Download rain world physical copy7/12/2023 We then extend our analysis by studying how various factors such as camera parameters, rain properties and scene brightness affect the appearance of rain. We show that our algorithm can distinguish rain from complex motion of scene objects and other time-varying textures. Using these models, we develop a simple and effective post-processing algorithm for detection and removal of rain from videos. Together, these models describe the complete visual appearance of rain. We first develop a photometric model that describes the intensities produced by individual rain streaks and a dynamic model that captures the spatio-temporal properties of rain. Based on this analysis, we develop efficient algorithms for handling rain in computer vision as well as for photorealistic rendering of rain in computer graphics. In this paper, we provide a comprehensive analysis of the visual effects of rain and the various factors that affect it. Rain produces sharp intensity changes in images and videos that can severely impair the performance of outdoor vision systems.
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