HRP20200675T1 - Uređaj za offset dekodiranje uređaj za offset kodiranje, uređaj za filtriranje slike i struktura podataka - Google Patents

Uređaj za offset dekodiranje uređaj za offset kodiranje, uređaj za filtriranje slike i struktura podataka Download PDF

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Publication number
HRP20200675T1
HRP20200675T1 HRP20200675TT HRP20200675T HRP20200675T1 HR P20200675 T1 HRP20200675 T1 HR P20200675T1 HR P20200675T T HRP20200675T T HR P20200675TT HR P20200675 T HRP20200675 T HR P20200675T HR P20200675 T1 HRP20200675 T1 HR P20200675T1
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Croatia
Prior art keywords
offset
value
bit depth
bit
pixel
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HRP20200675TT
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English (en)
Inventor
Takanori Yamazaki
Tomohiro Ikai
Tomoyuki Yamamoto
Yukinobu Yasugi
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Huawei Technologies Co., Ltd.
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47422737&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HRP20200675(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of HRP20200675T1 publication Critical patent/HRP20200675T1/hr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Claims (4)

1. Uređaj za filtriranje slike za primanje deblokirane dekodirane slike i dodavanje offset-a vrijednosti piksela za svaki piksel jedinične površine deblokirane dekodirane slike koja je sastavljena od mnoštva jediničnih površina, koji sadrži: jedinicu za postavljanje atributa offset-a konfiguriranu za određivanje dubine bita u skladu s dubinom bita za vrijednosti piksela za daljnje određivanje raspona vrijednosti offset-a i određivanje vrijednost pomaka upućivanjem na vrstu offset-a koja navodi informaciju sadržanu u kodiranim podacima, pri čemu je maksimalna duljina bita koja predstavlja raspon vrijednosti offset-a jednaka dubini offset bita-K, a vrijednost K jednaka je 4; jedinicu za dekodiranje offset-a konfiguriranu za dekodiranje offset-a koja je ograničena na raspon vrijednosti offset-a; jedinicu za pomak bita konfiguriranu za provođenje bitnog pomaka u lijevo na dekodiranom offset-u za iznos jednak vrijednosti pomaka; i jedinicu za filtriranje konfiguriranu za dodavanje ulijevo pomaknutog offset-a vrijednosti piksela svakog piksela jedinične površine deblokirane dekodirane slike.
2. Uređaj za filtriranje slike prema zahtjevu 1, naznačen time što jedinica za postavljanje offset atributa konfigurirana za postavljanje dubine offset bita da bude jednaka dubini bita vrijednosti piksela u slučaju da dubina bita vrijednosti piksela iznosi deset ili manje, a jedinica za postavljanje offset atributa je konfigurirana za postavljanje dubine offset bita da bude deset u slučaju da je dubina bita vrijednosti piksela jedanaest ili više, pri čemu je jedinica za postavljanje offset atributa konfigurirana za postavljanje raspona maksimalne offset vrijednosti da bude 2(dubina offset bita -K) -1 -1 ili manji, pri čemu je vrijednost K jednaka cijelom broju.
3. Postupak filtriranja za primanje deblokirane dekodirane slike i dodavanje offset vrijednosti piksela za svaki piksel jedinične površine deblokirane dekodirane slike koja je sastavljena od mnoštva jediničnih površina, koji sadrži: određivanje dubine offset bita u skladu s dubinom bita za vrijednosti piksela radi daljnjeg određivanja raspona vrijednosti offset-a i određivanje vrijednosti pomaka upućivanjem na vrstu offset-a koja navodi informacije uključene u kodirane podatke, pri čemu je maksimalna duljina bita koja predstavlja raspon vrijednosti offset-a jednaka dubini offset bita-K, a vrijednost K jednaka je 4; provođenje bitnog pomaka u smjeru ulijevo na dekodiranom offset-u za iznos jednak vrijednosti pomaka; dodavanje offset-a vrijednosti piksela za svaki piksel jedinične površine deblokirane dekodirane slike.
4. Postupak filtriranja slike prema zahtjevu 3, naznačen time što je dubina offset bita postavljena da bude jednaka dubini bita vrijednosti piksela u slučaju da dubina bita vrijednosti piksela iznosi deset ili manje, a dubina offset bita atributa je postavljena da iznosi deset u slučaju da dubina bita vrijednosti piksela iznosi jedanaest ili više, pri čemu raspon maksimalne offset vrijednosti treba biti 2(dubina offset bita -K) -1-1 ili manji, pri čemu je vrijednost K jednaka cijelom broju.
HRP20200675TT 2011-06-23 2020-04-28 Uređaj za offset dekodiranje uređaj za offset kodiranje, uređaj za filtriranje slike i struktura podataka HRP20200675T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011139961 2011-06-23
JP2011215476 2011-09-29
EP18160110.5A EP3361725B1 (en) 2011-06-23 2012-06-22 Offset decoding device, offset coding device, image filtering device, and data structure

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HRP20200675T1 true HRP20200675T1 (hr) 2020-07-24

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HRP20200675TT HRP20200675T1 (hr) 2011-06-23 2020-04-28 Uređaj za offset dekodiranje uređaj za offset kodiranje, uređaj za filtriranje slike i struktura podataka

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US (9) US9497455B2 (hr)
EP (6) EP3720127A1 (hr)
JP (7) JP5973434B2 (hr)
KR (5) KR102005212B1 (hr)
CN (3) CN103636210B (hr)
AU (4) AU2012274326B2 (hr)
CA (1) CA2840045C (hr)
CY (1) CY1123096T1 (hr)
DK (2) DK3361725T3 (hr)
ES (2) ES2699974T3 (hr)
HR (2) HRP20181975T1 (hr)
HU (2) HUE049411T2 (hr)
LT (1) LT3361725T (hr)
PL (2) PL3361725T3 (hr)
PT (2) PT3361725T (hr)
RS (1) RS58082B1 (hr)
SI (2) SI3361725T1 (hr)
WO (1) WO2012176910A1 (hr)

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