Study on the Effect of Gaze Position and Image Brightness on Peripheral Dimming Technique
Here, we study a low-power technique for displays based on gaze tracking, called peripheral dimming. In this work, the threshold levels of the lightness reduction ratio (LRR), where people notice differences in brightness, depending on gaze positions and image brightness, are investigated. A psychop...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-08-01
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| Series: | Electronics |
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| Online Access: | https://www.mdpi.com/2079-9292/10/16/1896 |
| _version_ | 1797524103852195840 |
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| author | Jeong-Sik Kim Won-Been Jeong Byeong Hun An Seung-Woo Lee |
| author_facet | Jeong-Sik Kim Won-Been Jeong Byeong Hun An Seung-Woo Lee |
| author_sort | Jeong-Sik Kim |
| collection | DOAJ |
| description | Here, we study a low-power technique for displays based on gaze tracking, called peripheral dimming. In this work, the threshold levels of the lightness reduction ratio (LRR), where people notice differences in brightness, depending on gaze positions and image brightness, are investigated. A psychophysical experiment with five gaze positions and three image brightness conditions is performed, and the estimated threshold levels are obtained. To investigate the significance of the differences between the threshold levels, the overlap method and the Bayesian estimation (BEST) analysis are performed. The analysis results show that the difference of the threshold levels depending on the conditions is insignificant. Thus, the proposed technique can operate with a constant LRR level, regardless of the gaze position or image brightness, while maintaining the perceptual image quality. In addition, the proposed technique reduces the power consumption of virtual reality (VR) displays by 12–14% on average. We believe that the peripheral dimming technique would contribute to reducing the power of the self-luminous displays used for VR headsets with an integrated eye tracker. |
| first_indexed | 2024-03-10T08:52:36Z |
| format | Article |
| id | doaj.art-64cffdbc4185411fbaa86f5df7703e14 |
| institution | Directory Open Access Journal |
| issn | 2079-9292 |
| language | English |
| last_indexed | 2024-03-10T08:52:36Z |
| publishDate | 2021-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Electronics |
| spelling | doaj.art-64cffdbc4185411fbaa86f5df7703e142023-11-22T07:24:11ZengMDPI AGElectronics2079-92922021-08-011016189610.3390/electronics10161896Study on the Effect of Gaze Position and Image Brightness on Peripheral Dimming TechniqueJeong-Sik Kim0Won-Been Jeong1Byeong Hun An2Seung-Woo Lee3Department of Information Display, Kyung Hee University, Seoul 02447, KoreaDepartment of Information Display, Kyung Hee University, Seoul 02447, KoreaDepartment of Information Display, Kyung Hee University, Seoul 02447, KoreaDepartment of Information Display, Kyung Hee University, Seoul 02447, KoreaHere, we study a low-power technique for displays based on gaze tracking, called peripheral dimming. In this work, the threshold levels of the lightness reduction ratio (LRR), where people notice differences in brightness, depending on gaze positions and image brightness, are investigated. A psychophysical experiment with five gaze positions and three image brightness conditions is performed, and the estimated threshold levels are obtained. To investigate the significance of the differences between the threshold levels, the overlap method and the Bayesian estimation (BEST) analysis are performed. The analysis results show that the difference of the threshold levels depending on the conditions is insignificant. Thus, the proposed technique can operate with a constant LRR level, regardless of the gaze position or image brightness, while maintaining the perceptual image quality. In addition, the proposed technique reduces the power consumption of virtual reality (VR) displays by 12–14% on average. We believe that the peripheral dimming technique would contribute to reducing the power of the self-luminous displays used for VR headsets with an integrated eye tracker.https://www.mdpi.com/2079-9292/10/16/1896self-luminous displaylow-power techniquehuman visual systemperceptual image qualityperipheral vision |
| spellingShingle | Jeong-Sik Kim Won-Been Jeong Byeong Hun An Seung-Woo Lee Study on the Effect of Gaze Position and Image Brightness on Peripheral Dimming Technique Electronics self-luminous display low-power technique human visual system perceptual image quality peripheral vision |
| title | Study on the Effect of Gaze Position and Image Brightness on Peripheral Dimming Technique |
| title_full | Study on the Effect of Gaze Position and Image Brightness on Peripheral Dimming Technique |
| title_fullStr | Study on the Effect of Gaze Position and Image Brightness on Peripheral Dimming Technique |
| title_full_unstemmed | Study on the Effect of Gaze Position and Image Brightness on Peripheral Dimming Technique |
| title_short | Study on the Effect of Gaze Position and Image Brightness on Peripheral Dimming Technique |
| title_sort | study on the effect of gaze position and image brightness on peripheral dimming technique |
| topic | self-luminous display low-power technique human visual system perceptual image quality peripheral vision |
| url | https://www.mdpi.com/2079-9292/10/16/1896 |
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