| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| HI |
2023-03-15
13:25 |
Online |
|
Modeling the luminance contrast sensitivity function in full visual field
Koutaro Kitakami, Suguru Saito (titech), Keiji Uchikawa (kait) |
Human spatial contrast sensitivity functions(CSFs) are useful for applications in graphics rendering, saliency analysis,... [more] |
HI2023-10
pp.17-20 |
| IEICE-HIP, HI, VRPSY [detail] |
2023-02-22
10:30 |
Toyama |
(Primary: On-site, Secondary: Online) |
Measuring the luminance contrast sensitivity function in the superior and inferior visual fields
Koutaro Kitakami, Suguru Saito (titech), Keiji Uchikawa (kait) |
Human contrast sensitivity functions, measured from human contrast detection thresholds as functions of spatial frequenc... [more] |
HI2023-1
pp.11-16 |
| HI, VRPSY, JSKE |
2022-11-25
16:55 |
Osaka |
Kindai Univ. |
Does ipRGC response contribute to glare sensation?
Masahiro Suzuki (Seisen Univ.), Takehiro Nakatsue (Kanagawa Inst. Tech.), Osamu Masuda (Niigata Univ. Health Welfare), Keiji Uchikawa (Kanagawa Inst. Tech.) |
This study reviewed our studies on contribution of intrinsically photosensitive Retinal Ganglion Cell (ipRGC) to glare s... [more] |
HI2022-32
pp.35-38 |
| HI, VRPSY |
2020-11-27
16:50 |
Online |
|
Training conditions required for color constancy based on machine learning
Takuma Morimoto (Univ. Oxford), Masahiro Suzuki (KAIT), Kowa Koida (TUT), Kazuho Fukuda (Kogakuin Univ.), Keiji Uchikawa (KAIT) |
[more] |
HI2020-71
pp.45-48 |
| ME, IEICE-IE, IEICE-ITS, MMS, HI, AIT [detail] |
2019-02-19
11:45 |
Hokkaido |
Hokkaido Univ. |
A Preliminary Study on Color Constancy Using Chicks as Subjects
Ai Takeuchi, Masaki Ishizuka, Masahiro Suzuki (Tokiwa Univ.), Keiji Uchikawa (Kanagawa Inst. Tech.) |
This study examined the experiments using animal subjects to reveal the mechanism of human color constancy. Previous stu... [more] |
MMS2019-12 HI2019-12 ME2019-34 AIT2019-12
pp.75-78 |
| HI, VRPSY |
2017-11-24
16:25 |
Ishikawa |
Kanazawa Institute of Technology |
The effect of L/M cone ratio in luminance detection
-- noise effect and contribution ratio --
Ryusuke Saito, Takehiro Nagai, Tomonori Tasiro, Yasuki Yamauchi (Yamagata Univ), Keiji Uchikawa (Kanagawa Univ) |
[more] |
HI2017-71
pp.17-20 |
| IEICE-EID, IDY, HI, 3DMT, IEE-OQD, SID-JC [detail] |
2017-10-26
14:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg |
Toward a color display fused with its surrounding environment
-- Evaluation of the influence of visual-field metamerism using a hyperspectral display --
Masahiro Yamaguchi, Yukako Nakama (Tokyo Tech), Keiji Uchikawa (Kanagawa Univ) |
[more] |
|
| IDY |
2016-03-11
15:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
Development and Application of Hyperspectral Two-Dimension Display
Makoto Saika, Takuji Sato, Keisuke Yoshida, mitsuharu yamada (Topcon Corp.), Keiji Uchikawa (Tokyo Inst. Tec.) |
We have developed a hyperspectral two-dimensional display, which covers full color gamut and generates hyperspectral two... [more] |
IDY2016-20
pp.17-20 |
| HI, VRPSY |
2015-11-13
15:30 |
Kagoshima |
Korimoto Campus, Kagoshima Univ. |
Development of an adaptive optics visual simulator for contrast sensitivity function measurement
Tatsuo Yamaguchi (TOPCON), Keiji Uchikawa (Tokyo Tech) |
We developed an adaptive optics visual simulator (AOVS) to study the relationship between the aberration of human eye an... [more] |
HI2015-63
pp.15-17 |
| HI, VRPSY |
2015-11-13
17:20 |
Kagoshima |
Korimoto Campus, Kagoshima Univ. |
Relationship between chromatic detection thresholds with L and M cone noise masking and L/M ratio.
