Imaging system for a vehicle which compares a reference image which includes a mark which is fixed to said vehicle to subsequent images
US5850254A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1995 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Jun 1, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30252
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An environment recognition device formed in such a manner that an image sensor is installed so that an image sensor mounting location recognition mark falls within an image pickup area, comparator for comparing mark locations the images of which are picked up sequentially by the image sensor with respect to the initial location of the recognition mark in the image pickup area is provided, and, when it is detected that the mark location recognized sequentially has changed with respect to the initial location, an indication signal for indicating that correction of the location of installing the image sensor is required is outputted, thereby to prevent erroneous decision in image processing when the mounting position changes by vibration, contact or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.