The edge maps are extracted first then it is thresholded and the authors take the area of the background as the illumination invariant measure to perform the detection of shots.
它先提取了图像中的边缘，然后二值化，最后把背景的面积作为光照不变测度。
The photosynthesis of the tropical rainforest plant in the exhibition area with weak artificial illumination in Shanghai Science & Technology Museum was studied.
与上海科技馆生物万象展区内人工光照下热带雨林植物的养护相结合，本文探讨了大型室内热带雨林地区植物的光合作用特性。
Regular illumination: in the southern green area are integrated spotlights with white light to illuminate the volume of the building and especially the corners of the three towers.
标准照明：在南部的绿化区域安装射灯，采用白光照明建筑体，特别是三个塔楼的角落。
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