For certain applications, the paper proposes a LOD generation algorithm based on model feature, to measure the value of certain features as weight, and to just the geometrical characteristics and retains the full feat...For certain applications, the paper proposes a LOD generation algorithm based on model feature, to measure the value of certain features as weight, and to just the geometrical characteristics and retains the full feature in the simplified model. Algorithm is simple and intuitive, LOD models can be generated by a continuous smooth transition and meet the requirements of real-time display. Experimental results show the effectiveness of the algorithm. Algorithm is simple and quick, broad applicability, the improve simplified algorithm is very suitable for modulation texture operator, generating algorithm based on a lookup table to meet the model requirements for real-time display.展开更多
感兴趣区域ROI（Region of Interesting）模型和层次细节LOD（Level of detail）模型是静止图像压缩及网络传输技术中两个重要模型。采用基于认知心理学的图像感兴趣区域提取模型，通过显著图法自动地得到与人眼视觉较吻合的ROI区域，并...感兴趣区域ROI（Region of Interesting）模型和层次细节LOD（Level of detail）模型是静止图像压缩及网络传输技术中两个重要模型。采用基于认知心理学的图像感兴趣区域提取模型，通过显著图法自动地得到与人眼视觉较吻合的ROI区域，并使ROI区域获得比背景区域更好的图像效果。同时通过将图像网格化，并在图像网格上进行B样条细分小波变换．实现了图像在不同分辨率下LOD压缩算法。展开更多
文摘For certain applications, the paper proposes a LOD generation algorithm based on model feature, to measure the value of certain features as weight, and to just the geometrical characteristics and retains the full feature in the simplified model. Algorithm is simple and intuitive, LOD models can be generated by a continuous smooth transition and meet the requirements of real-time display. Experimental results show the effectiveness of the algorithm. Algorithm is simple and quick, broad applicability, the improve simplified algorithm is very suitable for modulation texture operator, generating algorithm based on a lookup table to meet the model requirements for real-time display.
文摘感兴趣区域ROI（Region of Interesting）模型和层次细节LOD（Level of detail）模型是静止图像压缩及网络传输技术中两个重要模型。采用基于认知心理学的图像感兴趣区域提取模型，通过显著图法自动地得到与人眼视觉较吻合的ROI区域，并使ROI区域获得比背景区域更好的图像效果。同时通过将图像网格化，并在图像网格上进行B样条细分小波变换．实现了图像在不同分辨率下LOD压缩算法。
