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CY1123768T1 - Μεθοδος για κωδικοποιηση/αποκωδικοποιηση εικονας - Google Patents

Μεθοδος για κωδικοποιηση/αποκωδικοποιηση εικονας

Info

Publication number
CY1123768T1
CY1123768T1 CY20201101060T CY201101060T CY1123768T1 CY 1123768 T1 CY1123768 T1 CY 1123768T1 CY 20201101060 T CY20201101060 T CY 20201101060T CY 201101060 T CY201101060 T CY 201101060T CY 1123768 T1 CY1123768 T1 CY 1123768T1
Authority
CY
Cyprus
Prior art keywords
decoding
prediction block
candidate motion
motion vectors
image
Prior art date
Application number
CY20201101060T
Other languages
English (en)
Inventor
Sung Chang Lim
Hui Yong Kim
Jin Ho Lee
Jin Soo Choi
Jin Woong Kim
Original Assignee
Electronics And Telecommunications Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48995608&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CY1123768(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Electronics And Telecommunications Research Institute filed Critical Electronics And Telecommunications Research Institute
Publication of CY1123768T1 publication Critical patent/CY1123768T1/el

Links

Classifications

    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Mια μέθοδος για την αποκωδικοποίηση μιας εικόνας σύμφωνα με την παρούσα εφεύρεση περιλαμβάνει τα εξής βήματα: αποκωδικοποίηση ενός εναπομένοντος μπλοκ μέσω κβαντοποίησης και αντίστροφου μετασχηματισμού ενός εναπομένοντος μπλοκ αποκωδικοποιημένου με εντροπία, δημιουργία ενός μπλοκ πρόβλεψης μέσω αντιστάθμισης κίνησης, και αποκωδικοποίηση μιας εικόνας προσθέτοντας το αποκωδικοποιημένο εναπομένον μπλοκ στο μπλοκ πρόβλεψης, όπου με βάση τον μέγιστο αριθμό υποψήφιων διανυσμάτων κίνησης της λίστας υποψήφιων διανυσμάτων κίνησης που σχετίζονται με το μπλοκ πρόβλεψης, μια λίστα υποψήφιων διανυσμάτων κίνησης προσαρμόζεται προσθέτοντας ένα συγκεκριμένο υποψήφιο διάνυσμα κίνησης ή απορρίπτοντας ένα τμήμα μεταξύ των υποψηφίων διανυσμάτων κίνησης, και στο βήμα παραγωγής μπλοκ πρόβλεψης, ένα διάνυσμα πρόβλεψης κίνησης του μπλοκ πρόβλεψης καθορίζεται με βάση την προσαρμοσμένη λίστα υποψηφίων διανυσμάτων κίνησης. Κατά συνέπεια, η πολυπλοκότητα των αριθμητικών πράξεων μειώνεται κατά τη διάρκεια της κωδικοποίησης/αποκωδικοποίησης μιας εικόνας.
CY20201101060T 2012-01-19 2020-11-10 Μεθοδος για κωδικοποιηση/αποκωδικοποιηση εικονας CY1123768T1 (el)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20120006282 2012-01-19
PCT/KR2013/000418 WO2013109093A1 (ko) 2012-01-19 2013-01-18 영상 부호화/복호화 방법 및 장치

Publications (1)

Publication Number Publication Date
CY1123768T1 true CY1123768T1 (el) 2022-03-24

Family

ID=48995608

Family Applications (2)

Application Number Title Priority Date Filing Date
CY20201101060T CY1123768T1 (el) 2012-01-19 2020-11-10 Μεθοδος για κωδικοποιηση/αποκωδικοποιηση εικονας
CY20211101087T CY1124915T1 (el) 2012-01-19 2021-12-10 Συσκευη για κωδικοποιηση/αποκωδικοποιηση εικονων

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Country Status (17)

