuses for compressing digital image data

#142
20050196058
2005-09-08

Image encoder, image encoding method, image decoder, and image decoding method

#143
20050163388
2005-07-28

Method and apparatus for eliminating flicker by quantizing values based on previous quantization

#144
20050152611
2005-07-14

Video/image coding method and system enabling region-of-interest

#145
20050133607
2005-06-23

Sign coding and decoding

#146
20050129322
2005-06-16

Method and system for compressing, storing, and retrieving image data

#147
20050129319
2005-06-16

Fast discrete wavelet encoding apparatus and method for encoding a still image at a high speed based on energy of each block

#148
20050105807
2005-05-19

Delivery of moving images according to reception condition of recipient

#149
20050084168
2005-04-21

Image encoding apparatus and method

#150
20050084158
2005-04-21

System and method for generating superimposed image data

#151
20050053301
2005-03-10

Multi-resolution image data management system and method based on tiled wavelet-like transform and sparse data coding

#152
20050041878
2005-02-24

Method and apparatus for specifying quantization based upon the human visual system

#153
20050036701
2005-02-17

Hierarchically compressing and coding and storing image data

#154
20050031218
2005-02-10

Tile boundary artifact removal for arbitrary wavelet filters

#155
15041606
2019-09-24

Noisy media content encoding

#156
13307216
2016-01-26

Segmentation based entropy encoding and decoding