Makito Sato, Keiji Uchikawa (Tokyo Tech) |
[more] |
HI2015-67
pp.27-30 |
| HI, VRPSY |
2015-11-14
11:30 |
Kagoshima |
Korimoto Campus, Kagoshima Univ. |
Relationship between luminance distribution statistics of an image and gold perception
Tomohisa Matsumoto, Keiji Uchikawa (Tokyo Tech) |
We investigated (1) the relationship between gold appearance, metallic appearance, and glossiness, and (2) what statisti... [more] |
HI2015-76
pp.59-62 |
| HI |
2015-03-10
15:35 |
Tokyo |
Tokyo University of Agriculture and Technology |
Measurement of illuminant color-discrimination threshold using natural hyperspectral natural images and simulated daylights
Tomohiro Sakai (Tokyo Tech), Kazuho Fukuda (Kogakuin Univ.), Keiji Uchikawa, Toshifumi Mihashi (Tokyo Tech) |
[more] |
HI2015-53
pp.33-36 |
| HI |
2014-11-28
14:15 |
Kumamoto |
Kumamoto City International Center |
Influences of different surrounds on brown perception
Takuma Morimoto (Tokyo Tech), Steven. L. Buck (UW), Keiji Uchikawa (Tokyo Tech) |
When yellow targets are surrounded by higher-luminance stimuli, they are perceived as brown. Previous studies examined s... [more] |
HI2014-62
pp.9-12 |
| HI |
2014-03-05
10:20 |
Tokyo |
Tokyo University of Agriculture and Technology |
Physical Limitation of Object Color's Luminance and Critical Luminance for the Transition of Color Appearance Mode
Kazuho Fukuda, Ai Numata, Keiji Uchikawa (Tokyo Tech.) |
The maximum luminance of an object color is physically restricted by its illuminant condition. To understand whether hum... [more] |
HI2014-40
pp.49-52 |
| HI |
2013-12-07
09:00 |
Okinawa |
Okinawa Industry Support Center |
Effects of visual attention on the chromatic and achromatic channels
Keiko Kuwamura, Masayuki Sato (Univ. of Kitakyushu), Keiji Uchikawa (Tokyo Tech.) |
Magnitudes of attentional influence on chromatic and achromatic channels were examined using a dual-task paradigm. In ex... [more] |
HI2013-70
pp.29-32 |
| HI |
2013-12-07
09:25 |
Okinawa |
Okinawa Industry Support Center |
Measurement of Illuminant-Color Discrimination Thresholds Using Hyperspectral Images of Natural Scenes
Tomohiro Sakai, Kazuho Fukuda, Toshifumi Mihashi, Keiji Uchikawa (Tokyo Tech) |
[more] |
HI2013-71
|
| HI |
2013-12-07
09:50 |
Okinawa |
Okinawa Industry Support Center |
Influence of differences in expressions of angry and happy on occurrence of facial-expression-contingent color aftereffects
Kei Ishiguro, Kazuho Fukuda, Keiji Uchikawa (Tokyo Tech) |
[more] |
HI2013-72
pp.33-36 |
| HI |
2012-12-02
15:05 |
Okinawa |
Okinawa Industry Support Center |
[Invited Talk]
Determination characteristics for vection yielded by two optical flows
Yuki Kawashima, Kazuho Fukuda, Keiji Uchikawa (Tokyo Tech) |
We investigated the characteristic of speed of vection occurred from two optical flows that were overlapped in the same ... [more] |
HI2012-82
pp.17-23 |
| HI |
2012-12-02
17:00 |
Okinawa |
Okinawa Industry Support Center |
Development of Hyperspectral Display
-- History to develop 2 dimensional hyperspectral displays --
Toshifumi Mihashi, Keiji Uchikawa, Kazuho Fukuda (Titech), Keisuke Yoshida (Topcon) |
[more] |
HI2012-85
pp.33-34 |
| HI |
2012-12-02
17:30 |
Okinawa |
Okinawa Industry Support Center |
Influence of luminance-chromaticity distribution of surrounding colors and illuminant color temperatures on luminosity threshold for the surface color mode perception
Ai Numata, Kazuho Fukuda, Keiji Uchikawa (Tokyo Tech) |
[more] |
HI2012-86
pp.35-38 |