ES2459890R1 - Método de predicción intra, y codificador y descodificador que lo usan - Google Patents

Método de predicción intra, y codificador y descodificador que lo usan Download PDF

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Publication number
ES2459890R1
ES2459890R1 ES201390088A ES201390088A ES2459890R1 ES 2459890 R1 ES2459890 R1 ES 2459890R1 ES 201390088 A ES201390088 A ES 201390088A ES 201390088 A ES201390088 A ES 201390088A ES 2459890 R1 ES2459890 R1 ES 2459890R1
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Spain
Prior art keywords
prediction
intra
prediction mode
decoder
encoder
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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.)
Granted
Application number
ES201390088A
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English (en)
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ES2459890B2 (es
ES2459890A2 (es
Inventor
Joonyoung Park
Seungwook Park
Jaehyun Lim
Jungsun KIM
Younghee CHOI
Byeongmoon Jeon
Yongjoon Jeon
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LG Electronics Inc
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LG Electronics Inc
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Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority claimed from PCT/KR2012/003093 external-priority patent/WO2012148138A2/ko
Publication of ES2459890A2 publication Critical patent/ES2459890A2/es
Publication of ES2459890R1 publication Critical patent/ES2459890R1/es
Application granted granted Critical
Publication of ES2459890B2 publication Critical patent/ES2459890B2/es
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation

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

Abstract

La presente invención se refiere a un método de predicción intra y a un codificador y descodificador que lo usan. El método de predicción intra según una realización de la presente invención incluye los pasos de: derivar un modo de predicción de un bloque actual; y generar un bloque de predicción con respecto al bloque actual en base al modo de predicción del bloque actual. Cuando el modo de predicción del bloque actual es un modo de predicción intra-angular, los valores de las muestras de límite de entre las muestras de límite izquierdo y las muestras de límite superior de la predicción bloque, que no están colocadas en una dirección de predicción del modo de predicción intra-angular, se derivan en base a muestras de referencia colocadas en la dirección de predicción del modo de predicción intra-angular, y en base a las muestras de referencia adyacentes.
ES201390088A 2011-04-25 2012-04-20 Método de predicción intra, y codificador y descodificador que lo usan Active ES2459890B2 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161047891P 2011-04-25 2011-04-25
US61/47891 2011-04-25
PCT/KR2012/003093 WO2012148138A2 (ko) 2011-04-25 2012-04-20 인트라 예측 방법과 이를 이용한 부호화기 및 복호화기

Publications (3)

Publication Number Publication Date
ES2459890A2 ES2459890A2 (es) 2014-05-12
ES2459890R1 true ES2459890R1 (es) 2014-12-09
ES2459890B2 ES2459890B2 (es) 2015-06-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
ES201390088A Active ES2459890B2 (es) 2011-04-25 2012-04-20 Método de predicción intra, y codificador y descodificador que lo usan

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ES (1) ES2459890B2 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10939096B2 (en) * 2016-05-05 2021-03-02 Interdigital Madison Patent Holdings, Sas Control-point based intra direction representation for intra coding

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070133891A1 (en) * 2005-12-12 2007-06-14 Samsung Electronics Co., Ltd. Method and device for intra prediction coding and decoding of image
US20090110070A1 (en) * 2007-10-30 2009-04-30 Masashi Takahashi Image encoding device and encoding method, and image decoding device and decoding method
US20090225834A1 (en) * 2008-03-05 2009-09-10 Samsung Electronics Co., Ltd. Method and apparatus for image intra prediction
US20090296812A1 (en) * 2008-05-28 2009-12-03 Korea Polytechnic University Industry Academic Cooperation Foundation Fast encoding method and system using adaptive intra prediction
US20110038414A1 (en) * 2009-08-17 2011-02-17 Samsung Electronics Co., Ltd. Method and apparatus for encoding video, and method and apparatus for decoding video

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070133891A1 (en) * 2005-12-12 2007-06-14 Samsung Electronics Co., Ltd. Method and device for intra prediction coding and decoding of image
US20090110070A1 (en) * 2007-10-30 2009-04-30 Masashi Takahashi Image encoding device and encoding method, and image decoding device and decoding method
US20090225834A1 (en) * 2008-03-05 2009-09-10 Samsung Electronics Co., Ltd. Method and apparatus for image intra prediction
US20090296812A1 (en) * 2008-05-28 2009-12-03 Korea Polytechnic University Industry Academic Cooperation Foundation Fast encoding method and system using adaptive intra prediction
US20110038414A1 (en) * 2009-08-17 2011-02-17 Samsung Electronics Co., Ltd. Method and apparatus for encoding video, and method and apparatus for decoding video

Also Published As

Publication number Publication date
ES2459890B2 (es) 2015-06-05
ES2459890A2 (es) 2014-05-12

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