Name
Abstract | ||
|---|---|---|
We present a novel technique for capturing spatially or temporally resolved light probe sequences, and using them for image based lighting. For this pur- pose we have designed and built a Real Time Light Probe, a catadioptric imaging system that can capture the full dynamic range of the lighting incident at each point in space at video frame rates, while being moved through a scene. The Real Time Light Probe uses a digital imaging system which we have programmed to capture high qual- ity, photometrically accurate color images of 512x512 pixels with a dynamic range of 10,000,000:1 at 25 frames per second. By tracking the position and orientation of the light probe, it is possible to transform each light probe into a common frame of reference in world coordinates, and map each point and direction in space along the path of motion to a particular frame and pixel in the light probe sequence. We demonstrate our technique by rendering synthetic objects illuminated by complex real world light- ing, first by using traditional image based lighting meth- ods and temporally varying light probe illumination, and second an extension to handle spatially varying lighting conditions across large objects and object motion along an extended path. |
Year | DOI | Venue |
|---|---|---|
2007 | 10.1007/s00371-007-0127-6 | The Visual Computer |
Keywords | DocType | Volume |
high dynamic range imaging,image based lighting,real time,frame of reference,dynamic range,color image,digital image,frames per second | Journal | 23 |
Issue | ISSN | Citations |
7 | 1432-2315 | 2 |
PageRank | References | Authors |
0.39 | 16 | 3 |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Jonas Unger | 1 | 289 | 28.63 |
| Stefan Gustavson | 2 | 71 | 6.40 |
| Anders Ynnerman | 3 | 707 | 61.82 |