IBRAC (Image-Based Rendering Acceleration and Compression)
Ilmi Yoon, Ulrich Neumann · 2000
This paper presents an image-based rendering technique that has several benefits to remote or web-based rendering systems. It adapts an image-based rendering acceleration method to the direct rendering of compressed images. The approach is attractive for remote rendering applications where a client system may be a relatively low-performance machine and limited network bandwidth makes transmission of large 3D data impractical. The efficiency of the server and client generally increases with scene complexity or data size since the rendering time is predominantly a function of image size. This technique uses stored images to accelerate the rendering and compression of new synthetic scene images. The algorithm employs ray tracing and epipolar constraints to exploit spatiotemporal coherence between the current and previously rendered images. The reprojection of color and visibility data accelerates the computation of new images. The rendering method intrinsically computes a residual image,...