JPH0471229B2 - - Google Patents

Info

Publication number
JPH0471229B2
JPH0471229B2 JP61004852A JP485286A JPH0471229B2 JP H0471229 B2 JPH0471229 B2 JP H0471229B2 JP 61004852 A JP61004852 A JP 61004852A JP 485286 A JP485286 A JP 485286A JP H0471229 B2 JPH0471229 B2 JP H0471229B2
Authority
JP
Japan
Prior art keywords
uneven surface
light
hologram
surface information
flat plate
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP61004852A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62187817A (ja
Inventor
Shin Eguchi
Seigo Igaki
Hiroyuki Ikeda
Jushi Inagaki
Hironori Yahagi
Fumio Yamagishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP61004852A priority Critical patent/JPS62187817A/ja
Priority to US06/833,276 priority patent/US4728186A/en
Priority to FI860862A priority patent/FI88752C/fi
Priority to DE8686301434T priority patent/DE3688339T2/de
Priority to EP86301434A priority patent/EP0194783B1/fr
Priority to CA000503027A priority patent/CA1246179A/fr
Priority to KR1019860001470A priority patent/KR900006061B1/ko
Publication of JPS62187817A publication Critical patent/JPS62187817A/ja
Publication of JPH0471229B2 publication Critical patent/JPH0471229B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Collating Specific Patterns (AREA)
  • Image Input (AREA)
  • Character Discrimination (AREA)
JP61004852A 1985-03-03 1986-01-13 凹凸面情報検出方法 Granted JPS62187817A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP61004852A JPS62187817A (ja) 1986-01-13 1986-01-13 凹凸面情報検出方法
US06/833,276 US4728186A (en) 1985-03-03 1986-02-27 Uneven-surface data detection apparatus
FI860862A FI88752C (fi) 1985-03-03 1986-02-28 Datadetektionsapparat foer en ojaemn yta och personidentifieringssystem
DE8686301434T DE3688339T2 (de) 1985-03-03 1986-02-28 Geraet zum ermitteln von daten unebener flaechen.
EP86301434A EP0194783B1 (fr) 1985-03-03 1986-02-28 Appareil de détection de données de surfaces rugueuses
CA000503027A CA1246179A (fr) 1985-03-03 1986-02-28 Detecteur d'inegalites de surface
KR1019860001470A KR900006061B1 (ko) 1985-03-03 1986-03-03 요철면 정보 검출장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61004852A JPS62187817A (ja) 1986-01-13 1986-01-13 凹凸面情報検出方法

Publications (2)

Publication Number Publication Date
JPS62187817A JPS62187817A (ja) 1987-08-17
JPH0471229B2 true JPH0471229B2 (fr) 1992-11-13

Family

ID=11595205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61004852A Granted JPS62187817A (ja) 1985-03-03 1986-01-13 凹凸面情報検出方法

Country Status (1)

Country Link
JP (1) JPS62187817A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2680084B2 (ja) * 1988-12-09 1997-11-19 富士通株式会社 個人識別装置

Also Published As

Publication number Publication date
JPS62187817A (ja) 1987-08-17

Similar Documents

Publication Publication Date Title
US12216287B2 (en) Skew mirror auxiliary imaging
US5629764A (en) Prism fingerprint sensor using a holographic optical element
KR900006061B1 (ko) 요철면 정보 검출장치
TW521214B (en) Method and apparatus for reduction of trapezoidal distortion and improvement of image sharpness in an optical image capturing system
JPH09509490A (ja) 物体の表面形状の高コントラスト画像を生成し検出する方法及びその方法を実施するコンパクトな装置
US5499116A (en) Encoded hologram for producing a machine readable image and a human readable image
Chen et al. Computational see-through screen camera based on a holographic waveguide device
US7126729B2 (en) Double hologram
TW546468B (en) Focus error correction method and apparatus
US4577099A (en) Apparatus for proximity detection of an opaque pattern on a translucent substrate
JPH0471229B2 (fr)
US4467188A (en) Device for splitting light from an objective lens
US20060039048A1 (en) Systems and methods of capturing prints with a holographic optical element
JPH0522882B2 (fr)
JPS62187819A (ja) 凹凸面情報検出装置
JPS62209686A (ja) 凹凸面情報検出装置
JPS62187818A (ja) 凹凸面情報検出装置
CN113826374A (zh) 具有图像检测装置和载体介质的检测设备以及具有这种检测设备和带屏幕的装置的检测系统
JPS62206688A (ja) 凹凸面情報入力方法
JP2721510B2 (ja) マッチド・フィルタを用いた識別方法及び装置
JPS6156312A (ja) 眼底カメラ
Corboline A fingerprint identification system using an optical spatial light modulator (SLM)
CN120685606A (zh) 雾度检测系统及方法
JPH0876672A (ja) 三次元物体自動認識方法及びその装置
JPH05164523A (ja) 三次元物体奥行き検出装置