在一张室内照片上模拟太阳不同照射效果的方法

Simulating Novel Sunlight Effects from an Indoor Photograph

提出一种在一张室内场景照片基础上 ,绘制新的光照效果的方法 .主要内容包括 :给出模拟不同时间太阳光照效果的基本方法 ;为简化阴影的计算 ,推导出一种在新的光照条件下计算阴影的简单算法 ;给出一种模糊阴影边界的生成方法 .文中方法适合于动画制作、虚拟房产观察 ,室内灯光设计等 .

Based on an existing indoor photograph, a method for rendering indoor scenes for new lighting conditions is presented. A basic method for modeling sunlight effects at various time is proposed. To simplify shadow generation, a simple calculation method under novel lighting conditions is deduced. A method for creating blurred shadow borders is given. This research result can be applied to animation, virtual realty, and indoor light design, etc.