FI103003B1 - Suodatusmenetelmä, suodatin ja matkaviestinpääte - Google Patents

Suodatusmenetelmä, suodatin ja matkaviestinpääte

Info

Publication number
FI103003B1
FI103003B1 FI972508A FI972508A FI103003B1 FI 103003 B1 FI103003 B1 FI 103003B1 FI 972508 A FI972508 A FI 972508A FI 972508 A FI972508 A FI 972508A FI 103003 B1 FI103003 B1 FI 103003B1
Authority
FI
Finland
Prior art keywords
filter
mobile terminal
filtering procedure
filtering
procedure
Prior art date
Application number
FI972508A
Other languages
English (en)
Swedish (sv)
Other versions
FI972508A0 (fi
FI103003B (fi
FI972508A (fi
Inventor
Markku Vehvilaeinen
Original Assignee
Nokia Mobile Phones 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
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI972508A priority Critical patent/FI103003B/fi
Publication of FI972508A0 publication Critical patent/FI972508A0/fi
Publication of FI972508A publication Critical patent/FI972508A/fi
Application granted granted Critical
Publication of FI103003B publication Critical patent/FI103003B/fi
Publication of FI103003B1 publication Critical patent/FI103003B1/fi

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/527Global motion vector estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
FI972508A 1997-06-13 1997-06-13 Suodatusmenetelmä, suodatin ja kannettava päätelaite FI103003B (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI972508A FI103003B (fi) 1997-06-13 1997-06-13 Suodatusmenetelmä, suodatin ja kannettava päätelaite

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI972508A FI103003B (fi) 1997-06-13 1997-06-13 Suodatusmenetelmä, suodatin ja kannettava päätelaite
DE1998625220 DE69825220T2 (de) 1997-06-13 1998-05-22 Filterverfahren, Filter und Mobilendgerät
EP19980660050 EP0884911B1 (en) 1997-06-13 1998-05-22 Filtering method, filter and mobile terminal
US09/094,177 US6504873B1 (en) 1997-06-13 1998-06-09 Filtering based on activities inside the video blocks and at their boundary

Publications (4)

Publication Number Publication Date
FI972508A0 FI972508A0 (fi) 1997-06-13
FI972508A FI972508A (fi) 1998-12-14
FI103003B FI103003B (fi) 1999-03-31
FI103003B1 true FI103003B1 (fi) 1999-03-31

Family

ID=8549042

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972508A FI103003B (fi) 1997-06-13 1997-06-13 Suodatusmenetelmä, suodatin ja kannettava päätelaite

Country Status (4)

