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New Gradient Inverse Weighting Filter and Its Properties(PDF)

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2003年04期
Page:
390-394
Research Field:
Publishing date:

Info

Title:
New Gradient Inverse Weighting Filter and Its Properties
Author(s):
XiaoLiang WuHuizhong WeiZhihui ① Tan gShuchun ②
Department of Computer Science and Technology,① Graduate Schoo l, NUST, Nanjing 210094)
Keywords:
weighting filter total variation model neighborhood system digital f ilter
PACS:
TN713
DOI:
-
Abstract:
Based on the classical gradient inverse weighting filter, a new gradient inverse weighting filter for signal denoising and image enhancement is proposed. In the filter, the filter stencil and the parameter lifting gradient modulus is defined. In iterations process, it solves a global total variational optimization problem. The feasibility of the filter in de noising and edge preserving is demonstrated with experiments, and some results in theory between the filter and total variat ion model are proved in mathemat ically.

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Last Update: 2013-03-17