JPS5236941A - Information signal processing unit - Google Patents

Information signal processing unit

Info

Publication number
JPS5236941A
JPS5236941A JP50113358A JP11335875A JPS5236941A JP S5236941 A JPS5236941 A JP S5236941A JP 50113358 A JP50113358 A JP 50113358A JP 11335875 A JP11335875 A JP 11335875A JP S5236941 A JPS5236941 A JP S5236941A
Authority
JP
Japan
Prior art keywords
processing unit
signal processing
information signal
low
low frequencies
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.)
Granted
Application number
JP50113358A
Other languages
Japanese (ja)
Other versions
JPS5926072B2 (en
Inventor
Toshiyuki Shimizu
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.)
Hajime Industries Ltd
Original Assignee
Hajime Industries 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 Hajime Industries Ltd filed Critical Hajime Industries Ltd
Priority to JP50113358A priority Critical patent/JPS5926072B2/en
Priority to GB37644/76A priority patent/GB1563481A/en
Priority to DE2641692A priority patent/DE2641692C2/en
Priority to FR7628093A priority patent/FR2325113A1/en
Priority to CA261,416A priority patent/CA1131785A/en
Publication of JPS5236941A publication Critical patent/JPS5236941A/en
Priority to US05/891,913 priority patent/US4201977A/en
Publication of JPS5926072B2 publication Critical patent/JPS5926072B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/30—Noise filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Image Input (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Image Analysis (AREA)
  • Character Input (AREA)

Abstract

PURPOSE:To make it possible to perform pattern recognitions with a simple circuit by taking out only the low frequencies of a pattern signal with the use of a low-pass filter and by sampling the low frequencies.
JP50113358A 1975-09-18 1975-09-18 Information signal processing device Expired JPS5926072B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP50113358A JPS5926072B2 (en) 1975-09-18 1975-09-18 Information signal processing device
GB37644/76A GB1563481A (en) 1975-09-18 1976-09-10 Information signal processing systems
DE2641692A DE2641692C2 (en) 1975-09-18 1976-09-16 Device for recognizing an object
FR7628093A FR2325113A1 (en) 1975-09-18 1976-09-17 INFORMATION PROCESSING DEVICE
CA261,416A CA1131785A (en) 1975-09-18 1976-09-17 Pattern recognition system
US05/891,913 US4201977A (en) 1975-09-18 1978-03-30 Data processing and storage system using filtering and sampling techniques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50113358A JPS5926072B2 (en) 1975-09-18 1975-09-18 Information signal processing device

Publications (2)

Publication Number Publication Date
JPS5236941A true JPS5236941A (en) 1977-03-22
JPS5926072B2 JPS5926072B2 (en) 1984-06-23

Family

ID=14610242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50113358A Expired JPS5926072B2 (en) 1975-09-18 1975-09-18 Information signal processing device

Country Status (5)

Country Link
JP (1) JPS5926072B2 (en)
CA (1) CA1131785A (en)
DE (1) DE2641692C2 (en)
FR (1) FR2325113A1 (en)
GB (1) GB1563481A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199255U (en) * 1984-11-30 1986-06-25
JP2015064556A (en) * 2013-08-30 2015-04-09 キヤノン株式会社 Focus detection device and control method of the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232179C1 (en) * 1982-08-30 1987-03-26 Pietzsch, Ludwig, Dr.-Ing., 7500 Karlsruhe Device for optically recognizing surface patterns on objects
US4934537A (en) * 1988-01-28 1990-06-19 Grove Telecommunications Ltd. Fish sorting apparatus and method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2507173C2 (en) * 1975-02-20 1984-02-23 Object Recognition Systems, Inc., New York, N.Y. Device for recognizing an object

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199255U (en) * 1984-11-30 1986-06-25
JP2015064556A (en) * 2013-08-30 2015-04-09 キヤノン株式会社 Focus detection device and control method of the same

Also Published As

Publication number Publication date
DE2641692C2 (en) 1986-09-18
CA1131785A (en) 1982-09-14
FR2325113B1 (en) 1981-08-21
DE2641692A1 (en) 1977-03-24
GB1563481A (en) 1980-03-26
JPS5926072B2 (en) 1984-06-23
FR2325113A1 (en) 1977-04-15

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