JPH0325996U - - Google Patents
Info
- Publication number
- JPH0325996U JPH0325996U JP8364989U JP8364989U JPH0325996U JP H0325996 U JPH0325996 U JP H0325996U JP 8364989 U JP8364989 U JP 8364989U JP 8364989 U JP8364989 U JP 8364989U JP H0325996 U JPH0325996 U JP H0325996U
- Authority
- JP
- Japan
- Prior art keywords
- processing circuit
- image processing
- vehicles
- outputs
- detects
- 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
- 238000005259 measurement Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
Description
第１図はこの考案の一実施例を示す交通流計測
装置の構成図、第２図は従来の交通流計測装置を
示す図である。
図において、１……車両、２……ＩＴＶカメラ
、３……車両位置センサ、４……画像処理回路、
５……画像処理回路、４１……画像メモリ回路、
４２……前処理回路、４３……車両追跡回路、４
４……交通パラメータ計測回路、４５……前処理
回路、４６……車両追跡回路である。なお、図中
、同一符号は同一又は相当部分を示す。
FIG. 1 is a block diagram of a traffic flow measuring device showing an embodiment of this invention, and FIG. 2 is a diagram showing a conventional traffic flow measuring device. In the figure, 1...vehicle, 2...ITV camera, 3...vehicle position sensor, 4...image processing circuit,
5... Image processing circuit, 41... Image memory circuit,
42...Pre-processing circuit, 43...Vehicle tracking circuit, 4
4...Traffic parameter measurement circuit, 45...Preprocessing circuit, 46...Vehicle tracking circuit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
して出力するＩＴＶカメラと、このＩＴＶカメラ
によつて得られた画像情報中の定められた領域内
に存在する車両を検出、追跡することにより車速
、車間、交通量等の交通パラメータを計測する画
像処理回路と、この画像処理回路の測定開始点に
対応するトンネル内の地点に設置され、車両の通
過を検出して検出信号を上記画像処理回路に出力
する車両位置センサとを具備したことを特徴とす
る交通流計測装置。 An ITV camera that photographs vehicles traveling in a tunnel and outputs them as image information, and detects and tracks vehicles existing within a predetermined area in the image information obtained by this ITV camera, and calculates vehicle speed and distance between vehicles. , an image processing circuit that measures traffic parameters such as traffic volume, and an image processing circuit that is installed at a point in the tunnel corresponding to the measurement start point of this image processing circuit, detects the passing of a vehicle, and outputs a detection signal to the image processing circuit. A traffic flow measuring device characterized by comprising a vehicle position sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8364989U JPH0325996U (en) | 1989-07-17 | 1989-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8364989U JPH0325996U (en) | 1989-07-17 | 1989-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0325996U true JPH0325996U (en) | 1991-03-18 |
Family
ID=31631488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8364989U Pending JPH0325996U (en) | 1989-07-17 | 1989-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325996U (en) |
-
1989
- 1989-07-17 JP JP8364989U patent/JPH0325996U/ja active Pending
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