| Paper Abstract and Keywords |
| Presentation |
2024-10-04 14:20
A Proposal of Luminance-and-hue Preserving Saturation Enhancement Method by Using Gamma Correction
Keita Higuchi, Ayaka Fujita (Yamaguchi Univ.), Mashiho Mukaida (Kagoshima Univ.), Noriaki Suetake (Yamaguchi Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Many saturation enhancement methods have been proposed for color images.
However, many of them have the problems that only the saturation can be adjusted independently and freely, and the luminance of the input image is not preserved.
In this report, we propose a hue and luminance preserving saturation enhancement method based on gamma correction.
In the proposed method, saturation is calculated as the ratio of the distance from the achromatic axis to the most saturated point to the distance from the achromatic axis to the input pixel value on the equi-luminance line of the input intensity value, and saturation is enhanced by applying gamma correction.
The output values are calculated so that they are rearranged with in the equi-hue triangle plane, which preserves the hue of the input image.
Experimental results show the effectiveness of the proposed method through qualitative and quantitative evaluations. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
saturation enhancement / hue preserving / equi-hue plane / saturation / luminance / gamma correction / / |
| Reference Info. |
ITE Tech. Rep. |
| Paper # |
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| Date of Issue |
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| ISSN |
Online edition: ISSN 2424-1970 |
| Download PDF |
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| Conference Information |
| Committee |
IEICE-SIS BCT |
| Conference Date |
2024-10-03 - 2024-10-04 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Hokusei Gakuen Univ. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
IEICE-SIS |
| Conference Code |
2024-10-SIS-BCT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A Proposal of Luminance-and-hue Preserving Saturation Enhancement Method by Using Gamma Correction |
| Sub Title (in English) |
|
| Keyword(1) |
saturation enhancement |
| Keyword(2) |
hue preserving |
| Keyword(3) |
equi-hue plane |
| Keyword(4) |
saturation |
| Keyword(5) |
luminance |
| Keyword(6) |
gamma correction |
| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Keita Higuchi |
| 1st Author's Affiliation |
Yamaguchi University (Yamaguchi Univ.) |
| 2nd Author's Name |
Ayaka Fujita |
| 2nd Author's Affiliation |
Yamaguchi University (Yamaguchi Univ.) |
| 3rd Author's Name |
Mashiho Mukaida |
| 3rd Author's Affiliation |
Kagoshima University (Kagoshima Univ.) |
| 4th Author's Name |
Noriaki Suetake |
| 4th Author's Affiliation |
Yamaguchi University (Yamaguchi Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2024-10-04 14:20:00 |
| Presentation Time |
20 minutes |
| Registration for |
IEICE-SIS |
| Paper # |
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| Volume (vol) |
vol.48 |
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