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dc.contributor.author王俊昌en_US
dc.contributor.authorChun-Chang Wangen_US
dc.contributor.author莊仁輝en_US
dc.contributor.authorJen-Hui Chuangen_US
dc.date.accessioned2014-12-12T02:20:09Z-
dc.date.available2014-12-12T02:20:09Z-
dc.date.issued2003en_US
dc.identifier.urihttp://140.113.39.130/cdrfb3/record/nctu/#GT009167581en_US
dc.identifier.urihttp://hdl.handle.net/11536/63935-
dc.description.abstract由於紅外線的影像格式通常為12位元或14位元，而在視覺的觀測上都是使用8位元的格式，因此需要作位元壓縮 (對比強化) 來將12或14位元轉成8位元。本論文係針對紅外線影像的特性，提出一個避免因紅外線強度分佈多的物體擠壓強度分佈少的物體時，所發生的影像擠壓現象，以及避免溫度擴散模糊的現象，同時亦能降低雜訊的方法。此方法乃為針對BOHP與HE位元壓縮方法的缺點所做的改良，除改善影像處理效果外，亦考慮可縮短計算時間的硬體設計，以確保能應用在即時系統上。zh_TW
dc.description.abstractIn general, infrared image formats are 12-bit or 14-bit. For visual inspection purposes, they are always converted to 8-bit video format. In this paper, characteristics of infrared image are investigated, and a method for format conversion that can avoid (1) destruction of image content due to intensity compression, (2) temperature diffusion effect, and (3) noise enhancement is proposed. This method can be regarded as an improvement over widely adopted BOHP and HE schemes. In addition to better image quality, real-time implementation issues are also considered.en_US
dc.language.isozh_TWen_US
dc.subject紅外線zh_TW
dc.subject對比強化zh_TW
dc.subject雜訊zh_TW
dc.subject長條圖等化zh_TW
dc.subject二元長條圖映射zh_TW
dc.subject標準差zh_TW
dc.subjectInfrareden_US
dc.subjectContrast Enhancementen_US
dc.subjectNoiseen_US
dc.subjectHistogram Equalizationen_US
dc.subjectBinary Occupied Histogram Projectionen_US
dc.subjectStandard Deviationen_US
dc.title一個實用的紅外線影像對比強化方法zh_TW
dc.titleA Practical Infrared Image Contrast Enhancement Methoden_US
dc.typeThesisen_US
dc.contributor.department資訊學院資訊學程zh_TW
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