A novel frequency domain technique for image blocking artifact detection is presented. The algorithm detects the regions of the image which present visible blocking artifacts. This detection is performed in the frequency domain and uses the estimated relative quantization error calculated when the DCT coefficients are modeled by a Laplacian probability function. Experimental results illustrating the performance of the proposed method are presented and evaluated.
Detection of blocking artifacts of compressed still images
01.01.2001
670290 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Detection of Blocking Artifacts of Compressed Still Images
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