| Presentation | 2002/7/18 Robust Detection of Vehicles in a Parking Lot with Illumination Change by Image Processing Chihping Hsu, Toshimitsu Tanaka, Noboru Sugie, Kouzi Ueda, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We propose a method of detecting the existence of parked vehicles by processing the image of a parking lot taken by a surveillance camera. Whenever we want to park a car at a parking lot, how to find a proper parking division there causes a serious problem. The objective of the present article is in providing drivers with such information as the lot is fully occupied or relatively vacant, where unoccupied parking divisions are found, and so on. We employ images, since all areas in the parking lot can be observed with relatively few cameras, the system is compact, and the cost is not expensive. The image of a parking lot is taken by a surveillance camera set at some height in the parking lot. The relevant issues are how to cope with both temporal-and-spatial changes in illumination, how to discriminate shadows from vehicles, how to cope with occlusion, and how to cope with various surface refiectances of vehicles. To cope with these issues we transform the gray levels of the input images with log-transform, extracts edges and counts the number in each parking division, and then decides if each division is occupied or not. The recognition rate for a set of images taken at various moments of a day were about 96.9%. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Image processing / parking lot / detection of vehicle / machine vision / logarithmic transform |
| Paper # | ITS2002-16 |
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| Conference Information | |
| Committee | ITS |
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| Conference Date | 2002/7/18(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Intelligent Transport Systems Technology (ITS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Robust Detection of Vehicles in a Parking Lot with Illumination Change by Image Processing |
| Sub Title (in English) | |
| Keyword(1) | Image processing |
| Keyword(2) | parking lot |
| Keyword(3) | detection of vehicle |
| Keyword(4) | machine vision |
| Keyword(5) | logarithmic transform |
| 1st Author's Name | Chihping Hsu |
| 1st Author's Affiliation | Department of Electrical and Electronic Engineering, Meijo University() |
| 2nd Author's Name | Toshimitsu Tanaka |
| 2nd Author's Affiliation | Department of Electrical and Electronic Engineering, Meijo University |
| 3rd Author's Name | Noboru Sugie |
| 3rd Author's Affiliation | Department of Elrctrical and Electronic Engineering, Meijo University |
| 4th Author's Name | Kouzi Ueda |
| 4th Author's Affiliation | Nagoya Electric Works Co.,Ltd |
| Date | 2002/7/18 |
| Paper # | ITS2002-16 |
| Volume (vol) | vol.102 |
| Number (no) | 233 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |