BR112014031268A2 - método para transformar um descritor de imagem baseada em um histograma de gradiente e aparelho de processamento de imagem relacionado - Google Patents
método para transformar um descritor de imagem baseada em um histograma de gradiente e aparelho de processamento de imagem relacionadoInfo
- Publication number
- BR112014031268A2 BR112014031268A2 BR112014031268A BR112014031268A BR112014031268A2 BR 112014031268 A2 BR112014031268 A2 BR 112014031268A2 BR 112014031268 A BR112014031268 A BR 112014031268A BR 112014031268 A BR112014031268 A BR 112014031268A BR 112014031268 A2 BR112014031268 A2 BR 112014031268A2
- Authority
- BR
- Brazil
- Prior art keywords
- transforming
- image processing
- gradient histogram
- processing apparatus
- descriptor based
- Prior art date
Links
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/40—Analysis of texture
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/40—Analysis of texture
- G06T7/41—Analysis of texture based on statistical description of texture
- G06T7/44—Analysis of texture based on statistical description of texture using image operators, e.g. filters, edge density metrics or local histograms
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
- G06V10/462—Salient features, e.g. scale invariant feature transforms [SIFT]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/50—Extraction of image or video features by performing operations within image blocks; by using histograms, e.g. histogram of oriented gradients [HoG]; by summing image-intensity values; Projection analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
-
- 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
- G06T2207/20004—Adaptive image processing
- G06T2207/20012—Locally adaptive
-
- 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)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Multimedia (AREA)
- Probability & Statistics with Applications (AREA)
- Evolutionary Computation (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Biology (AREA)
- Computing Systems (AREA)
- Data Mining & Analysis (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Bioinformatics & Computational Biology (AREA)
- Databases & Information Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Image Analysis (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
Abstract
resumo método para transformar um descritor de imagem baseada em um histograma de gradiente e aparelho de processamento de imagem relacionado é descrito um método para a transformação de um descritor de imagem, com base em um histograma de gradiente (h), compreendendo uma pluralidade de compartimentos do histograma (hi), em um descritor de histograma de gradiente transformado (v), que compreende um conjunto de valores (v1), em que é provida a etapa de aplicação de pelo menos um critério para calcular o dito conjunto de valores (v1), o dito pelo menos um critério, compreendendo um critério de localização dos ditos compartimentos do histograma (hj). a invenção também se refere a um dispositivo de processamento de imagem apropriada para a realização do método. 1/1
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000602A ITTO20120602A1 (it) | 2012-07-09 | 2012-07-09 | Method for transforming an image descriptor based on a gradient histogram and relative image processing apparatus. |
PCT/EP2013/063874 WO2014009198A1 (en) | 2012-07-09 | 2013-07-01 | Method for transforming an image descriptor based on a gradient histogram and relative image processing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112014031268A2 true BR112014031268A2 (pt) | 2017-06-27 |
Family
ID=46833121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112014031268A BR112014031268A2 (pt) | 2012-07-09 | 2013-07-01 | método para transformar um descritor de imagem baseada em um histograma de gradiente e aparelho de processamento de imagem relacionado |
Country Status (13)
Country | Link |
---|---|
US (2) | US9454710B2 (pt) |
EP (2) | EP3702965B1 (pt) |
JP (3) | JP6292454B2 (pt) |
KR (1) | KR102193177B1 (pt) |
CN (2) | CN108520265B (pt) |
AR (1) | AR091674A1 (pt) |
BR (1) | BR112014031268A2 (pt) |
ES (1) | ES2811532T3 (pt) |
HK (1) | HK1259139A1 (pt) |
IT (1) | ITTO20120602A1 (pt) |
RU (1) | RU2661795C2 (pt) |
TW (1) | TWI532012B (pt) |
WO (1) | WO2014009198A1 (pt) |
Families Citing this family (7)
