Takanori FUJISAWA


Random-Valued Impulse Noise Removal Using Non-Local Search for Similar Structures and Sparse Representation
Kengo TSUDA Takanori FUJISAWA Masaaki IKEHARA 
Publication:   
Publication Date: 2017/10/01
Vol. E100-A  No. 10  pp. 2146-2153
Type of Manuscript:  PAPER
Category: Image
Keyword: 
image denoisingrandom-valued impulse noisesparse representationDCT basis
 Summary | Full Text:PDF(3.2MB)

Image Restoration of JPEG Encoded Images via Block Matching and Wiener Filtering
Yutaka TAKAGI Takanori FUJISAWA Masaaki IKEHARA 
Publication:   
Publication Date: 2017/09/01
Vol. E100-A  No. 9  pp. 1993-2000
Type of Manuscript:  PAPER
Category: Image
Keyword: 
JPEGsignificationblock noisewiener filterblock matchingdiscrete cosine transformRGB color spaceYCbCR color spaceminimization problem
 Summary | Full Text:PDF(1.6MB)

Blind Image Deconvolution Using Specified 2-D HPF for Feature Extraction and Conjugate Gradient Method in Frequency Domain
Takanori FUJISAWA Masaaki IKEHARA 
Publication:   
Publication Date: 2017/03/01
Vol. E100-A  No. 3  pp. 846-853
Type of Manuscript:  PAPER
Category: Image
Keyword: 
deblurringfeature extractionoptimization
 Summary | Full Text:PDF(6.2MB)

Single Image Super Resolution by l2 Approximation with Random Sampled Dictionary
Takanori FUJISAWA Taichi YOSHIDA Kazu MISHIBA Masaaki IKEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/02/01
Vol. E99-A  No. 2  pp. 612-620
Type of Manuscript:  PAPER
Category: Image
Keyword: 
single image super resolutionl2-norm minimizationexample-based
 Summary | Full Text:PDF(2MB)