FR2661063B1 - POST-FILTERING METHOD AND DEVICE FOR CODING OF IMAGES BY DISCRETE COSINUS TRANSFORMATION. - Google Patents

POST-FILTERING METHOD AND DEVICE FOR CODING OF IMAGES BY DISCRETE COSINUS TRANSFORMATION.

Info

Publication number
FR2661063B1
FR2661063B1 FR9004812A FR9004812A FR2661063B1 FR 2661063 B1 FR2661063 B1 FR 2661063B1 FR 9004812 A FR9004812 A FR 9004812A FR 9004812 A FR9004812 A FR 9004812A FR 2661063 B1 FR2661063 B1 FR 2661063B1
Authority
FR
France
Prior art keywords
coding
images
post
filtering method
transformation
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
FR9004812A
Other languages
French (fr)
Other versions
FR2661063A1 (en
Inventor
Vial Jean-Francois
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9004812A priority Critical patent/FR2661063B1/en
Publication of FR2661063A1 publication Critical patent/FR2661063A1/en
Application granted granted Critical
Publication of FR2661063B1 publication Critical patent/FR2661063B1/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
    • 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
FR9004812A 1990-04-13 1990-04-13 POST-FILTERING METHOD AND DEVICE FOR CODING OF IMAGES BY DISCRETE COSINUS TRANSFORMATION. Expired - Lifetime FR2661063B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9004812A FR2661063B1 (en) 1990-04-13 1990-04-13 POST-FILTERING METHOD AND DEVICE FOR CODING OF IMAGES BY DISCRETE COSINUS TRANSFORMATION.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9004812A FR2661063B1 (en) 1990-04-13 1990-04-13 POST-FILTERING METHOD AND DEVICE FOR CODING OF IMAGES BY DISCRETE COSINUS TRANSFORMATION.

Publications (2)

Publication Number Publication Date
FR2661063A1 FR2661063A1 (en) 1991-10-18
FR2661063B1 true FR2661063B1 (en) 1992-06-19

Family

ID=9395776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9004812A Expired - Lifetime FR2661063B1 (en) 1990-04-13 1990-04-13 POST-FILTERING METHOD AND DEVICE FOR CODING OF IMAGES BY DISCRETE COSINUS TRANSFORMATION.

Country Status (1)

Country Link
FR (1) FR2661063B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2690299B1 (en) * 1992-04-17 1994-06-17 Telecommunications Sa METHOD AND DEVICE FOR SPATIAL FILTERING OF DIGITAL IMAGES DECODED BY BLOCK TRANSFORMATION.
KR960039992A (en) * 1995-04-29 1996-11-25 배순훈 Blocking phenomenon removal device and video decoder using the same
US6324301B1 (en) 1996-01-24 2001-11-27 Lucent Technologies Inc. Adaptive postfilter for low bitrate visual telephony noise removal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2606187B1 (en) * 1986-10-31 1988-12-09 Thomson Grand Public METHOD AND DEVICE FOR REDUCING THE NOISE GENERATED BY A DIGITAL IMAGE ENCODER-DECODER

Also Published As

Publication number Publication date
FR2661063A1 (en) 1991-10-18

Similar Documents

Publication Publication Date Title
FR2663140B1 (en) CONTROL METHOD AND DEVICE FOR THE FLOW OF SEQUENTIAL INFORMATION.
FR2690299B1 (en) METHOD AND DEVICE FOR SPATIAL FILTERING OF DIGITAL IMAGES DECODED BY BLOCK TRANSFORMATION.
FR2665277B1 (en) APPARATUS AND METHOD FOR ADAPTIVE RENDERING OF DIGITAL IMAGES.
FR2494254B1 (en) DEVICE AND METHOD FOR PRODUCING OZONE
FR2661061B1 (en) METHOD AND DEVICE FOR MODIFYING IMAGE AREA.
FR2557245B1 (en) SEALING METHOD AND DEVICE FOR TREES
FR2639781B1 (en) INTERLEAVING METHOD FOR DIGITAL TRANSMISSION DEVICE
FR2662813B1 (en) PROCESS FOR ACQUIRING ECHOGRAPHY IMAGES.
FR2586120B1 (en) METHOD AND DEVICE FOR SEQUENTIAL IMAGE TRANSFORMATION
FR2722123B1 (en) METHOD AND DEVICE FOR CLEANING ENDOSCOPES
FR2738441B1 (en) IMAGE SIGNAL CODING DEVICE AND METHOD
FR2662817B1 (en) DEVICE AND METHOD FOR MEASURING THE RADIOACTIVITY OF AN ELUTED PRODUCT.
FR2665910B1 (en) ELECTRODEPOSITION METHOD AND DEVICE.
FR2601848B1 (en) DEVICE AND METHOD FOR APPLYING EAR PLATES TO LIVESTOCK.
FR2511706B1 (en) ELECTRODEPOSITION METHOD AND DEVICE
FR2699612B1 (en) METHOD AND DEVICE FOR CONNECTING BY COUPLING PART.
FR2679159B1 (en) HYDROFORMING PROCESS AND DEVICE FOR CARRYING OUT SAID METHOD.
FR2661063B1 (en) POST-FILTERING METHOD AND DEVICE FOR CODING OF IMAGES BY DISCRETE COSINUS TRANSFORMATION.
FR2727276B1 (en) SELF-GUIDING METHOD AND DEVICE FOR SELF-PROPELLED AGRICULTURAL MACHINES
FR2683644B1 (en) METHOD AND DEVICE FOR THE USE OF A REGULATING DEVICE.
FR2683036B1 (en) METHOD AND DEVICE FOR DETERMINING THE ORIENTATION OF A SOLID.
FR2654291B1 (en) METHOD OF TEMPORALLY CREATING COUPLES OF STEREOSCOPIC IMAGES, AND DEVICE USING SUCH A METHOD.
FR2690032B1 (en) TELEVISION ALIGNMENT METHOD AND DEVICE FOR ITS IMPLEMENTATION.
FR2687871B1 (en) FILTERING METHOD AND DEVICE FOR REDUCING PREECHOS OF AN AUDIO-DIGITAL SIGNAL.
FR2665821B1 (en) METHOD AND DEVICE FOR ADJUSTING THE MOISTURE OF THE EARTH IN AGRICULTURE.

Legal Events

Date Code Title Description
TP Transmission of property