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CY1123086T1 - Συσκευη αποκωδικοποιησης εικονας - Google Patents

Συσκευη αποκωδικοποιησης εικονας

Info

Publication number
CY1123086T1
CY1123086T1 CY20201100599T CY201100599T CY1123086T1 CY 1123086 T1 CY1123086 T1 CY 1123086T1 CY 20201100599 T CY20201100599 T CY 20201100599T CY 201100599 T CY201100599 T CY 201100599T CY 1123086 T1 CY1123086 T1 CY 1123086T1
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CY
Cyprus
Prior art keywords
mpms
candidate
interprediction
function
endoprediction
Prior art date
Application number
CY20201100599T
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English (en)
Inventor
Shin Ji Park
Original Assignee
Innotive Ltd
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Publication date
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Publication of CY1123086T1 publication Critical patent/CY1123086T1/el

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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
    • H04N19/103—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
    • H04N19/50—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
    • H—ELECTRICITY
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    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H—ELECTRICITY
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H04N19/124—Quantisation
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
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    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
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    • H—ELECTRICITY
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    • 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
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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    • 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
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
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    • 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
    • H04N19/169—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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

Abstract

Μια μέθοδος για την κωδικοποίηση μιας λειτουργίας ενδοπρόβλεψης σύμφωνα με την παρούσα εφεύρεση επιλέγει μια λειτουργία ενδοπρόβλεψης για ένα τρέχον μπλοκ, καθορίζει τον αριθμό των έγκυρων υποψήφιων ΜΡΜ ελέγχοντας την εγκυρότητα των υποψήφιων ΜΡΜ του τρέχοντος μπλοκ, και εάν ο αριθμός των έγκυρων υποψήφιων ΜΡΜ είναι μικρότερος από έναν προηγουμένως καθορισμένο αριθμό, προσθέτει επιπλέον λειτουργίες ενδοπρόβλεψης ως υποψήφια ΜΡΜ. Τα υποψήφια ΜΡΜ μπορούν να προστεθούν προσαρμοστικά με βάση την κατευθυντικότητα των έγκυρων υποψήφιων ΜΡΜ. Επιπλέον, κατά την κωδικοποίηση της υπολειπόμενης λειτουργίας ενδοπρόβλεψη, οι υπολειπόμενες λειτουργίες ενδοπρόβλεψης επανευθυγραμμίζονται με βάση την κατευθυντικότητα των έγκυρων υποψήφιων ΜΡΜ. Συνεπώς, η παρούσα εφεύρεση επιτρέπει την ελαχιστοποίηση των πληροφοριών για την κωδικοποίηση της λειτουργίας ενδοπρόβλεψης του τρέχοντος μπλοκ προσθέτοντας υποψήφια ΜΡM για την επανευθυγράμμιση των υπολειπόμενων λειτουργιών ενδοπρόβλεψης με βάση την κατευθυντικότητα των έγκυρων υποψήφιων ΜΡΜ.
CY20201100599T 2011-10-24 2020-06-29 Συσκευη αποκωδικοποιησης εικονας CY1123086T1 (el)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20110108452 2011-10-24
PCT/KR2012/003082 WO2013062196A1 (ko) 2011-10-24 2012-04-20 영상 복호화 장치
EP12844183.9A EP2797324A4 (en) 2011-10-24 2012-04-20 DEVICE FOR IMAGE DECODING

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CY1123086T1 true CY1123086T1 (el) 2021-10-29

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US (6) US9025662B2 (el)
EP (6) EP2945381B1 (el)
JP (5) JP5728671B2 (el)
KR (6) KR101947657B1 (el)
CN (9) CN104935929B (el)
CY (1) CY1123086T1 (el)
DK (1) DK2942954T3 (el)
ES (4) ES2805041T3 (el)
HK (6) HK1214053A1 (el)
HR (1) HRP20201328T1 (el)
HU (4) HUE051687T2 (el)
LT (1) LT2942954T (el)
MX (1) MX2014003543A (el)
PL (4) PL2945376T3 (el)
PT (1) PT2942954T (el)
RS (1) RS60704B1 (el)
SI (1) SI2942954T1 (el)
WO (2) WO2013062196A1 (el)

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