JPS52151516A - Coding device between compound differential frames - Google Patents

Coding device between compound differential frames

Info

Publication number
JPS52151516A
JPS52151516A JP6852176A JP6852176A JPS52151516A JP S52151516 A JPS52151516 A JP S52151516A JP 6852176 A JP6852176 A JP 6852176A JP 6852176 A JP6852176 A JP 6852176A JP S52151516 A JPS52151516 A JP S52151516A
Authority
JP
Japan
Prior art keywords
coding device
compound differential
differential frames
coding
case
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
JP6852176A
Other languages
Japanese (ja)
Other versions
JPS6118395B2 (en
Inventor
Tatsuo Ishiguro
Masahiko Iijima
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP6852176A priority Critical patent/JPS52151516A/en
Priority to US05/771,048 priority patent/US4179710A/en
Priority to CA272,518A priority patent/CA1087741A/en
Publication of JPS52151516A publication Critical patent/JPS52151516A/en
Publication of JPS6118395B2 publication Critical patent/JPS6118395B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the blurred image by coding without controlling the amplitude, by generating the forecasting erroneous signal between frames against the input signal, on which the gain becomes smaller than 1 in case the output amplitude is smaller than the estimated value, and it is passed through non-linear circuit whose gain becomes 1 in case the output amplitude is large, and making the forecast coding in the frame.
COPYRIGHT: (C)1977,JPO&Japio
JP6852176A 1976-02-23 1976-06-11 Coding device between compound differential frames Granted JPS52151516A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6852176A JPS52151516A (en) 1976-06-11 1976-06-11 Coding device between compound differential frames
US05/771,048 US4179710A (en) 1976-02-23 1977-02-22 Predictive encoder with a non-linear quantizing characteristic
CA272,518A CA1087741A (en) 1976-02-23 1977-02-23 Predictive encoder with a non-linear quantizing characteristic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6852176A JPS52151516A (en) 1976-06-11 1976-06-11 Coding device between compound differential frames

Publications (2)

Publication Number Publication Date
JPS52151516A true JPS52151516A (en) 1977-12-16
JPS6118395B2 JPS6118395B2 (en) 1986-05-12

Family

ID=13376096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6852176A Granted JPS52151516A (en) 1976-02-23 1976-06-11 Coding device between compound differential frames

Country Status (1)

Country Link
JP (1) JPS52151516A (en)

Also Published As

Publication number Publication date
JPS6118395B2 (en) 1986-05-12

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