ITVA20060060A1 - Metodo e relativo dispositivo per stimare il livello di rumore gaussiano bianco che corrompe un'immagine digitale - Google Patents
Metodo e relativo dispositivo per stimare il livello di rumore gaussiano bianco che corrompe un'immagine digitaleInfo
- Publication number
- ITVA20060060A1 ITVA20060060A1 IT000060A ITVA20060060A ITVA20060060A1 IT VA20060060 A1 ITVA20060060 A1 IT VA20060060A1 IT 000060 A IT000060 A IT 000060A IT VA20060060 A ITVA20060060 A IT VA20060060A IT VA20060060 A1 ITVA20060060 A1 IT VA20060060A1
- Authority
- IT
- Italy
- Prior art keywords
- digital image
- noise level
- corrompers
- estimate
- white noise
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/30—Noise filtering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20021—Dividing image into blocks, subimages or windows
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Image Processing (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000060A ITVA20060060A1 (it) | 2006-10-06 | 2006-10-06 | Metodo e relativo dispositivo per stimare il livello di rumore gaussiano bianco che corrompe un'immagine digitale |
US11/868,358 US8224109B2 (en) | 2006-10-06 | 2007-10-05 | Method and relative device for estimating white gaussian noise that corrupts a digital image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000060A ITVA20060060A1 (it) | 2006-10-06 | 2006-10-06 | Metodo e relativo dispositivo per stimare il livello di rumore gaussiano bianco che corrompe un'immagine digitale |
Publications (1)
Publication Number | Publication Date |
---|---|
ITVA20060060A1 true ITVA20060060A1 (it) | 2008-04-07 |
Family
ID=39274992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT000060A ITVA20060060A1 (it) | 2006-10-06 | 2006-10-06 | Metodo e relativo dispositivo per stimare il livello di rumore gaussiano bianco che corrompe un'immagine digitale |
Country Status (2)
Country | Link |
---|---|
US (1) | US8224109B2 (it) |
IT (1) | ITVA20060060A1 (it) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8199215B2 (en) * | 2007-12-20 | 2012-06-12 | Nxp B.V. | Image filtering |
KR101517768B1 (ko) | 2008-07-02 | 2015-05-06 | 삼성전자주식회사 | 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
CN102215757A (zh) * | 2008-10-01 | 2011-10-12 | 罗切斯特大学 | 用于减少探针阵列中的表面形态异常的非亲核添加剂的用途 |
TWI488143B (zh) * | 2009-12-02 | 2015-06-11 | Acer Inc | 影像修復方法 |
US9401124B2 (en) * | 2009-12-04 | 2016-07-26 | Thomson Licensing | Rendering method |
US8977049B2 (en) * | 2010-01-08 | 2015-03-10 | Nvidia Corporation | System and method for estimating signal-dependent noise of an image |
US20120133836A1 (en) * | 2010-11-29 | 2012-05-31 | Stmicroelectronics Asia Pacific Pte. Ltd. | Frame level quantization estimation |
IT1404810B1 (it) * | 2011-01-26 | 2013-11-29 | St Microelectronics Srl | Riconoscimento di texture nell'elaborazione di immagini |
US8565482B2 (en) * | 2011-02-28 | 2013-10-22 | Seiko Epson Corporation | Local difference pattern based local background modeling for object detection |
US8675971B2 (en) * | 2011-03-25 | 2014-03-18 | Aptina Imaging Corporation | Method and apparatus for classifying image pixels |
CN102663686B (zh) * | 2012-03-19 | 2015-02-18 | 西安电子科技大学 | 基于Treelet变换和高斯尺度混合模型的图像去噪方法 |
US8976298B2 (en) | 2013-04-05 | 2015-03-10 | Altera Corporation | Efficient 2D adaptive noise thresholding for video processing |
US8704951B1 (en) * | 2013-04-05 | 2014-04-22 | Altera Corporation | Efficient 2D adaptive noise thresholding for video processing |
