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Author:

郗慧琴 (郗慧琴.) | 肖创柏 (肖创柏.) | 段娟 (段娟.) | 刘毅 (刘毅.)

Indexed by:

incoPat zhihuiya

Abstract:

POCS超分辨率图像重建时边缘Halo效应的抑制方法,属于图像处理技术领域,包括:读取低分辨率图像序列;采用小波双三次插值法来获取凸集投影的高分辨率初始估计值;采用预滤波亚像素迭代法进行运动估计实现低分辨率图像配准;综合考虑高分辨率估计图像像素点的空间位置信息和灰度信息约束确定具有边缘保持特性的点扩散函数;根据各低分辨率观测帧和参考帧之间的相关性确定可变长的松弛投影参数值;结合所获得的高分辨率初始估计值、具有边缘保持特性的点扩散函数与可变长的松弛投影参数,采用POCS方法进行超分辨率重建,从而提升图像空间分辨率并获得理想的高分辨率图像。本发明能够很大程度上降低重建图像中的边缘Halo效应。

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Patent Info :

Type: 发明授权

Patent No.: CN201310062451.3

Filing Date: 2013-02-27

Publication Date: 2016-01-13

Pub. No.: CN103136734B

Applicants: 北京工业大学

Legal Status: 授权 ; 权利转移

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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