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TWI800283B - 用於影像處理電路之方法及其取樣電路 - Google Patents

用於影像處理電路之方法及其取樣電路 Download PDF

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Publication number
TWI800283B
TWI800283B TW111107493A TW111107493A TWI800283B TW I800283 B TWI800283 B TW I800283B TW 111107493 A TW111107493 A TW 111107493A TW 111107493 A TW111107493 A TW 111107493A TW I800283 B TWI800283 B TW I800283B
Authority
TW
Taiwan
Prior art keywords
image processing
circuit
processing circuit
related sampling
sampling circuit
Prior art date
Application number
TW111107493A
Other languages
English (en)
Other versions
TW202244757A (zh
Inventor
黃郁湘
鍾榮真
Original Assignee
聯詠科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 聯詠科技股份有限公司 filed Critical 聯詠科技股份有限公司
Publication of TW202244757A publication Critical patent/TW202244757A/zh
Application granted granted Critical
Publication of TWI800283B publication Critical patent/TWI800283B/zh

Links

Classifications

    • 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
    • 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
    • G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
    • 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
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/36—Applying a local operator, i.e. means to operate on image points situated in the vicinity of a given point; Non-linear local filtering operations, e.g. median filtering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/94—Hardware or software architectures specially adapted for image or video understanding
    • G06V10/955—Hardware or software architectures specially adapted for image or video understanding using specific electronic processors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Software Systems (AREA)
  • Nonlinear Science (AREA)
  • Image Processing (AREA)
  • Image Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Signal Processing (AREA)
TW111107493A 2021-05-06 2022-03-02 用於影像處理電路之方法及其取樣電路 TWI800283B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202163184806P 2021-05-06 2021-05-06
US63/184,806 2021-05-06
US17/577,382 2022-01-18
US17/577,382 US11810391B2 (en) 2021-05-06 2022-01-18 Method for image processing circuit and related sampling circuit

Publications (2)

Publication Number Publication Date
TW202244757A TW202244757A (zh) 2022-11-16
TWI800283B true TWI800283B (zh) 2023-04-21

Family

ID=83855619

Family Applications (1)

Application Number Title Priority Date Filing Date
TW111107493A TWI800283B (zh) 2021-05-06 2022-03-02 用於影像處理電路之方法及其取樣電路

Country Status (3)

Country Link
US (1) US11810391B2 (zh)
CN (1) CN115311697A (zh)
TW (1) TWI800283B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11790690B1 (en) 2022-11-21 2023-10-17 Novatek Microelectronics Corp. Fingerprint recognition device, fingerprint recognition method and method of generating moire pattern image

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209496381U (zh) * 2019-01-22 2019-10-15 深圳市汇顶科技股份有限公司 光学指纹识别模组和终端设备
CN111881873A (zh) * 2020-08-04 2020-11-03 深圳市汇顶科技股份有限公司 指纹识别装置和电子设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4962402B2 (ja) * 2008-05-01 2012-06-27 セイコーエプソン株式会社 電気光学装置の駆動回路、電気光学装置および電子機器
CN102710906B (zh) * 2012-04-16 2014-07-16 天津大学 实现二维离散余弦变换的cmos图像传感器
EP3695342B1 (en) * 2017-10-13 2024-09-25 Fingerprint Cards Anacatum IP AB Method and system for fingerprint image enhancement
US11682230B2 (en) * 2019-03-07 2023-06-20 Novatek Microelectronics Corp. Fingerprint signal processing circuit and method for signal compensation in analog front-end
CN110599388B (zh) * 2019-08-26 2021-10-15 华中科技大学 一种基于定位点辅助的盲鲁棒数字水印嵌入和检测方法
WO2021168666A1 (zh) * 2020-02-25 2021-09-02 深圳市汇顶科技股份有限公司 指纹识别装置和电子设备
WO2021196441A1 (zh) * 2020-03-30 2021-10-07 神盾股份有限公司 具有互相适配的指纹传感器及高解析度显示器的电子装置
CN112714268B (zh) * 2020-08-21 2022-02-08 深圳市汇顶科技股份有限公司 图像传感器、指纹检测装置和电子设备
CN113191935B (zh) * 2021-04-30 2024-07-02 华中科技大学 一种用于高斯金字塔构建的可重构硬件加速方法与系统

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209496381U (zh) * 2019-01-22 2019-10-15 深圳市汇顶科技股份有限公司 光学指纹识别模组和终端设备
CN111881873A (zh) * 2020-08-04 2020-11-03 深圳市汇顶科技股份有限公司 指纹识别装置和电子设备

Also Published As

Publication number Publication date
TW202244757A (zh) 2022-11-16
US11810391B2 (en) 2023-11-07
CN115311697A (zh) 2022-11-08
US20220358783A1 (en) 2022-11-10

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