An Improvement of the Non-Local Filter in Image Denoising by a Rotation-Invariant Similarity Measure

Research Area: Volume 6, Issue 4, July 2017 Year: 2017
Type of Publication: Article Keywords: Image Denoising, Non-local Filter, Rotation-Invariant Similarity Measure
  • Bo Sun
  • Nianyong Ni
Journal: IJEIR Volume: 6
Number: 4 Pages: 185-187
Month: July
ISSN: 2277-5668
An improved image denoising technique based on the non-local means algorithm is investigated. The proposed method defines the similarity-distance between two patches by rotating either one and taking the minimal Weighed Euclidean distance. The comparative experimental results show that the improved NL-means filter achieves better denoising performances

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