發明
中華民國
102125130
I 513310
攝影機動態範圍擴展裝置及方法
國立雲林科技大學
2015/12/11
一種攝影機動態範圍擴展裝置及方法,係主要由一色彩空間轉換模組將三原色之圖像轉換成亮度、色差之圖像,再將該原圖像之亮度值資料輸入參數統計電路進行直方圖統計分析,以將該原圖像分類出其圖像類型,繼將過暗型及該極端型之圖像輸入暗部補強電路,進行暗部補強作業,另該原圖像資料亦同時輸送往反相處理模組,以進行反相處理,於經暗部補強及反相處理之圖像,係輸入混合電路中做混合,之後經由亮部提升電路將混合圖像進行亮部提升作業,即獲得暗處增亮、亮處減暗效果之高動態範圍圖像者。 One kind of camera dynamic range expansion apparatus and method, based primarily by an RGB color space conversion module to convert the image brightness and color of the image, and then the brightness values of the original image data input parameter histogram statistical circuit analysis to classify the original image out of its image type, following the dark type and the extreme type of image input circuitry dark reinforcement for reinforcement operations dark, and the other that of the original image data is also transported to the inverse processing modules for inversion processing reinforced in after dark and reverse processing of images, the Department of the input hybrid circuits do mix, after boosting circuit via the bright part highlights the mixed image upgrade jobs that get dark growth bright, bright place less dark effect by the high dynamic range images.
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