JPS57176480A - Discriminating method for medium contrast picture - Google Patents

Discriminating method for medium contrast picture

Info

Publication number
JPS57176480A
JPS57176480A JP56061879A JP6187981A JPS57176480A JP S57176480 A JPS57176480 A JP S57176480A JP 56061879 A JP56061879 A JP 56061879A JP 6187981 A JP6187981 A JP 6187981A JP S57176480 A JPS57176480 A JP S57176480A
Authority
JP
Japan
Prior art keywords
picture
mesh
medium contrast
scanning direction
main
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
JP56061879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6353585B2 (enExample
Inventor
Morizumi Kurose
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP56061879A priority Critical patent/JPS57176480A/ja
Publication of JPS57176480A publication Critical patent/JPS57176480A/ja
Publication of JPS6353585B2 publication Critical patent/JPS6353585B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimiles In General (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
JP56061879A 1981-04-22 1981-04-22 Discriminating method for medium contrast picture Granted JPS57176480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56061879A JPS57176480A (en) 1981-04-22 1981-04-22 Discriminating method for medium contrast picture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56061879A JPS57176480A (en) 1981-04-22 1981-04-22 Discriminating method for medium contrast picture

Publications (2)

Publication Number Publication Date
JPS57176480A true JPS57176480A (en) 1982-10-29
JPS6353585B2 JPS6353585B2 (enExample) 1988-10-24

Family

ID=13183858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56061879A Granted JPS57176480A (en) 1981-04-22 1981-04-22 Discriminating method for medium contrast picture

Country Status (1)

Country Link
JP (1) JPS57176480A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006121655A (ja) * 2004-09-24 2006-05-11 Ricoh Co Ltd 改竄検出装置、改竄検出方法、その方法をコンピュータに実行させるためのプログラム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006121655A (ja) * 2004-09-24 2006-05-11 Ricoh Co Ltd 改竄検出装置、改竄検出方法、その方法をコンピュータに実行させるためのプログラム

Also Published As

Publication number Publication date
JPS6353585B2 (enExample) 1988-10-24

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