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doi:10.22028/D291-41778
Titel: | Modeling of LCD Reflection Characteristics and Simulation Method of LC-displayed Images Under Daylight Conditions |
VerfasserIn: | Ayasli, Ramazan Xu, Chihao Schmidt, Maxim Cirillo, Maria Rosa |
Sprache: | Englisch |
Titel: | ITE Transactions on Media Technology and Applications |
Bandnummer: | 11 |
Heft: | 4 |
Seiten: | 146-151 |
Verlag/Plattform: | The Institute of Image Information and Television Engineers |
Erscheinungsjahr: | 2023 |
Freie Schlagwörter: | LC Reflection Readability Legibility Sunlight Compensation Daylight Compensation |
DDC-Sachgruppe: | 500 Naturwissenschaften |
Dokumenttyp: | Journalartikel / Zeitschriftenartikel |
Abstract: | It is known, that daylight reflection on an LCD significantly degrades the visual quality and readability of a display. Methods to mitigate this problem like daylight image enhancement are mainly based on the assumption that the reflection is linearly dependent of the daylight intensity. It was found out by extensive measurements that the reflection also depends on the gray-value of a pixel and thus image contents [1]. The reflection at a white image may exceed two-times of that at a dark image. In this paper, the reflection is modelled as a function of the transmission value of a (sub)pixel and is decomposed into three parts, namely a constant part for the surface reflection, a linear term for the LC-cell and a square term for the reflection of the BLU. This refined and, regarding the daylight direction, generalized model leads to an excellent agreement with measurements. |
DOI der Erstveröffentlichung: | 10.3169/mta.11.146 |
Link zu diesem Datensatz: | urn:nbn:de:bsz:291--ds-417787 hdl:20.500.11880/37384 http://dx.doi.org/10.22028/D291-41778 |
ISSN: | 2186-7364 |
Datum des Eintrags: | 19-Mär-2024 |
Fakultät: | NT - Naturwissenschaftlich- Technische Fakultät |
Fachrichtung: | NT - Systems Engineering |
Professur: | NT - Prof. Dr. Chihao Xu |
Sammlung: | SciDok - Der Wissenschaftsserver der Universität des Saarlandes |
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