DE60031079D1 - Oberwellenmessung von Blockartefakten in Videosignalen - Google Patents
Oberwellenmessung von Blockartefakten in VideosignalenInfo
- Publication number
- DE60031079D1 DE60031079D1 DE60031079T DE60031079T DE60031079D1 DE 60031079 D1 DE60031079 D1 DE 60031079D1 DE 60031079 T DE60031079 T DE 60031079T DE 60031079 T DE60031079 T DE 60031079T DE 60031079 D1 DE60031079 D1 DE 60031079D1
- Authority
- DE
- Germany
- Prior art keywords
- video signals
- block artifacts
- harmonic measurement
- harmonic
- measurement
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
-
- 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
- H04N19/527—Global motion vector estimation
-
- 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
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US469927 | 1999-12-22 | ||
US09/469,927 US6437821B1 (en) | 1999-12-22 | 1999-12-22 | Harmonic measurement of blockiness in video signals |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60031079D1 true DE60031079D1 (de) | 2006-11-16 |
DE60031079T2 DE60031079T2 (de) | 2007-04-05 |
Family
ID=23865584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60031079T Expired - Fee Related DE60031079T2 (de) | 1999-12-22 | 2000-12-18 | Oberwellenmessung von Blockartefakten in Videosignalen |
Country Status (6)
Country | Link |
---|---|
US (1) | US6437821B1 (de) |
EP (1) | EP1111928B1 (de) |
JP (1) | JP3504609B2 (de) |
KR (1) | KR100680922B1 (de) |
CN (1) | CN1175678C (de) |
DE (1) | DE60031079T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6671409B1 (en) * | 2000-03-03 | 2003-12-30 | Tektronix, Inc. | Blockiness period detection of DCT-based codecs |
FR2830402A1 (fr) * | 2001-10-02 | 2003-04-04 | Thomson Licensing Sa | Systeme et procede pour tester la conformite d'un dispositif de decodage numerique |
US7102667B2 (en) * | 2002-03-18 | 2006-09-05 | Tektronix, Inc. | Picture quality diagnostics for revealing cause of perceptible impairments |
FR2847411B1 (fr) * | 2002-11-15 | 2005-01-14 | Telediffusion De France Tdf | Procede et systeme de mesure des degradations d'une image video introduites par un codage a reduction de debit |
GB2405281A (en) * | 2003-08-19 | 2005-02-23 | Snell & Wilcox Ltd | Format conversion using colourimetric components |
US8488915B2 (en) * | 2006-05-01 | 2013-07-16 | Georgia Tech Research Corporation | Automatic video quality measurement system and method based on spatial-temporal coherence metrics |
WO2007130425A2 (en) * | 2006-05-01 | 2007-11-15 | Georgia Tech Research Corporation | Expert system and method for elastic encoding of video according to regions of interest |
CN101682768B (zh) * | 2007-04-09 | 2013-07-10 | 特克特朗尼克公司 | 用于空间隔离的伪影剖析、分类和测量的系统和方法 |
US9131213B2 (en) * | 2007-09-07 | 2015-09-08 | Evertz Microsystems Ltd. | Method of generating a blockiness indicator for a video signal |
US8279259B2 (en) * | 2009-09-24 | 2012-10-02 | Microsoft Corporation | Mimicking human visual system in detecting blockiness artifacts in compressed video streams |
US8335401B2 (en) | 2010-04-09 | 2012-12-18 | Dialogic Corporation | Blind blocking artifact measurement approaches for digital imagery |
WO2012014021A1 (en) * | 2010-07-28 | 2012-02-02 | Marvell World Trade Ltd. | Block compression artifact detection in digital video signals |
US9071825B2 (en) * | 2012-04-24 | 2015-06-30 | Tektronix, Inc. | Tiling or blockiness detection based on spectral power signature |
IN2013MU01146A (de) * | 2013-03-26 | 2015-04-24 | Tektronix Inc |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6119083A (en) * | 1996-02-29 | 2000-09-12 | British Telecommunications Public Limited Company | Training process for the classification of a perceptual signal |
GB9712645D0 (en) * | 1997-06-18 | 1997-08-20 | Nds Ltd | Improvements in or relating to image processing |
GB2347811B (en) | 1998-12-24 | 2002-11-13 | Independent Television Commiss | Apparatus and method for processing video images |
-
1999
- 1999-12-22 US US09/469,927 patent/US6437821B1/en not_active Expired - Fee Related
-
2000
- 2000-11-28 KR KR1020000071205A patent/KR100680922B1/ko not_active IP Right Cessation
- 2000-12-06 JP JP2000371943A patent/JP3504609B2/ja not_active Expired - Fee Related
- 2000-12-18 EP EP00311329A patent/EP1111928B1/de not_active Expired - Lifetime
- 2000-12-18 DE DE60031079T patent/DE60031079T2/de not_active Expired - Fee Related
- 2000-12-21 CN CNB001364820A patent/CN1175678C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2001218233A (ja) | 2001-08-10 |
EP1111928A1 (de) | 2001-06-27 |
KR100680922B1 (ko) | 2007-02-08 |
US6437821B1 (en) | 2002-08-20 |
CN1309506A (zh) | 2001-08-22 |
KR20010061979A (ko) | 2001-07-07 |
DE60031079T2 (de) | 2007-04-05 |
EP1111928B1 (de) | 2006-10-04 |
JP3504609B2 (ja) | 2004-03-08 |
CN1175678C (zh) | 2004-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60006674D1 (de) | Verminderung von signalverzerrungen | |
DE60039376D1 (de) | Verringerung der Abtastfrequenz mittels Beseitigung von Bildelementen | |
DE69939575D1 (de) | Entdeckung von Diensten in unmittelbarer Nähe | |
DE69928195D1 (de) | Komplettierung von Untrerdruck-Bohrlöchern | |
DE60017103D1 (de) | Bestimmung der orientierung von elektrokardiogramm-signalen | |
DE60026649D1 (de) | Anzeigegerät | |
DE60031818D1 (de) | Anzeigegerät | |
DE60028307D1 (de) | Eliminierung von interferenzsignalen | |
EE200200286A (et) | Uued aminopropüülfosfiinhapped ning nende kasutamine | |
DE60031079D1 (de) | Oberwellenmessung von Blockartefakten in Videosignalen | |
DE69910837D1 (de) | Beseitigung von tonerkennung | |
DE69714613D1 (de) | Magneto-Impedanz-Sensor | |
NO20015757D0 (no) | Felles salt av amlopidin og atorvastatin | |
FI964309A (fi) | Huonojen kehysten havannointi | |
NO954975D0 (no) | Aromatisk substituerte w-amino-alkansyreamider og alkansyrediamider | |
PT1207757E (pt) | Formulacoes de spinosins em suspensao aquosa ectoparasiticidas | |
DE69818751D1 (de) | Dekompression von interpolierten Bildern | |
DE69821998D1 (de) | Verringerung von geistartefakten | |
DE60029728D1 (de) | Detektion von Gauss-Geräusch in Videosignalen | |
DE60044322D1 (de) | Anzeige | |
ATE254929T1 (de) | Oralverabreichbare lösung von prucaloprid | |
ID30131A (id) | Penggunaan zat penurun kolesterol | |
DE60003667D1 (de) | Förderung der bildung von dialkyldihalosilanen in der direktsynthese | |
DE60022125D1 (de) | Tiefstkühlen von Waren | |
DE69925392D1 (de) | Abtastprüfung von Vorrichtungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |