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Considering the widespread problems of road transport, approach of the paper is a system to automatically control the roads by using images from satellite in night and day. Although no coherent system with appropriate performance has been yet introduced to achieve this goal, some methods has been proposed to estimate the road or recognize objects on the road, which have been more based on thresholding...
Object tracking using vision technology is one of the important and complex functions in computer vision. It should become more challenge in case of there are partial occlusions and significant clutter. A mean shift procedure embedded approach for vehicle and pedestrian tracking under real road scenes is presents. A combined hue and saturation of HSI color model and local orientation information are...
Against vertical Sobel operator that most license plate detection (LPD) algorithms adopt, this paper presents a robust and real-time preprocessing method to enhance both edge density and intensity of license plates under various outdoor and indoor environments. The proposed method applies HL subband feature of 2D discrete wavelet transform (DWT) twice to significantly highlight the vertical edges...
The vehicle license plate (VLP) location is the key technique of the vehicle license plate recognition system. The region of license plate has rich edge information and fixed color feature. The location method fusing gray edge and color feature is more accurate and easier than the method only in gray space or in color space. The experiments on 200 Chinese automobile RGB real color images taken from...
Slant Correction plays an important role in the pretreatment during the recognition of vehicle license plate (VLP). To reduce and avoid the interference from the dirt, noise and frame of the VLP, as well as simplify the computation load, a method of slant correction of VLP integrates PCA (Principal Component Analysis) based on color-pair feature and radon transformation is presented in this paper...
The target recognition, beacon tracking and object localization based on omni-directional vision (omni-vision) system are introduced in this paper. The development of omni-vision appears to have definite advantages for the performance of the mobile systems and real time control. We use a fisheye lens with the view angle of 185deg to build the omnidirectional vision system. A prototype of the unique...
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