CN104871536A - 减少数字视频流中的压缩噪声的方法和设备 - Google Patents
减少数字视频流中的压缩噪声的方法和设备 Download PDFInfo
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- CN104871536A CN104871536A CN201380067950.XA CN201380067950A CN104871536A CN 104871536 A CN104871536 A CN 104871536A CN 201380067950 A CN201380067950 A CN 201380067950A CN 104871536 A CN104871536 A CN 104871536A
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- 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
-
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence 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
- H04N19/85—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
-
- 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
- H04N19/865—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 with detection of the former encoding block subdivision in decompressed video
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/734,667 | 2013-01-04 | ||
| US13/734,667 US20140192266A1 (en) | 2013-01-04 | 2013-01-04 | Method and apparatus of reducing compression noise in digital video streams |
| PCT/US2013/073664 WO2014107264A1 (en) | 2013-01-04 | 2013-12-06 | Method and apparatus of reducing compression noise in digital video streams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104871536A true CN104871536A (zh) | 2015-08-26 |
Family
ID=49885404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380067950.XA Pending CN104871536A (zh) | 2013-01-04 | 2013-12-06 | 减少数字视频流中的压缩噪声的方法和设备 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20140192266A1 (enExample) |
| EP (1) | EP2941870A1 (enExample) |
| JP (1) | JP2016506201A (enExample) |
| KR (1) | KR20150103072A (enExample) |
| CN (1) | CN104871536A (enExample) |
| WO (1) | WO2014107264A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113642611A (zh) * | 2021-07-16 | 2021-11-12 | 重庆邮电大学 | 一种基于多粒度的胎儿心脏超声图像识别方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6328759B2 (ja) * | 2013-07-15 | 2018-05-23 | 寰發股▲ふん▼有限公司HFI Innovation Inc. | ビデオ符号化のサンプル適応オフセット処理の方法 |
| US10181182B2 (en) * | 2014-06-03 | 2019-01-15 | Sony Corporation | Image processing apparatus and image processing method for estimating point spread function |
| US10432952B2 (en) * | 2015-11-19 | 2019-10-01 | Qualcomm Incorporated | System and methods for fixed-point approximations in display stream compression (DSC) |
| GB2557997B (en) * | 2016-12-21 | 2019-05-01 | Apical Ltd | Encoding and Decoding of image data |
| WO2019240630A1 (en) * | 2018-06-13 | 2019-12-19 | Huawei Technologies Co., Ltd. | Intra sharpening and/or de-ringing filter for video coding |
| WO2025063773A1 (ko) * | 2023-09-22 | 2025-03-27 | 인텔렉추얼디스커버리 주식회사 | 영상 처리 방법 및 장치 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080218782A1 (en) * | 2007-03-05 | 2008-09-11 | Fujitsu Limited | Image processing apparatus |
| US20080231753A1 (en) * | 2007-03-23 | 2008-09-25 | Mitsubishi Electric Corporation | Noise reducer for video signals |
| US20090116546A1 (en) * | 2007-11-01 | 2009-05-07 | Gwang Hoon Park | Transcoding apparatus and method between two codecs each including a deblocking filter |
| CN102150426A (zh) * | 2008-09-09 | 2011-08-10 | 马维尔国际贸易有限公司 | 减少数字图像噪声 |
Family Cites Families (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9607668D0 (en) * | 1996-04-12 | 1996-06-12 | Snell & Wilcox Ltd | Video noise reducer |
| US6535254B1 (en) * | 1997-10-31 | 2003-03-18 | Pinnacle Systems Inc. | Method and device for noise reduction |
| US6493039B1 (en) * | 1999-01-19 | 2002-12-10 | Xerox Corporation | Method and apparatus for white noise reduction in video images |
| US7145607B1 (en) * | 1999-11-11 | 2006-12-05 | Stmicroelectronics Asia Pacific Pte. Ltd. | Spatio-temporal video noise reduction system |
| JP3489735B2 (ja) * | 2000-08-16 | 2004-01-26 | 松下電器産業株式会社 | デブロッキングフィルタ演算装置 |
| KR100525785B1 (ko) * | 2001-06-15 | 2005-11-03 | 엘지전자 주식회사 | 이미지 화소 필터링 방법 |
| JP4145586B2 (ja) * | 2001-07-24 | 2008-09-03 | セイコーエプソン株式会社 | 画像処理装置及び画像処理プログラム、並びに画像処理方法 |
| US7050501B2 (en) * | 2002-07-16 | 2006-05-23 | Broadcom Corporation | Digital noise reduction techniques |
| US7295616B2 (en) * | 2003-11-17 | 2007-11-13 | Eastman Kodak Company | Method and system for video filtering with joint motion and noise estimation |
| US20060104351A1 (en) * | 2004-11-15 | 2006-05-18 | Shu-Wen Teng | Video/image processing devices and methods |
| US7515768B2 (en) * | 2004-12-07 | 2009-04-07 | Sony Corporation | Method, and apparatus for processing image, recording medium and computer program |
| US7680355B2 (en) * | 2005-05-02 | 2010-03-16 | Intel Corporation | Detection of artifacts resulting from image signal decompression |
| US7657098B2 (en) * | 2005-05-02 | 2010-02-02 | Samsung Electronics Co., Ltd. | Method and apparatus for reducing mosquito noise in decoded video sequence |
