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Traditional, the hardcopy of cadastral map is an important historical evidence for the land parcels information in the Land Office. However, the paper is not easy to save and the size of the scanner is not large enough for digital storage either. In this study, multi-view image processing technology is applied to create a true ortho-photo of cadastral map for solving the storage problem.
Various coordinate systems of cadastral map are not very easy to be unified in Taiwan area due to temporal-spatial limitation of these maps. Therefore, the urban planning map, topographic map and other base map cannot integrate into geographic information system (GIS) for additional value-added applications. Cadastral map is directly related to the people's property, it is essential to develop “three...
In process of 3D image reconstruction, the local image breakage or mismatch are appeared when the objects have high reflection and uniform color properties, such as, windshield of car, reflective paint, etc. In this study, the above-mentioned conditions are overcame by introducing the different statement of software processing to examine the 3D model reconstruction of car. Four types processes, extract...
The accuracy of the image is dependent on the quality parameters of camera. The camera parameters is obtained from the target calibration of the test bench in past. Recently, the image processing software can be dealt with the target-free calibration by internal programming. In this research, the images of unmanned aerial vehicle (UAV) are examined by two types of processes, target calibration and...
We present a novel vision-based traffic monitoring system, which is inspired by the visual structure found in raptors, for tracking expressway vehicles and estimation of their real-world speed over a longer range compared to the typical, single-camera monitoring systems. This vision system features a license plate detection camera that is triggered whenever there is an instance of overspeeding. The...
The basic concept of video streaming over several vehicular platforms, the main requirements from those different applications are described. The common challenges from these sectors are studied; an actual design overcoming part of these difficulties is reported. Section I is the introduction of the challenges, section II is the briefing for the customized solution, section III is the detail design...
Precise pupil features detection is an important factor for screening diabetic retinopathy. Some interferences caused by reflections, eyelashes and eyelids in pupil extraction need to be solved. This paper presents an algorithm to precisely estimate pupil features: pupil center and pupil radius. The system's hardware component allows for high frame rate image acquisition under infrared lighting conditions...
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