TWI596551B - 用於雜訊減輕之方法及電子裝置 - Google Patents

用於雜訊減輕之方法及電子裝置 Download PDF

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Publication number
TWI596551B
TWI596551B TW104117384A TW104117384A TWI596551B TW I596551 B TWI596551 B TW I596551B TW 104117384 A TW104117384 A TW 104117384A TW 104117384 A TW104117384 A TW 104117384A TW I596551 B TWI596551 B TW I596551B
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Taiwan
Prior art keywords
fingerprint
sampling
fingerprint image
noise
fingerprint sensor
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TW104117384A
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English (en)
Chinese (zh)
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TW201602921A (zh
Inventor
布吉爾德 克里斯騰森 拉爾斯 普賈爾德
漢森 莫頓 羅勒
漢森 提爾伯洛姆
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指紋卡公司
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V40/13—Sensors therefor
    • G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06V40/1365—Matching; Classification
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30196—Human being; Person
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V2201/00—Indexing scheme relating to image or video recognition or understanding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V40/15—Biometric patterns based on physiological signals, e.g. heartbeat, blood flow

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Cardiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physiology (AREA)
  • Image Input (AREA)
  • Collating Specific Patterns (AREA)
  • Image Processing (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
TW104117384A 2014-07-14 2015-05-29 用於雜訊減輕之方法及電子裝置 TWI596551B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1450892 2014-07-14

Publications (2)

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TW201602921A TW201602921A (zh) 2016-01-16
TWI596551B true TWI596551B (zh) 2017-08-21

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Country Status (7)

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US (2) US9519819B2 (enExample)
EP (1) EP3170124A4 (enExample)
JP (1) JP6681382B2 (enExample)
KR (1) KR101875051B1 (enExample)
CN (1) CN105706111B (enExample)
TW (1) TWI596551B (enExample)
WO (1) WO2016010470A1 (enExample)

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CN107239737A (zh) * 2017-05-03 2017-10-10 广东欧珀移动通信有限公司 一种光学指纹识别方法及相关产品
CN107247962B (zh) * 2017-05-23 2019-07-05 华中科技大学 一种基于滑动窗口的实时电器识别方法和系统
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TWI710963B (zh) * 2019-01-31 2020-11-21 大陸商北京集創北方科技股份有限公司 指紋圖像歸一化方法、指紋圖像歸一化裝置及資訊處理裝置
CN109978803B (zh) * 2019-03-05 2021-01-22 北京集创北方科技股份有限公司 图像处理方法及装置
CN110488175B (zh) * 2019-07-31 2024-04-26 广东利扬芯片测试股份有限公司 指纹芯片测试部件、方法和计算机可读存储介质
CN113033257B (zh) * 2019-12-24 2023-08-18 杭州海康威视数字技术股份有限公司 指纹识别方法、装置、电子设备及可读存储介质
CN113706396B (zh) * 2020-05-21 2024-04-30 北京机械设备研究所 基于滑动窗函数的遥测图像降噪处理方法
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Also Published As

Publication number Publication date
KR20170030480A (ko) 2017-03-17
EP3170124A1 (en) 2017-05-24
US9779281B2 (en) 2017-10-03
JP6681382B2 (ja) 2020-04-15
US20170091525A1 (en) 2017-03-30
EP3170124A4 (en) 2018-03-07
CN105706111B (zh) 2019-07-09
JP2017525037A (ja) 2017-08-31
KR101875051B1 (ko) 2018-07-05
WO2016010470A1 (en) 2016-01-21
US20160012271A1 (en) 2016-01-14
CN105706111A (zh) 2016-06-22
TW201602921A (zh) 2016-01-16
US9519819B2 (en) 2016-12-13

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