| US7548660B2 (en) * | 2005-09-30 | 2009-06-16 | Intel Corporation | System and method of spatio-temporal edge-preserved filtering techniques to reduce ringing and mosquito noise of digital pictures |
| US7787541B2 (en) * | 2005-10-05 | 2010-08-31 | Texas Instruments Incorporated | Dynamic pre-filter control with subjective noise detector for video compression |
| TWI324013B (en) * | 2006-02-22 | 2010-04-21 | Huper Lab Co Ltd | Video noise reduction method using adaptive spatial and motion-compensation temporal filters |
| US7796834B2 (en) * | 2006-11-16 | 2010-09-14 | Texas Instruments Incorporated | Post-processing technique for noise reduction of DCT-based compressed images |
| AU2006252195B8 (en) * | 2006-12-21 | 2011-02-03 | Canon Kabushiki Kaisha | MPEG noise reduction |
| US7925086B2 (en) * | 2007-01-18 | 2011-04-12 | Samsung Electronics Co, Ltd. | Method and system for adaptive quantization layer reduction in image processing applications |
| US8189946B2 (en) * | 2007-01-24 | 2012-05-29 | Canon Kabushiki Kaisha | Image processing apparatus and method thereof for detecting and removing noise in decoded images |
| US8073276B2 (en) * | 2007-04-10 | 2011-12-06 | Vivante Corporation | De-ringing filter for decompressed video data |
| JP4609457B2 (ja) * | 2007-06-14 | 2011-01-12 | ソニー株式会社 | 画像処理装置、及び、画像処理方法 |
| WO2009044549A1 (ja) * | 2007-10-03 | 2009-04-09 | Panasonic Corporation | ブロック歪みを減少させる方法および装置 |
| US20110255606A1 (en) * | 2008-09-04 | 2011-10-20 | Ojo Olukayode A | Spatial noise reduction circuit and approach therefor |
| US8558875B2 (en) * | 2008-09-29 | 2013-10-15 | Panasonic Corporation | Video signal processing device |
| GB2465158A (en) * | 2008-11-05 | 2010-05-12 | Sony Corp | Image data filtering |
| US8279345B2 (en) * | 2009-07-21 | 2012-10-02 | Qualcomm Incorporated | System and method for random noise estimation in a sequence of images |
| US8743287B2 (en) * | 2009-07-24 | 2014-06-03 | Broadcom Corporation | Method and system for mitigating motion trail artifacts and improving low contrast contours in temporal filtering based noise reduction |
| US8885969B2 (en) * | 2010-03-29 | 2014-11-11 | Sony Corporation | Method and apparatus for detecting coding artifacts in an image |
| US8670073B2 (en) * | 2010-08-02 | 2014-03-11 | Broadcom Corporation | Method and system for video noise filtering |
| US8773593B2 (en) * | 2011-01-03 | 2014-07-08 | Arm Limited | Noise reduction filter circuitry and method |
| US8792549B2 (en) * | 2011-02-28 | 2014-07-29 | Sony Corporation | Decoder-derived geometric transformations for motion compensated inter prediction |
| US20130101027A1 (en) * | 2011-06-20 | 2013-04-25 | Matthias Narroschke | Deblocking control by individual quantization parameters |
| US8805114B2 (en) * | 2012-11-27 | 2014-08-12 | Texas Instruments Incorporated | Content adaptive edge and detail enhancement for image and video processing |
| BR112015011917A2 (pt) * | 2012-11-30 | 2017-07-11 | Sony Corp | aparelho e método de processamento de imagem |
| JP6300576B2 (ja) * | 2013-05-02 | 2018-03-28 | キヤノン株式会社 | 画像処理装置及び画像処理方法 |
| US9118932B2 (en) * | 2013-06-14 | 2015-08-25 | Nvidia Corporation | Adaptive filtering mechanism to remove encoding artifacts in video data |
-
2013
- 2013-01-04 US US13/734,667 patent/US20140192266A1/en not_active Abandoned
- 2013-12-06 EP EP13814701.2A patent/EP2941870A1/en not_active Withdrawn
- 2013-12-06 KR KR1020157019602A patent/KR20150103072A/ko not_active Withdrawn
- 2013-12-06 CN CN201380067950.XA patent/CN104871536A/zh active Pending
- 2013-12-06 JP JP2015551684A patent/JP2016506201A/ja active Pending
- 2013-12-06 WO PCT/US2013/073664 patent/WO2014107264A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080218782A1 (en) * | 2007-03-05 | 2008-09-11 | Fujitsu Limited | Image processing apparatus |
| US20080231753A1 (en) * | 2007-03-23 | 2008-09-25 | Mitsubishi Electric Corporation | Noise reducer for video signals |
| US20090116546A1 (en) * | 2007-11-01 | 2009-05-07 | Gwang Hoon Park | Transcoding apparatus and method between two codecs each including a deblocking filter |
| CN102150426A (zh) * | 2008-09-09 | 2011-08-10 | 马维尔国际贸易有限公司 | 减少数字图像噪声 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113642611A (zh) * | 2021-07-16 | 2021-11-12 | 重庆邮电大学 | 一种基于多粒度的胎儿心脏超声图像识别方法 |
| CN113642611B (zh) * | 2021-07-16 | 2024-04-12 | 重庆邮电大学 | 一种基于多粒度的胎儿心脏超声图像识别方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140192266A1 (en) | 2014-07-10 |
| EP2941870A1 (en) | 2015-11-11 |
| KR20150103072A (ko) | 2015-09-09 |
| JP2016506201A (ja) | 2016-02-25 |
| WO2014107264A1 (en) | 2014-07-10 |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150826 |
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| WD01 | Invention patent application deemed withdrawn after publication |