| Presentation | 1995/11/10 Perceiving Edge Location for Smooth Luminance Change Yuriko Mizoe, Toshio Inui, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Humans perceive an edge even for smooth luminance change. In this paper, we examine estimating the subjective edge location of a blurred pattern that has smooth luminance change and is shaped a concentric circle on a CRT. It is then maked clear that the characteristic of perception is non-linear. We propose a new model that contains non-linear transducer function for luminance and predicts a perceived edge location better than the output with a linear operator, which is the zero-crossing with simple Lapracian-Gaussian filter. We compare several kinds of non-linear transducer functions found in the mechanism of visual processing. It appears that the new models which contains a logarithmic function or an exponential function, simulates human data very well. Finally, we propose an equation that evaluates variability in subjective]y estimation of the edge location. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | edge detection / Marr-Hildreth operator / zero-crossing / non-linearity / luminance / variability |
| Paper # | HIP95-22 |
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| Conference Information | |
| Committee | HIP |
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| Conference Date | 1995/11/10(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Paper Information | |
| Registration To | Human Information Processing (HIP) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Perceiving Edge Location for Smooth Luminance Change |
| Sub Title (in English) | |
| Keyword(1) | edge detection |
| Keyword(2) | Marr-Hildreth operator |
| Keyword(3) | zero-crossing |
| Keyword(4) | non-linearity |
| Keyword(5) | luminance |
| Keyword(6) | variability |
| 1st Author's Name | Yuriko Mizoe |
| 1st Author's Affiliation | Matsushita Electric Works, Ltd. Lighting Products Research & Development Laboratory() |
| 2nd Author's Name | Toshio Inui |
| 2nd Author's Affiliation | Department of Psychology, Faculty of Letter, Kyoto University |
| Date | 1995/11/10 |
| Paper # | HIP95-22 |
| Volume (vol) | vol.95 |
| Number (no) | 349 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |