JPH01110573U - - Google Patents
Info
- Publication number
- JPH01110573U JPH01110573U JP1988006196U JP619688U JPH01110573U JP H01110573 U JPH01110573 U JP H01110573U JP 1988006196 U JP1988006196 U JP 1988006196U JP 619688 U JP619688 U JP 619688U JP H01110573 U JPH01110573 U JP H01110573U
- Authority
- JP
- Japan
- Prior art keywords
- data
- motion
- control means
- section
- detection circuit
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Television Systems (AREA)
Description
第１図は本考案の画像の動き検出回路の実施例
のブロツク図、第２図は従来の画像の動き検出回
路のブロツク図である。
３……フレーム間差演算部、８……動き判定部
、９……計数部、１０……判定制御部。
FIG. 1 is a block diagram of an embodiment of an image motion detection circuit according to the present invention, and FIG. 2 is a block diagram of a conventional image motion detection circuit. 3... Inter-frame difference calculating section, 8... Motion determining section, 9... Counting section, 10... Judgment control section.
Claims (1)
前記映像信号の動きをデジタル的に検出し、前記
映像信号の動き情報の信号を出力する画像の動き
検出回路において、 前記映像信号をデジタル変換するデジタル変換
部と、 前記変換部の出力データのフレーム間差を画素
単位又はブロツク単位で演算し、差分データを出
力するフレーム間差演算部と、 前記差分データを絶対値化した動き検出データ
と動き検出の判定基準データとを比較して動き量
を判定し、動き量のデータを前記動き情報の信号
として出力する動き判定部と、 所定動き量以上の前記動き情報の信号を所定の
フイールド周期でくり返し計数する計数部と、 前記計数部の計数データに応じて前記判定基準
データ、前記判定部の入力データ、又は前記判定
部の出力データを可変し、前記計数データに応じ
て判定動き量を可変する検出制御手段と を備えた画像の動き検出回路。 検出制御手段として計数データの大、小に応
じて判定動き量を減、増可変する反比例型の制御
手段を設けた請求項記載の画像の動き検出回路
。 検出制御手段として計数データの大、小に応
じて判定動き量を増、減可変する比例型の制御手
段を設けた請求項記載の画像の動き検出回路。[Claims for Utility Model Registration] An image motion detection circuit that digitally detects the motion of the video signal from the interframe difference of the interlaced scanning video signal and outputs a signal of motion information of the video signal, comprising: a digital conversion section that digitally converts a signal; an interframe difference calculation section that calculates the interframe difference of the output data of the conversion section in units of pixels or blocks and outputs difference data; and converts the difference data into an absolute value. a motion determination unit that compares motion detection data and motion detection determination reference data to determine a motion amount, and outputs the motion amount data as a signal of the motion information; a counting section that repeatedly counts at a predetermined field cycle; and varying the judgment standard data, input data of the judgment section, or output data of the judgment section according to the counting data of the counting section, An image motion detection circuit comprising: detection control means for varying a determined motion amount. 2. An image motion detection circuit according to claim 1, further comprising inversely proportional control means for decreasing or increasing the determined motion amount in accordance with the magnitude of the count data as the detection control means. 2. An image motion detection circuit according to claim 1, further comprising proportional control means for increasing or decreasing the determined motion amount in accordance with the magnitude of the count data as the detection control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988006196U JPH067651Y2 (en) | 1988-01-20 | 1988-01-20 | Image motion detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988006196U JPH067651Y2 (en) | 1988-01-20 | 1988-01-20 | Image motion detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01110573U true JPH01110573U (en) | 1989-07-26 |
| JPH067651Y2 JPH067651Y2 (en) | 1994-02-23 |
Family
ID=31210222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988006196U Expired - Lifetime JPH067651Y2 (en) | 1988-01-20 | 1988-01-20 | Image motion detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067651Y2 (en) |
-
1988
- 1988-01-20 JP JP1988006196U patent/JPH067651Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067651Y2 (en) | 1994-02-23 |
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