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- W2430079465 abstract "One of the classic goals in computer graphics is to achieve real-time, photorealistic rendering. In this dissertation, we argue that photon mapping is a good candidate for acceleration, to eventually achieve the long-term goal of real-time photorealism. Our approach is to consider all aspects of the system, including the mathematical formulation, software implementation, and hardware execution, to develop a complete solution that can be achieved for a practical cost. First, we develop a revised photon mapping algorithm which exposes fine-grain operations that can be processed independently. We analyze the impact of this reformulation, discussing image quality, asymptotic analysis, a software SIMD implementation, partial reordering, and other techniques that make it amenable to hardware acceleration. Then we propose a general architecture that integrates two custom co-processors for accelerating photon mapping, one to compute search operations, and another to compute shader operations that contribute color information to the final image. We describe the low-level circuit implementation of the two operations to be accelerated, acquiring area and power consumption estimates. Measurements for throughput, area, power consumption, memory traffic, and instruction counts provide us the information we need to make a solid estimate of the cost-effectiveness of our solution. Our results indicate that our approach will be able to achieve approximately 100× higher throughput compared to a single threaded implementation, for a very affordable area and power cost." @default.
- W2430079465 created "2016-06-24" @default.
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- W2430079465 date "2011-01-01" @default.
- W2430079465 modified "2023-09-23" @default.
- W2430079465 title "Accelerating photon mapping" @default.
- W2430079465 hasPublicationYear "2011" @default.
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