Hidehisa NAGANO


Bayesian Exponential Inverse Document Frequency and Region-of-Interest Effect for Enhancing Instance Search Accuracy
Masaya MURATA Hidehisa NAGANO Kaoru HIRAMATSU Kunio KASHINO Shin'ichi SATOH 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/09/01
Vol. E99-D  No. 9  pp. 2320-2331
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
video retrievalinstance searchregion-of-interestTRECVIDprobabilistic information retrievalBM25exponential IDFBayesian exponential IDF
 Summary | Full Text:PDF(1.9MB)

An Efficient Implementation Method of a Metric Computation Accelerator for Fractal Image Compression Using Reconfigurable Hardware
Hidehisa NAGANO Akihiro MATSUURA Akira NAGOYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/01/01
Vol. E84-A  No. 1  pp. 372-377
Type of Manuscript:  LETTER
Category: VLSI Design Technology and CAD
Keyword: 
fractal image compressionmetric computationreconfigurable hardwarepipeline processing
 Summary | Full Text:PDF(197.7KB)

Average Complexity Evaluation of an MLD Algorithm Using the Trellis Structure for a Linear Block Code
Hidehisa NAGANO Toru FUJIWARA Tadao KASAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/09/25
Vol. E78-A  No. 9  pp. 1209-1214
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
maximum likelihood decodinglinear block codeBCH codeReed-Muller codeL-section minimal trellis diagram
 Summary | Full Text:PDF(451KB)