JPH0337551U - - Google Patents
Info
- Publication number
- JPH0337551U JPH0337551U JP9681289U JP9681289U JPH0337551U JP H0337551 U JPH0337551 U JP H0337551U JP 9681289 U JP9681289 U JP 9681289U JP 9681289 U JP9681289 U JP 9681289U JP H0337551 U JPH0337551 U JP H0337551U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- image
- video signal
- converter
- processing device
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Image Input (AREA)
- Picture Signal Circuits (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図は従来の画像処理型交通流計測装置を示す構
成図、第３図はＴＶカメラのビデオ信号の入出力
振幅特性を示す説明図、第４図はビデオ信号の入
出力振幅特性の補正を示す説明図である。
図において、１はＴＶカメラ、２はビデオアン
プ、３はＡ／Ｄコンバータ、４は画像メモリ、５
は車両検出部、６は交通データ計測処理部、７は
ビデオ信号入力、８は交通データ、９は逆ガンマ
補正回路、Ａはガンマ補正特性、Ｂは入出力直線
特性、Ｃは逆ガンマ補正特性である。尚、各図中
同一符号は同一または相当部分を示す。
Fig. 1 is a block diagram showing an embodiment of this invention, Fig. 2 is a block diagram showing a conventional image processing type traffic flow measurement device, and Fig. 3 is an explanation showing input/output amplitude characteristics of a video signal of a TV camera. 4 are explanatory diagrams showing correction of input/output amplitude characteristics of a video signal. In the figure, 1 is a TV camera, 2 is a video amplifier, 3 is an A/D converter, 4 is an image memory, and 5
is a vehicle detection section, 6 is a traffic data measurement processing section, 7 is a video signal input, 8 is traffic data, 9 is an inverse gamma correction circuit, A is a gamma correction characteristic, B is an input/output linear characteristic, and C is an inverse gamma correction characteristic. It is. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
幅するビデオアンプと、ビデオ信号をデジタル信
号に変換するＡ／Ｄコンバータと、Ａ／Ｄコンバ
ータのデジタル信号を静止画像としてメモリする
画像メモリと、画像メモリの画像から車両の特徴
点を検出する車両検出部と、車両検出部で検出し
た車両位置を基に車両の走行速度等を計測する交
通データ計測処理部とから成る画像処理装置にお
いて、ビデオ信号の入出力増幅特性を補正する逆
ガンマ補正回路を備えたことを特徴とする画像処
理装置。 A video amplifier that amplifies a video signal captured by a running vehicle from a TV camera, an A/D converter that converts the video signal into a digital signal, an image memory that stores the digital signal of the A/D converter as a still image, and an image memory. In an image processing device consisting of a vehicle detection section that detects feature points of a vehicle from an image, and a traffic data measurement processing section that measures vehicle running speed etc. based on the vehicle position detected by the vehicle detection section, input of a video signal is performed. An image processing device comprising an inverse gamma correction circuit that corrects output amplification characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9681289U JPH0337551U (en) | 1989-08-19 | 1989-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9681289U JPH0337551U (en) | 1989-08-19 | 1989-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0337551U true JPH0337551U (en) | 1991-04-11 |
Family
ID=31645993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9681289U Pending JPH0337551U (en) | 1989-08-19 | 1989-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0337551U (en) |
-
1989
- 1989-08-19 JP JP9681289U patent/JPH0337551U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5963792U (en) | Photoelectric smoke detection terminal | |
| JPH0337551U (en) | ||
| JPH0344799U (en) | ||
| JPH03113499U (en) | ||
| JPH03100957U (en) | ||
| JPS6135486U (en) | Color television camera control device | |
| JPH03101073U (en) | ||
| JPS64105U (en) | ||
| JPS60189177U (en) | Captured image focus adjustment device | |
| JPS60144366U (en) | Object change detection device | |
| JPH0472779U (en) | ||
| JPH044286U (en) | ||
| JPH0197669U (en) | ||
| JPH0359784U (en) | ||
| JPH0480145U (en) | ||
| JPH0438166U (en) | ||
| JPS6199003U (en) | ||
| JPH0312111U (en) | ||
| JPS59151393U (en) | Vehicle imaging display device | |
| JPH0177073U (en) | ||
| JPS6118685U (en) | Video signal amplification circuit | |
| JPH01175071U (en) | ||
| JPS63169765U (en) | ||
| JPH0327173U (en) | ||
| JPH0338972U (en) |