JPH0455557U - - Google Patents
Info
- Publication number
- JPH0455557U JPH0455557U JP9764490U JP9764490U JPH0455557U JP H0455557 U JPH0455557 U JP H0455557U JP 9764490 U JP9764490 U JP 9764490U JP 9764490 U JP9764490 U JP 9764490U JP H0455557 U JPH0455557 U JP H0455557U
- Authority
- JP
- Japan
- Prior art keywords
- road surface
- polarizing filter
- condition
- recognition marks
- various recognition
- 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 4
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Closed-Circuit Television Systems (AREA)
Description
第１図は本考案の装置全体構成を示すブロツク
図、第２図は従来装置の構成を示すブロツク図、
第３図は本考案の認識パターンの一例を示す図で
ある。
１……水膜認識用光源、２……認識用マーク、
３……偏光フイルタ、５……テレビカメラ、６…
…画像解析装置、７……モニタ、８……背景、９
……水膜、１３……積雪検出用パターン、１４…
…輝度検出パターン、１５……湿潤検出用パター
ン。
FIG. 1 is a block diagram showing the overall configuration of the device of the present invention, FIG. 2 is a block diagram showing the configuration of a conventional device,
FIG. 3 is a diagram showing an example of the recognition pattern of the present invention. 1...Light source for water film recognition, 2...Recognition mark,
3...Polarizing filter, 5...TV camera, 6...
...Image analysis device, 7...Monitor, 8...Background, 9
...Water film, 13...Snow detection pattern, 14...
...Brightness detection pattern, 15...Moisture detection pattern.
Claims (1)
種認識用マークを偏光フイルタを取付けた認識用
光源で照明し、上記偏光フイルタと同特性の偏光
フイルタを取付けたテレビジヨンカメラで撮影し
、上記各種認識用マークの撮像画像状態に基づき
、路面の乾燥、湿潤、積雪等の状態判別を行うこ
とを特徴とする路面状態検知装置。 Various recognition marks of predetermined shapes drawn on the road surface for detecting road surface conditions are illuminated with a recognition light source equipped with a polarizing filter, and photographed with a television camera equipped with a polarizing filter with the same characteristics as the polarizing filter described above. A road surface condition detection device that determines the condition of a road surface, such as dryness, wetness, snow cover, etc., based on the condition of captured images of various recognition marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9764490U JPH0455557U (en) | 1990-09-19 | 1990-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9764490U JPH0455557U (en) | 1990-09-19 | 1990-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0455557U true JPH0455557U (en) | 1992-05-13 |
Family
ID=31838202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9764490U Pending JPH0455557U (en) | 1990-09-19 | 1990-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0455557U (en) |
-
1990
- 1990-09-19 JP JP9764490U patent/JPH0455557U/ja active Pending
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