CN104217416B (zh) * | 2013-05-31 | 2017-09-15 | 富士通株式会社 | 灰度图像处理方法及其装置 |
WO2015013722A1 (en) | 2013-07-26 | 2015-01-29 | Li-Cor, Inc. | Systems and methods for setting initial display settings |
US9384538B2 (en) | 2013-07-26 | 2016-07-05 | Li-Cor, Inc. | Adaptive noise filter |
US10395350B2 (en) | 2013-07-26 | 2019-08-27 | Li-Cor, Inc. | Adaptive background detection and signal quantification systems and methods |
US10313565B2 (en) | 2014-06-26 | 2019-06-04 | Integrated Device Technology, Inc. | Methods and apparatuses for edge preserving and/or edge enhancing spatial filter |
US10027986B2 (en) * | 2014-09-24 | 2018-07-17 | Integrated Device Technology, Inc. | Apparatuses and methods for filtering noise from a video signal |
CN104504700B (zh) * | 2014-12-19 | 2017-12-26 | 成都品果科技有限公司 | 一种获取图像传感器噪声水平曲线的方法及*** |
US10057601B2 (en) | 2015-06-22 | 2018-08-21 | Integrated Device Technology, Inc. | Methods and apparatuses for filtering of ringing artifacts post decoding |
US10257449B2 (en) * | 2016-01-05 | 2019-04-09 | Nvidia Corporation | Pre-processing for video noise reduction |
CN108169175B (zh) * | 2016-12-08 | 2022-07-26 | 松下知识产权经营株式会社 | 光检测*** |
US11308584B2 (en) | 2017-12-04 | 2022-04-19 | Google Llc | Method and apparatus for denoising video content |
WO2021236070A1 (en) * | 2020-05-19 | 2021-11-25 | Google Llc | Adaptive wavelet denoising |
CN113129235A (zh) * | 2021-04-22 | 2021-07-16 | 深圳市深图医学影像设备有限公司 | 一种医学图像噪声抑制算法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5799111A (en) * | 1991-06-14 | 1998-08-25 | D.V.P. Technologies, Ltd. | Apparatus and methods for smoothing images |
EP0639818B1 (en) * | 1993-08-16 | 1997-01-22 | Agfa-Gevaert N.V. | Method and apparatus for monitoring the sensitivity of a system for reading a radiation image stored in a photostimulable phosphor screen |
FR2737034A1 (fr) * | 1995-07-21 | 1997-01-24 | Philips Electronique Lab | Procede de traitement spatial d'une image numerique pour la reduction du bruit, et dispositif mettant en oeuvre ce procede |
JP4344964B2 (ja) * | 1999-06-01 | 2009-10-14 | ソニー株式会社 | 画像処理装置および画像処理方法 |
US6972868B1 (en) * | 2000-11-09 | 2005-12-06 | Hewlett-Packard Development Company, L.P. | Image data compression method |
US7362915B2 (en) * | 2002-02-22 | 2008-04-22 | Agfa Healthcare, Nv | Method for enhancing the contrast of an image |
DE60224035D1 (de) * | 2002-08-23 | 2008-01-24 | St Microelectronics Srl | Verfahren zur Rauschfilterung einer numerischen Bildfolge |
US7139035B2 (en) * | 2002-12-30 | 2006-11-21 | Texas Instruments Incorporated | Video noise floor estimator with impulse noise detection |
KR100670003B1 (ko) * | 2004-12-28 | 2007-01-19 | 삼성전자주식회사 | 적응형 문턱치를 이용한 영상의 평탄 영역 검출장치 및 그방법 |
ATE530015T1 (de) * | 2005-01-18 | 2011-11-15 | Lg Electronics Inc | Anordnung zur entfernung von rauschen aus einem videosignal |
CN101213574A (zh) * | 2005-06-07 | 2008-07-02 | 汤姆逊许可公司 | 静态图像、视频以及影片基于内容的高斯降噪 |
JP5330246B2 (ja) * | 2006-09-29 | 2013-10-30 | トムソン ライセンシング | 適応ピクセルベースのフィルタリングのための自動パラメータ推定 |
US20080205786A1 (en) * | 2006-12-13 | 2008-08-28 | Zhang Young | Method and system for filtering images in video coding |
-
2006
- 2006-10-06 IT IT000060A patent/ITVA20060060A1/it unknown
-
2007
- 2007-10-05 US US11/868,358 patent/US8224109B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20080085060A1 (en) | 2008-04-10 |
US8224109B2 (en) | 2012-07-17 |
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