Country Link
US (1) US6504873B1 (fi)
EP (1) EP0884911B1 (fi)
DE (1) DE69825220T2 (fi)
FI (1) FI103003B (fi)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106071B (fi) * 1997-03-13 2000-11-15 Nokia Mobile Phones Ltd Mukautuva suodatin
US6594400B1 (en) * 1998-08-31 2003-07-15 Lg Electronics Inc. Method of removing block phenomenon and ring phenomenon in compression coded image
US6687388B2 (en) * 2000-01-28 2004-02-03 Sony Corporation Picture processing apparatus
FI117533B (fi) 2000-01-20 2006-11-15 Nokia Corp Menetelmä digitaalisten videokuvien suodattamiseksi
US7203234B1 (en) * 2000-03-31 2007-04-10 Sharp Laboratories Of America, Inc. Method of directional filtering for post-processing compressed video
US7031393B2 (en) * 2000-10-20 2006-04-18 Matsushita Electric Industrial Co., Ltd. Block distortion detection method, block distortion detection apparatus, block distortion removal method, and block distortion removal apparatus
JP4688279B2 (ja) 2000-11-21 2011-05-25 富士通株式会社 動画像の空間解像度自動設定方法及び装置
US20020061062A1 (en) * 2000-11-22 2002-05-23 O'brien Royal Filtering system and method for digital interactive streams
US20020172431A1 (en) * 2001-03-07 2002-11-21 Atkins C. Brian Digital image appearance enhancement and compressibility improvement method and system
CN1220391C (zh) * 2001-06-29 2005-09-21 株式会社Ntt都科摩 图像编码装置、图像译码装置、图像编码方法和图像译码方法
US7003174B2 (en) 2001-07-02 2006-02-21 Corel Corporation Removal of block encoding artifacts
WO2003021936A2 (en) * 2001-09-05 2003-03-13 Emblaze Semi Conductor Ltd Method for reducing blocking artifacts
US7543326B2 (en) * 2002-06-10 2009-06-02 Microsoft Corporation Dynamic rate control
US20030235250A1 (en) 2002-06-24 2003-12-25 Ankur Varma Video deblocking
US7463688B2 (en) * 2003-01-16 2008-12-09 Samsung Electronics Co., Ltd. Methods and apparatus for removing blocking artifacts of MPEG signals in real-time video reception
US7212571B2 (en) * 2003-01-31 2007-05-01 Seiko Epson Corporation Method and apparatus for DCT domain filtering for block based encoding
CN1795665B (zh) * 2003-05-27 2013-01-09 株式会社尼康 图像处理装置与图像处理程序
US20050013494A1 (en) * 2003-07-18 2005-01-20 Microsoft Corporation In-loop deblocking filter
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US20050137911A1 (en) * 2003-12-18 2005-06-23 Conn John P. Systems and methods for data insurance
US20060034531A1 (en) * 2004-05-10 2006-02-16 Seiko Epson Corporation Block noise level evaluation method for compressed images and control method of imaging device utilizing the evaluation method
US20060059514A1 (en) * 2004-09-10 2006-03-16 Eric Hsiao Method and apparatus for utilizing blank space on a high definition television screen
US7697782B2 (en) * 2004-09-16 2010-04-13 Sharp Laboratories Of America, Inc. System for reducing ringing artifacts
US7136536B2 (en) * 2004-12-22 2006-11-14 Telefonaktiebolaget L M Ericsson (Publ) Adaptive filter
US20060171466A1 (en) * 2005-01-28 2006-08-03 Brian Schoner Method and system for mosquito noise reduction
US8254462B2 (en) * 2005-01-28 2012-08-28 Broadcom Corporation Method and system for block noise reduction
US7822277B2 (en) * 2005-08-31 2010-10-26 Ati Technologies Ulc Method and apparatus for communicating compressed video information
US20080084932A1 (en) * 2006-10-06 2008-04-10 Microsoft Corporation Controlling loop filtering for interlaced video frames
JP5150224B2 (ja) * 2006-11-29 2013-02-20 パナソニック株式会社 画像処理方法および画像処理装置
EP2197214A4 (en) * 2007-10-03 2010-12-29 Panasonic Corp Method and device for reducing block distortion
US9247265B2 (en) * 2010-09-01 2016-01-26 Qualcomm Incorporated Multi-input adaptive filter based on combination of sum-modified Laplacian filter indexing and quadtree partitioning
US9819966B2 (en) 2010-09-01 2017-11-14 Qualcomm Incorporated Filter description signaling for multi-filter adaptive filtering
US8787443B2 (en) 2010-10-05 2014-07-22 Microsoft Corporation Content adaptive deblocking during video encoding and decoding
JP2012191250A (ja) * 2011-03-08 2012-10-04 Sony Corp 画像処理装置、画像処理方法、およびプログラム
US9042458B2 (en) 2011-04-01 2015-05-26 Microsoft Technology Licensing, Llc Multi-threaded implementations of deblock filtering
KR102039544B1 (ko) 2011-09-09 2019-11-01 선 페이턴트 트러스트 저복잡도 디블로킹 필터 결정
US9628789B2 (en) * 2011-11-18 2017-04-18 Qualcomm Incorporated Reference mode selection in intra mode coding
US20140079135A1 (en) * 2012-09-14 2014-03-20 Qualcomm Incoporated Performing quantization to facilitate deblocking filtering
EP3036903A4 (en) * 2013-10-25 2016-11-09 Mediatek Inc Method and apparatus for controlling transmission of compressed picture according to transmission synchronization events
US10291931B2 (en) * 2016-10-13 2019-05-14 Ati Technologies Ulc Determining variance of a block of an image based on a motion vector for the block
US20190342549A1 (en) * 2017-01-11 2019-11-07 Telefonaktiebolaget Lm Ericsson (Publ) Encoder and decoder and methods thereof
WO2019129509A1 (en) * 2017-12-29 2019-07-04 Telefonaktiebolaget Lm Ericsson (Publ) Methods providing encoding and/or decoding of video using reference values and related devices

