DE69525313T2 - Method for reducing mosquito noise generated during image data decoding and device for decoding image data using such a method - Google Patents

Method for reducing mosquito noise generated during image data decoding and device for decoding image data using such a method

Info

Publication number
DE69525313T2
DE69525313T2 DE69525313T DE69525313T DE69525313T2 DE 69525313 T2 DE69525313 T2 DE 69525313T2 DE 69525313 T DE69525313 T DE 69525313T DE 69525313 T DE69525313 T DE 69525313T DE 69525313 T2 DE69525313 T2 DE 69525313T2
Authority
DE
Germany
Prior art keywords
image data
decoding
generated during
noise generated
mosquito noise
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69525313T
Other languages
German (de)
Other versions
DE69525313D1 (en
Inventor
Takayuki Sugahara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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
Priority claimed from JP6314162A external-priority patent/JP2900808B2/en
Priority claimed from JP3014495A external-priority patent/JP2900815B2/en
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of DE69525313D1 publication Critical patent/DE69525313D1/en
Publication of DE69525313T2 publication Critical patent/DE69525313T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
DE69525313T 1994-11-24 1995-11-23 Method for reducing mosquito noise generated during image data decoding and device for decoding image data using such a method Expired - Lifetime DE69525313T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6314162A JP2900808B2 (en) 1994-11-24 1994-11-24 Method for reducing mosquito noise generated when decoding image data and image data decoding apparatus
JP3014495A JP2900815B2 (en) 1995-01-26 1995-01-26 Method and device for adaptive coring

Publications (2)

Publication Number Publication Date
DE69525313D1 DE69525313D1 (en) 2002-03-21
DE69525313T2 true DE69525313T2 (en) 2002-11-14

Family

ID=26368430

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69525313T Expired - Lifetime DE69525313T2 (en) 1994-11-24 1995-11-23 Method for reducing mosquito noise generated during image data decoding and device for decoding image data using such a method

Country Status (3)

Country Link
KR (1) KR100217148B1 (en)
DE (1) DE69525313T2 (en)
TW (1) TW279298B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3791003B2 (en) * 2001-05-21 2006-06-28 ソニー株式会社 Image processing apparatus and method, recording medium, and program

Also Published As

Publication number Publication date
TW279298B (en) 1996-06-21
KR100217148B1 (en) 1999-09-01
DE69525313D1 (en) 2002-03-21
KR960020538A (en) 1996-06-17

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