| Paper Abstract and Keywords |
| Presentation |
2011-12-10 14:50
Generation of the moire in the spatial frequency beyond threshold detection
-- Response for the banding by the single carrier with a single side band --
Koichiro Shinohara, Kazuho Fukuda, Keiji Uchikawa (TokyoTech) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
When jitter is attached to a regional screen beyond the visual spatial frequency response, banding (a transversal line) occurs. Therefore we confirmed the banding appearance when we gave screen as carrier with the single frequency, and jitter as side band by experiment. The following became clear with screen frequency 69cpd, jitter frequency 5.2cpd and sensitivity by 2AFC. a) The 2nd order harmonics or higher decreases the banding recognition rate. b) The contribution of cross term within carrier and side band is big, and strongly suggested the presence of nonlinearity before V1. As a result, moiré is regarded as the main factor of the banding. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Hyperacuity / Jitter / Moiré / Banding / Carrier / Side band / Harmonic wave / |
| Reference Info. |
ITE Tech. Rep., vol. 35, no. 51, HI2011-92, pp. 81-84, Dec. 2011. |
| Paper # |
HI2011-92 |
| Date of Issue |
2011-12-02 (HI) |
| ISSN |
Print edition: ISSN 1342-6893 |
| Download PDF |
|
| Conference Information |
| Committee |
HI |
| Conference Date |
2011-12-09 - 2011-12-10 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Okinawa Industry Support Center |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
HI |
| Conference Code |
2011-12-HI |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Generation of the moire in the spatial frequency beyond threshold detection |
| Sub Title (in English) |
Response for the banding by the single carrier with a single side band |
| Keyword(1) |
Hyperacuity |
| Keyword(2) |
Jitter |
| Keyword(3) |
Moiré |
| Keyword(4) |
Banding |
| Keyword(5) |
Carrier |
| Keyword(6) |
Side band |
| Keyword(7) |
Harmonic wave |
| Keyword(8) |
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| 1st Author's Name |
Koichiro Shinohara |
| 1st Author's Affiliation |
Tokyo Institute of Technology (TokyoTech) |
| 2nd Author's Name |
Kazuho Fukuda |
| 2nd Author's Affiliation |
Tokyo Institute of Technology (TokyoTech) |
| 3rd Author's Name |
Keiji Uchikawa |
| 3rd Author's Affiliation |
Tokyo Institute of Technology (TokyoTech) |
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| Speaker |
Author-1 |
| Date Time |
2011-12-10 14:50:00 |
| Presentation Time |
25 minutes |
| Registration for |
HI |
| Paper # |
HI2011-92 |
| Volume (vol) |
vol.35 |
| Number (no) |
no.51 |
| Page |
pp.81-84 |
| #Pages |
4 |
| Date of Issue |
2011-12-02 (HI) |