Patent ID: 9019379
Filing Date: 2015-04-28
Classification: G06K,G08G

Abstract:
1. A license plate image-pickup device, taking a scene, and comprising: an image sensing module, arranged for sensing the scene to produce an image; a recognition module, arranged for recognizing a vehicle object contained in the image; a processing module, arranged for adjusting an exposure of the vehicle object to produce an exposure adjusted vehicle object, and the recognition module further recognizing a license plate object contained in the exposure adjusted vehicle object, and the processing module further adjusting the exposure of the license plate object; and a metering module for metering the scene to produce an image exposure data, metering the license plate object to produce a license plate exposure data, and metering an area other than the license plate object contained in the scene to produce an area exposure data, wherein the processing module adjusts the exposure of the image according to the image exposure data, the license plate exposure data and the area exposure data, and the license plate exposure data has a different weight value according to a different size of the license plate object or a different position of the license plate object contained in the scene.