CASIA OpenIR  > 模式识别国家重点实验室  > 多媒体计算与图形学
基于二阶平滑先验的图像保边平滑快速算法
王颢星1,2; 孟维亮2; 张晓鹏2
Source Publication高科技通讯
2014
Volume24Issue:7Pages:732-738
Other AbstractEdge-preserving smoothing has recently become a valuable tool for a variety of applications in computer graphics and image processing. The previous edge-preserving smoothing methods that employ the first order smoothness prior in the regularization term tend to introduce the staircase effect into the results under the optimization framework. We propose an edge-preserving smoothing method based on second order smoothness prior to avoid this staircase effect that exists in first order smoothness prior methods. Besides, our method uses the binary line process variables to overcome the over-smoothing problem caused by the high order smoothness prior. As the binary variables make the original problem difficult to solve, we design a practical optimization strategy to obtain an approximate solution. Our method can be further accelerated on GPU and can achieve near real time performance. We demonstrate the effectiveness of our method in the applications such as depth map smoothing, cartoon image denoising and edge extraction.
Keyword二阶平滑先验 保边平滑 优化 Gpu加速 深度图处理
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/10787
Collection模式识别国家重点实验室_多媒体计算与图形学
Corresponding Author王颢星
Affiliation1.中科院自动化所精密感知与先进控制中心
2.中科院自动化所模式识别国家重点实验室
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences;  Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China
Corresponding Author AffilicationInstitute of Automation, Chinese Academy of Sciences;  Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
王颢星,孟维亮,张晓鹏. 基于二阶平滑先验的图像保边平滑快速算法[J]. 高科技通讯,2014,24(7):732-738.
APA 王颢星,孟维亮,&张晓鹏.(2014).基于二阶平滑先验的图像保边平滑快速算法.高科技通讯,24(7),732-738.
MLA 王颢星,et al."基于二阶平滑先验的图像保边平滑快速算法".高科技通讯 24.7(2014):732-738.
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