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CA2900841C (en) | 2013-01-16 | 2018-07-17 | Huawei Technologies Co., Ltd. | Context based histogram map coding for visual search |
ITTO20130629A1 (it) | 2013-07-24 | 2015-01-25 | Sisvel Technology Srl | Method for encoding an image descriptor based on a gradient histogram and relative image processing apparatus |
WO2019056380A1 (zh) * | 2017-09-25 | 2019-03-28 | 华为技术有限公司 | 一种数据访问的方法和装置 |
JP7087695B2 (ja) * | 2018-06-07 | 2022-06-21 | 株式会社リコー | 学習装置および学習方法 |
KR20230017549A (ko) * | 2021-07-28 | 2023-02-06 | 주식회사 넥스트칩 | 특징점에 대한 기술자를 생성하기 위한 전자 장치 및 그 동작 방법 |
CN117981319A (zh) * | 2021-09-15 | 2024-05-03 | 北京达佳互联信息技术有限公司 | 用于基于块的视频编解码的符号预测 |
CN114331925B (zh) * | 2022-03-15 | 2022-07-19 | 北京锐影医疗技术有限公司 | 一种多尺度相对梯度直方图均衡化方法及装置 |
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JPS61239376A (ja) | 1985-04-16 | 1986-10-24 | Fujitsu Ltd | 画像間の角度差検出装置 |
JP2000187731A (ja) * | 1998-12-21 | 2000-07-04 | Ricoh Co Ltd | 画像特徴抽出方法およびその方法の各工程をコンピュータに実行させるためのプログラムを記録したコンピュータ読み取り可能な記録媒体 |
GB2352076B (en) * | 1999-07-15 | 2003-12-17 | Mitsubishi Electric Inf Tech | Method and apparatus for representing and searching for an object in an image |
JP3550681B2 (ja) * | 1999-12-10 | 2004-08-04 | 日本電気株式会社 | 画像検索装置及び方法、並びに類似画像検索プログラムを格納した記憶媒体 |
US6865295B2 (en) * | 2001-05-11 | 2005-03-08 | Koninklijke Philips Electronics N.V. | Palette-based histogram matching with recursive histogram vector generation |
JP2003150965A (ja) * | 2001-11-14 | 2003-05-23 | Sanyo Electric Co Ltd | 形状認識方法及びその装置 |
KR100959053B1 (ko) * | 2003-01-13 | 2010-05-20 | 한국전자통신연구원 | 복수의 이미지 프레임을 갖는 비디오 시퀀스 검색을 위한비선형 양자화 및 유사도 매칭 방법 |
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2012
- 2012-07-09 IT IT000602A patent/ITTO20120602A1/it unknown
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2013
- 2013-07-01 US US14/410,768 patent/US9454710B2/en active Active
- 2013-07-01 EP EP20171298.1A patent/EP3702965B1/en active Active
- 2013-07-01 ES ES13732573T patent/ES2811532T3/es active Active
- 2013-07-01 JP JP2015520897A patent/JP6292454B2/ja active Active
- 2013-07-01 RU RU2015104066A patent/RU2661795C2/ru active
- 2013-07-01 CN CN201810356712.5A patent/CN108520265B/zh not_active Expired - Fee Related
- 2013-07-01 KR KR1020157003489A patent/KR102193177B1/ko active IP Right Grant
- 2013-07-01 BR BR112014031268A patent/BR112014031268A2/pt not_active Application Discontinuation
- 2013-07-01 WO PCT/EP2013/063874 patent/WO2014009198A1/en active Application Filing
- 2013-07-01 EP EP13732573.4A patent/EP2870568B1/en active Active
- 2013-07-01 CN CN201380036654.3A patent/CN104428793B/zh not_active Expired - Fee Related
- 2013-07-02 TW TW102123706A patent/TWI532012B/zh not_active IP Right Cessation
- 2013-07-04 AR ARP130102388 patent/AR091674A1/es unknown
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2016
- 2016-09-09 US US15/260,764 patent/US10713523B2/en active Active
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2017
- 2017-08-09 JP JP2017154781A patent/JP6429134B2/ja active Active
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2018
- 2018-10-18 JP JP2018196276A patent/JP6714669B2/ja not_active Expired - Fee Related
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2019
- 2019-01-22 HK HK19101104.0A patent/HK1259139A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
JP6292454B2 (ja) | 2018-03-14 |
CN108520265B (zh) | 2021-09-07 |
JP2015522194A (ja) | 2015-08-03 |
EP2870568B1 (en) | 2020-06-24 |
JP2017224337A (ja) | 2017-12-21 |
RU2015104066A (ru) | 2016-08-27 |
US10713523B2 (en) | 2020-07-14 |
TWI532012B (zh) | 2016-05-01 |
JP6714669B2 (ja) | 2020-06-24 |
TW201407542A (zh) | 2014-02-16 |
CN104428793A (zh) | 2015-03-18 |
CN108520265A (zh) | 2018-09-11 |
CN104428793B (zh) | 2018-05-08 |
JP6429134B2 (ja) | 2018-11-28 |
WO2014009198A1 (en) | 2014-01-16 |
HK1259139A1 (zh) | 2019-11-29 |
US20150332116A1 (en) | 2015-11-19 |
US9454710B2 (en) | 2016-09-27 |
EP3702965A1 (en) | 2020-09-02 |
RU2661795C2 (ru) | 2018-07-19 |
JP2019040612A (ja) | 2019-03-14 |
ES2811532T3 (es) | 2021-03-12 |
ITTO20120602A1 (it) | 2014-01-10 |
AR091674A1 (es) | 2015-02-18 |
KR102193177B1 (ko) | 2020-12-21 |
KR20150031333A (ko) | 2015-03-23 |
EP2870568A1 (en) | 2015-05-13 |
US20170300775A1 (en) | 2017-10-19 |
EP3702965B1 (en) | 2021-08-04 |
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