Keyword : contrast


Color-to-Gray Conversion Method Considering Contrasts in Color Image
Shi BAO Zhiqiang LIU Go TANAKA 
Publication:   
Publication Date: 2018/11/01
Vol. E101-A  No. 11 ; pp. 1849-1853
Type of Manuscript:  Special Section LETTER (Special Section on Smart Multimedia & Communication Systems)
Category: Image
Keyword: 
color-to-gray conversioncontrastvariancecolor image
 Summary | Full Text:PDF(1.7MB)

Color Image Enhancement Method with Variable Emphasis Degree
Hiromu ENDO Akira TAGUCHI 
Publication:   
Publication Date: 2018/04/01
Vol. E101-A  No. 4 ; pp. 713-722
Type of Manuscript:  PAPER
Category: Image
Keyword: 
color image enhancementdifferential gray-level histogram equalizationintensity saturationcontrastcolorfulness
 Summary | Full Text:PDF(8.8MB)

Method for Evaluating Performance of Wipers Based on Visibility
Takashi KITAYAMA Mikiko KAWASUMI Hatsuo YAMASAKI Tomoaki NAKANO Shin YAMAMOTO Muneo YAMADA Yuta DOI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/11/01
Vol. E95-C  No. 11 ; pp. 1716-1723
Type of Manuscript:  INVITED PAPER (Special Section on Electronic Displays)
Category: 
Keyword: 
wipervisibilitywiping performancefrequency analysiscontrast
 Summary | Full Text:PDF(5.6MB)

Estimation of the Visibility Distance by Stereovision: A Generic Approach
Nicolas HAUTIERE Raphael LABAYRADE Didier AUBERT 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/07/01
Vol. E89-D  No. 7 ; pp. 2084-2091
Type of Manuscript:  Special Section PAPER (Special Section on Machine Vision Applications)
Category: Intelligent Transport Systems
Keyword: 
meteorological visibilityfogcontraststereovisionsensordriving assistanceintelligent transportation systems
 Summary | Full Text:PDF(1.1MB)

The Optimal n-out-of-n Visual Secret Sharing Scheme for Gray-Scale Images
Mitsugu IWAMOTO Hirosuke YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/10/01
Vol. E85-A  No. 10 ; pp. 2238-2247
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Information Security
Keyword: 
visual secret sharing schemegray-scale imagepolynomial representationcontrastpixel expansion
 Summary | Full Text:PDF(507.3KB)