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754492A (en) * 1985-06-03 1988-06-28 Picturetel Corporation Method and system for adapting a digitized signal processing system for block processing with minimal blocking artifacts
US4941043A (en) * 1988-06-14 1990-07-10 Siemens Aktiengesellschaft Method for reducing blocking artifacts in video scene coding with discrete cosine transformation (DCT) at a low data rate
US5229864A (en) * 1990-04-16 1993-07-20 Fuji Photo Film Co., Ltd. Device for regenerating a picture signal by decoding
US5337088A (en) * 1991-04-18 1994-08-09 Matsushita Electric Industrial Co. Ltd. Method of correcting an image signal decoded in block units
US5561723A (en) 1992-03-09 1996-10-01 Tektronix, Inc. Localized image compression calculation method and apparatus to control anti-aliasing filtering in 3-D manipulation of 2-D video images
FR2690299B1 (fr) * 1992-04-17 1994-06-17 Telecommunications Sa Procede et dispositif de filtrage spatial d'images numeriques decodees par transformation par bloc.
US5367385A (en) * 1992-05-07 1994-11-22 Picturetel Corporation Method and apparatus for processing block coded image data to reduce boundary artifacts between adjacent image blocks
DE4305911A1 (de) 1993-02-26 1994-09-01 Philips Patentverwaltung Videodecoder mit einer Steuereinheit
JP3992303B2 (ja) 1995-06-22 2007-10-17 ソニー株式会社 信号圧縮装置と信号伸長装置および信号圧縮方法と信号伸長方法
EP0772365A3 (en) * 1995-11-02 1999-05-12 Matsushita Electric Industrial Co., Ltd. Method and device for filtering a picture signal, and encoding/decoding using the same
JP2723867B2 (ja) 1995-11-24 1998-03-09 日本電気アイシーマイコンシステム株式会社 画像信号復号化装置
DE19605418B4 (de) 1996-02-14 2014-11-20 Ipcom Gmbh & Co. Kg Verfahren zur Aufbereitung von Daten, insbesondere für die Übertragung mit veränderlicher Kanalbitrate
PL183094B1 (xx) * 1996-03-28 2002-05-31 Koninklijke Philips Electronics N.V. Sposób i urządzenie do dekodowania obrazów

Also Published As

Publication number Publication date
DE69825220D1 (de) 2004-09-02
FI103003B (fi) 1999-03-31
DE69825220T2 (de) 2004-12-30
EP0884911B1 (en) 2004-07-28
US6504873B1 (en) 2003-01-07
FI972508A (fi) 1998-12-14
FI972508D0 (fi)
EP0884911A1 (en) 1998-12-16
FI972508A0 (fi) 1997-06-13

Similar Documents

Publication Publication Date Title
GB2309843B (en) Mobile telephone system
DE69836772D1 (de) Mobile Fernsprechgeräte
GB2321816B (en) Loop filter and loop filtering method
GB2296626B (en) Multi-mode radio telephone
DE69833166D1 (de) Digitales Kommunikationssystem und -verfahren
FR2764145B1 (fr) Appareils pour filtrer les radiotelephones
DE69840660D1 (de) Mobiles Kommunikationssystem und mobiles Kommunikationsverfahren dafür
DE69824042D1 (de) Filteranlage
DE69923714D1 (de) Zusammenlegbarer filter
DE69830340D1 (de) Gefässfilter
DE69815449D1 (de) Filtrierendes Kosmetisches Mittel
DE69828814D1 (de) Vaskulärer filter
DE69839923D1 (de) Verfahren und anordnung in funkkommunikationsnetzen
HUT77306A (hu) Kapcsolóhálózat távközlési rendszerhez és távközlési rendszer
GB2330965B (en) Mobile radio terminal device
DE69824052D1 (de) Filtersieb
BR9701573A (pt) Processo de comunicaçao entre pelo menos um terminal sem fio e sistema de comunicaçao sem fio e proceso para determinaçao de pelo menos um parâmetro de organizaçao de sistema de comunicaçao sem fio
GB9719584D0 (en) Mobile radio telephone
DE69838527D1 (de) Mobiles Kommunikationsendgerät mit Berührungseingabefeld
DE69532597D1 (de) Mobiles Kommunikationssystem und Verfahren hierfür
DE69738027D1 (de) Mobile Kommunkationsanordnung
GB9405659D0 (en) Multi-mode radio telephone
DE60131058D1 (de) Endgerät und Mediakommunikationssystem
EP1122807A4 (en) Dielectric resonator and dielectric filter
DE69535395D1 (de) Nachrichtenfiltertechniken