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Digitally Reconstructed Radiograph has been widely used in 2D-3D image registration. This paper adopted an improved method which optimizes the parallelization on GPU to accelerate DRR generation. A cubic window is proposed to preprocess the object data, which helps accelerate the DRR generation. According to the Cuda-based experimental results, the improvement is quite obvious and the image quality...
Open Computing Language (OpenCL) is a fundamental technology for cross-platform parallel programming. The emerging of OpenCL provides portable and efficient access to the power of modern processors. This revolutionary new technology is applied to accelerate the reconstruction of cone beam computed tomography (CBCT) on Graphics Processing Unit (GPU) in this paper. An OpenCL-based implementation of...
This paper studies on a new type vehicle video blackbox with acceleration sensitive function. Different with common blackbox on car, the system can record and store the analog video to H.264 bi stream files when acceleration exceeds the limitation value. The acceleration sensitive algorithm is derived. Experiments and calibration results are also given.
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