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视觉传达的多帧平面图像纹理细节增强算法 被引量:3
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作者 上官小雨 于跃波 《吉林大学学报(信息科学版)》 CAS 2023年第2期359-366,共8页
为提高多帧平面图像的高清度和质量,提出基于视觉传达的多帧平面图像纹理细节增强算法。根据边缘网络(EdgeNet)算法消除多帧平面图像的噪声干扰,同时强化图像边缘信息,使用色彩映射方程补充图像色彩信息,完成色彩校正,保证视觉传达中色... 为提高多帧平面图像的高清度和质量,提出基于视觉传达的多帧平面图像纹理细节增强算法。根据边缘网络(EdgeNet)算法消除多帧平面图像的噪声干扰,同时强化图像边缘信息,使用色彩映射方程补充图像色彩信息,完成色彩校正,保证视觉传达中色彩的准确率,利用高斯模糊算法提取图像高频信息,通过插值处理得到超分辨率多帧平面图像,经过加窗运算合成超分辨率多帧平面图像,完成多帧平面图像的纹理增强。实验结果表明,采用所提算法的图像纹理细节增强处理的图像更高清、图像质量更佳。 展开更多
关键词 edgenet算法去噪 色彩映射方程 色彩校正 图像插值算法
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Deep learning based curb detection with Lidar
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作者 WANG Xiaohua LIAO Zhonghe +1 位作者 MA Pin MIAO Zhonghua 《High Technology Letters》 EI CAS 2022年第3期272-279,共8页
Curb detection provides road boundary information and is important to road detection.However,curb detection is challenging due to the problems such as various curb shapes,colour,discontinuity.In this work,a novel lear... Curb detection provides road boundary information and is important to road detection.However,curb detection is challenging due to the problems such as various curb shapes,colour,discontinuity.In this work,a novel learning-based method for curb detection is proposed using Lidar point clouds,considering that Lidars are not sensitive to illumination and are relatively stable to weather conditions.A deep neural network,named EdgeNet,is constructed and trained,which handles point clouds in an end-to-end way.After EdgeNet is properly trained,curb points are then segmented in the neural network output.In order to train,a curb point annotation algorithm is also designed to generate training dataset.The curb detection method works well with different road scenarios including intersections.The experimental results validate the effectiveness and robustness of this curb detection method. 展开更多
关键词 curb detection edgenet curb annotation algorithm
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