CN106156726A - 指纹图像的增强方法和装置 - Google Patents
指纹图像的增强方法和装置 Download PDFInfo
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- CN106156726A CN106156726A CN201610450915.1A CN201610450915A CN106156726A CN 106156726 A CN106156726 A CN 106156726A CN 201610450915 A CN201610450915 A CN 201610450915A CN 106156726 A CN106156726 A CN 106156726A
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- 238000000034 method Methods 0.000 title claims abstract description 75
- 239000011159 matrix material Substances 0.000 claims description 10
- 239000000284 extract Substances 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000001215 vagina Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1347—Preprocessing; Feature extraction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
-
- 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
- G06T2207/20024—Filtering details
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Collating Specific Patterns (AREA)
- Image Input (AREA)
- Image Analysis (AREA)
Abstract
Description
Claims (16)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610450915.1A CN106156726B (zh) | 2016-06-20 | 2016-06-20 | 指纹图像的增强方法和装置 |
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CN201610450915.1A CN106156726B (zh) | 2016-06-20 | 2016-06-20 | 指纹图像的增强方法和装置 |
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CN106156726A true CN106156726A (zh) | 2016-11-23 |
CN106156726B CN106156726B (zh) | 2017-07-04 |
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CN201610450915.1A Active CN106156726B (zh) | 2016-06-20 | 2016-06-20 | 指纹图像的增强方法和装置 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106815821A (zh) * | 2017-01-23 | 2017-06-09 | 上海兴芯微电子科技有限公司 | 近红外图像的去噪方法和装置 |
CN107832473A (zh) * | 2017-11-30 | 2018-03-23 | 奕响(大连)科技有限公司 | 一种非等比例拉伸后的图片相似判定方法 |
CN107886134A (zh) * | 2017-11-30 | 2018-04-06 | 奕响(大连)科技有限公司 | 一种局部创造性的图片相似判定方法 |
CN108701218A (zh) * | 2017-02-03 | 2018-10-23 | 华为技术有限公司 | 一种指纹采集的方法、装置及终端 |
CN109426795A (zh) * | 2017-09-05 | 2019-03-05 | 比亚迪股份有限公司 | 指纹识别方法和装置 |
WO2019104719A1 (zh) * | 2017-12-01 | 2019-06-06 | 深圳市汇顶科技股份有限公司 | 指纹影像增强方法及指纹影像模块 |
CN112884756A (zh) * | 2021-03-12 | 2021-06-01 | 敦泰电子(深圳)有限公司 | 一种指纹图像处理方法、指纹芯片及电子设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060147096A1 (en) * | 2005-01-05 | 2006-07-06 | Dong-Jae Lee | Fingerprint region segmenting apparatus, directional filter unit and methods thereof |
CN101576999A (zh) * | 2009-06-01 | 2009-11-11 | 杭州晟元芯片技术有限公司 | 一种指纹图像方向增强方法 |
CN102254163A (zh) * | 2011-08-03 | 2011-11-23 | 山东志华信息科技股份有限公司 | 自适应模板大小的Gabor指纹图像增强方法 |
-
2016
- 2016-06-20 CN CN201610450915.1A patent/CN106156726B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060147096A1 (en) * | 2005-01-05 | 2006-07-06 | Dong-Jae Lee | Fingerprint region segmenting apparatus, directional filter unit and methods thereof |
CN101576999A (zh) * | 2009-06-01 | 2009-11-11 | 杭州晟元芯片技术有限公司 | 一种指纹图像方向增强方法 |
CN102254163A (zh) * | 2011-08-03 | 2011-11-23 | 山东志华信息科技股份有限公司 | 自适应模板大小的Gabor指纹图像增强方法 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106815821A (zh) * | 2017-01-23 | 2017-06-09 | 上海兴芯微电子科技有限公司 | 近红外图像的去噪方法和装置 |
CN106815821B (zh) * | 2017-01-23 | 2020-08-28 | 上海兴芯微电子科技有限公司 | 近红外图像的去噪方法和装置 |
CN108701218A (zh) * | 2017-02-03 | 2018-10-23 | 华为技术有限公司 | 一种指纹采集的方法、装置及终端 |
CN108701218B (zh) * | 2017-02-03 | 2021-02-12 | 华为技术有限公司 | 一种指纹采集的方法、装置及终端 |
CN109426795A (zh) * | 2017-09-05 | 2019-03-05 | 比亚迪股份有限公司 | 指纹识别方法和装置 |
CN107832473A (zh) * | 2017-11-30 | 2018-03-23 | 奕响(大连)科技有限公司 | 一种非等比例拉伸后的图片相似判定方法 |
CN107886134A (zh) * | 2017-11-30 | 2018-04-06 | 奕响(大连)科技有限公司 | 一种局部创造性的图片相似判定方法 |
WO2019104719A1 (zh) * | 2017-12-01 | 2019-06-06 | 深圳市汇顶科技股份有限公司 | 指纹影像增强方法及指纹影像模块 |
US10977822B2 (en) | 2017-12-01 | 2021-04-13 | Shenzhen GOODIX Technology Co., Ltd. | Fingerprint image enhancement method and fingerprint image module |
CN112884756A (zh) * | 2021-03-12 | 2021-06-01 | 敦泰电子(深圳)有限公司 | 一种指纹图像处理方法、指纹芯片及电子设备 |
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Publication number | Publication date |
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CN106156726B (zh) | 2017-07-04 |
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Effective date of registration: 20191231 Address after: 518119 1 Yanan Road, Kwai Chung street, Dapeng New District, Shenzhen, Guangdong Patentee after: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: BYD Co.,Ltd. |
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Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: BYD Semiconductor Co.,Ltd. Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. |