Country Link
US (5) US10218999B2 (el)
EP (6) EP4152751A1 (el)
JP (7) JP6005762B2 (el)
KR (10) KR101595419B1 (el)
CN (9) CN108055549B (el)
BR (4) BR122020017172B1 (el)
CY (2) CY1123768T1 (el)
DK (2) DK2806637T3 (el)
ES (2) ES2901350T3 (el)
HR (2) HRP20211943T8 (el)
HU (3) HUE051798T2 (el)
LT (2) LT3767952T (el)
PL (2) PL3767952T3 (el)
PT (2) PT2806637T (el)
RS (2) RS62603B1 (el)
SI (2) SI2806637T1 (el)
WO (1) WO2013109093A1 (el)

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EP3968640A1 (en) 2022-03-16
EP4152751A1 (en) 2023-03-22
JP2020120391A (ja) 2020-08-06
HRP20211943T1 (hr) 2022-04-15
EP3968639A1 (en) 2022-03-16
SI2806637T1 (sl) 2021-02-26
KR102042274B1 (ko) 2019-11-07
KR102386766B1 (ko) 2022-04-14
EP3968641A1 (en) 2022-03-16
HRP20211943T8 (hr) 2022-05-13
KR102315404B1 (ko) 2021-10-20
US10638154B2 (en) 2020-04-28
PT3767952T (pt) 2021-12-20
JP2022017224A (ja) 2022-01-25
BR122020017172B1 (pt) 2022-11-29
CN107396128A (zh) 2017-11-24
JP6949168B2 (ja) 2021-10-13
JP6005762B2 (ja) 2016-10-12
BR122022002972B1 (pt) 2022-11-22
HUE051798T2 (hu) 2021-03-29
LT2806637T (lt) 2021-01-25
SI3767952T1 (sl) 2022-01-31
PL2806637T3 (pl) 2021-05-04
BR112014017895B1 (pt) 2022-11-22
JP7138754B2 (ja) 2022-09-16
EP3968641B1 (en) 2022-12-21
CN104170387A (zh) 2014-11-26
US12126826B2 (en) 2024-10-22
KR20130115191A (ko) 2013-10-21
KR20210128961A (ko) 2021-10-27
BR122022002970B1 (pt) 2022-11-22
CN107295345A (zh) 2017-10-24
KR102168471B1 (ko) 2020-10-21
JP6689924B2 (ja) 2020-04-28
KR20190126044A (ko) 2019-11-08
EP2806637B1 (en) 2020-10-21
RS62603B1 (sr) 2021-12-31
KR20220047954A (ko) 2022-04-19
CN108055550A (zh) 2018-05-18
KR102485745B1 (ko) 2023-01-06
US11006142B2 (en) 2021-05-11
CN108055549A (zh) 2018-05-18
KR102631638B1 (ko) 2024-02-01
CN108055550B (zh) 2021-10-01
CN107580231A (zh) 2018-01-12
CN108200437A (zh) 2018-06-22
WO2013109093A1 (ko) 2013-07-25
KR102042276B1 (ko) 2019-11-07
EP3968639B1 (en) 2022-12-14
KR20130121766A (ko) 2013-11-06
PL3767952T3 (pl) 2022-01-31
EP3968640B1 (en) 2022-12-21
JP6449203B2 (ja) 2019-01-09
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CY1124915T1 (el) 2022-07-22
ES2901350T3 (es) 2022-03-22
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CN108055548A (zh) 2018-05-18
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CN107396128B (zh) 2020-04-24
KR20130085382A (ko) 2013-07-29
EP2806637A1 (en) 2014-11-26
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JP2022172295A (ja) 2022-11-15
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US10218999B2 (en) 2019-02-26
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HUE056924T2 (hu) 2022-03-28
EP3767952B1 (en) 2021-11-17
LT3767952T (lt) 2022-01-10
US20220417551A1 (en) 2022-12-29
KR101595419B1 (ko) 2016-02-18
DK2806637T3 (da) 2020-11-23
JP7319440B2 (ja) 2023-08-01
US20210218982A1 (en) 2021-07-15
JP7542695B2 (ja) 2024-08-30
KR20130115190A (ko) 2013-10-21
US20200228825A1 (en) 2020-07-16
CN108055549B (zh) 2021-10-01
BR112014017895A8 (pt) 2017-07-11
CN108055547A (zh) 2018-05-18
US20140355688A1 (en) 2014-12-04
BR112014017895A2 (el) 2017-06-20
US11470342B2 (en) 2022-10-11
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