Auto flash performance test using exposure accuracy
General auto flash focuses on representing the actual object luminance depending on the object's luminance condition, that is, whether it is dark or bright. Although it is an intelligent development, it is hard to find a standard for measuring auto flash performance. In this study, we present a...
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| creator | Park, Kwang Yeol Park, Hyung Ju Young Ho Son Dong Hwan Har |
| description | General auto flash focuses on representing the actual object luminance depending on the object's luminance condition, that is, whether it is dark or bright. Although it is an intelligent development, it is hard to find a standard for measuring auto flash performance. In this study, we present a new auto flash performance measurement. For auto flash performance evaluation, we select the exposure accuracy that affects image quality when exposure failure occurs. For exposure accuracy, these are the methods of measurement. At first, we select the auto flash exposure accuracy that depends on object distance. It evaluates when auto flash measures the equivalent luminance of the same object depending on diverse object distance within the auto flash valid range. The next is auto flash accuracy that depends on object luminance. And lastly, a test of auto flash accuracy that depends on ambient lighting is conducted. Auto flash can recognize ambient lighting and measure the accurate object luminance. |
| doi_str_mv | 10.1109/ISCE.2008.4559453 |
| format | Conference Proceeding |
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Although it is an intelligent development, it is hard to find a standard for measuring auto flash performance. In this study, we present a new auto flash performance measurement. For auto flash performance evaluation, we select the exposure accuracy that affects image quality when exposure failure occurs. For exposure accuracy, these are the methods of measurement. At first, we select the auto flash exposure accuracy that depends on object distance. It evaluates when auto flash measures the equivalent luminance of the same object depending on diverse object distance within the auto flash valid range. The next is auto flash accuracy that depends on object luminance. And lastly, a test of auto flash accuracy that depends on ambient lighting is conducted. Auto flash can recognize ambient lighting and measure the accurate object luminance.</description><identifier>ISSN: 0747-668X</identifier><identifier>EISBN: 9781424424221</identifier><identifier>EISBN: 1424424224</identifier><identifier>DOI: 10.1109/ISCE.2008.4559453</identifier><identifier>LCCN: 2008903447</identifier><language>eng</language><publisher>IEEE</publisher><subject>Area measurement ; Auto flash ; Data analysis ; Digital camera ; Digital cameras ; Exposure accuracy ; Flash photography ; ISO standards ; Lenses ; Luminance ; Manufacturing ; Measurement standards ; Power supplies ; Standards development ; Testing</subject><ispartof>2008 IEEE International Symposium on Consumer Electronics, 2008, p.1-4</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4559453$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,796,2056,27924,54757,54919</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4559453$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Park, Kwang Yeol</creatorcontrib><creatorcontrib>Park, Hyung Ju</creatorcontrib><creatorcontrib>Young Ho Son</creatorcontrib><creatorcontrib>Dong Hwan Har</creatorcontrib><title>Auto flash performance test using exposure accuracy</title><title>2008 IEEE International Symposium on Consumer Electronics</title><addtitle>ISCE</addtitle><description>General auto flash focuses on representing the actual object luminance depending on the object's luminance condition, that is, whether it is dark or bright. 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Although it is an intelligent development, it is hard to find a standard for measuring auto flash performance. In this study, we present a new auto flash performance measurement. For auto flash performance evaluation, we select the exposure accuracy that affects image quality when exposure failure occurs. For exposure accuracy, these are the methods of measurement. At first, we select the auto flash exposure accuracy that depends on object distance. It evaluates when auto flash measures the equivalent luminance of the same object depending on diverse object distance within the auto flash valid range. The next is auto flash accuracy that depends on object luminance. And lastly, a test of auto flash accuracy that depends on ambient lighting is conducted. Auto flash can recognize ambient lighting and measure the accurate object luminance.</abstract><pub>IEEE</pub><doi>10.1109/ISCE.2008.4559453</doi><tpages>4</tpages></addata></record> |
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| ispartof | 2008 IEEE International Symposium on Consumer Electronics, 2008, p.1-4 |
| issn | 0747-668X |
| language | eng |
| recordid | cdi_ieee_primary_4559453 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Area measurement Auto flash Data analysis Digital camera Digital cameras Exposure accuracy Flash photography ISO standards Lenses Luminance Manufacturing Measurement standards Power supplies Standards development Testing |
| title | Auto flash performance test using exposure accuracy |
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