The accumulation buffer: hardware support for high-quality rendering
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
Real-time lens blur effects and focus control
ACM SIGGRAPH 2010 papers
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Depth of field (DOF) refers to a distance range in which photographic capture yields acceptable sharp imagery. The DOF effect is crucial in improving the perceptual realism of synthetic images and drawing user's attention. In graphics, object-based approaches served as reference [Cook et al. 1984; Haeberli and Akeley 1990]. However, their low performance, resulting from the repeated rendering for different lens samples, has impeded their real-time use.