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This paper proposes an adaptive image denosing method. Conventional non-local means(NLM) method is not able to adaptively choose filter parameter. According to the characteristic value of different image patch, we build a prediction function, which is used to choose a suitable NLM parameter for the image, thus realize the adaptive non-local means filtering. Experimental results illustrate that the...
The crystallization morphology and the melting behavior of the phase-separating poly(ɛ-caprolactone) (PCL) and poly(ethylene oxide) (PEO) blends were studied using atomic force microscopy. Two blends consisting of PCL and PEO with weight ratios of 10/90 and 90/10 were prepared to form the isolated spherical domains by the phase-separating process. The results show that the melting temperatures of...
The crystals of N, N′-dicyclohexyl-2,6-naphthalenedicarboxamide (DC26NDCA) and N,N′-dicyclohexyl-1,4-naphthalenedicarboxamide (DC14NDCA) were selected as nucleating agents to induce the crystallization of isotactic polypropylene (i-PP). The influence of the crystal structures of the nucleating agents on the crystallization behaviors and morphologies was studied by means of differential scanning calorimeter,...
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