JPS57108604A - Detecting method for vehicle existing position - Google Patents
Detecting method for vehicle existing positionInfo
- Publication number
- JPS57108604A JPS57108604A JP18459180A JP18459180A JPS57108604A JP S57108604 A JPS57108604 A JP S57108604A JP 18459180 A JP18459180 A JP 18459180A JP 18459180 A JP18459180 A JP 18459180A JP S57108604 A JPS57108604 A JP S57108604A
- Authority
- JP
- Japan
- Prior art keywords
- signals
- picture
- signal
- lane
- timing
- 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
Landscapes
- Traffic Control Systems (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
PURPOSE: To detect the top position and the tail position of a vehicle on a lane at high speed and low cost, by a method wherein while a bird's-eye view of a road is being commanded the picture of a lane of the road is converted into a picture signal according to the change in luminance of the lane by employing a photoelectric transducer and taken out successively in a time serial manner.
CONSTITUTION: A timing generating part 21 synchronizes with a picture scanning timing and feeds the synchronizing signal to a control part 22. The control part 22 delivers a signal so as to open a gate 15 in synchronism with the timing that picture signals in a lane are processed and corresponding signals "1" or "0" are delivered, according to the signal from the timing generating part 21. After all the picture signals on one scanning line are fed, the control part 22 delivers a signal so as to open a gate 19 in synchronism with the timing that the signals corresponding to those on one scanning line are processed and corresponding signals "1" or "0" are delivered from a comparator 18. Moreover, the control part 22 transmits signals to a counter 16, a buffer 17 and a vehicle position determining part 20 respectively.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18459180A JPS57108604A (en) | 1980-12-25 | 1980-12-25 | Detecting method for vehicle existing position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18459180A JPS57108604A (en) | 1980-12-25 | 1980-12-25 | Detecting method for vehicle existing position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57108604A true JPS57108604A (en) | 1982-07-06 |
Family
ID=16155880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18459180A Pending JPS57108604A (en) | 1980-12-25 | 1980-12-25 | Detecting method for vehicle existing position |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57108604A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014010765A (en) * | 2012-07-02 | 2014-01-20 | Sumitomo Electric Ind Ltd | Mobile object detector, image type sensor, and computer program |
-
1980
- 1980-12-25 JP JP18459180A patent/JPS57108604A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014010765A (en) * | 2012-07-02 | 2014-01-20 | Sumitomo Electric Ind Ltd | Mobile object detector, image type sensor, and computer program |
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