CS 5620/6620 - Fall 2025 - Rendering with Ray Tracing

Project 11 - Monte Carlo Global Illumination

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Kaivalya Deshpande

Fri, Nov 14, 2025 @ 10:35 pm

Final submission. Cosine-Weighted Importance Sampled Monte-Carlo GI. 8-128 Adaptive Primary SPP at 95% Confidence and 12.5% Error Threshold, 16 Primary Bounces, 8/16 Adaptive Shadow Samples, 1 Glossy Sample, 16 GI Samples, 1 GI Bounce. Time - 11 minutes on 1 Thread.

Thu, Nov 13, 2025 @ 4:30 am

Best result Ive got so far. 8-128 Adaptive Primary SPP at 95% Confidence and 1% Error Threshold, 16 Primary Bounces, 8/32 Adaptive Shadow Samples, 1 Glossy Sample, 2 GI Samples, 2 GI Bounces, Uniform Hemisphere Sampling for GI.

Mon, Nov 10, 2025 @ 7:23 am

Correct factor applied for indirect illumination. 4-8 SPP at 95% confidence, 3 Secondary Bounces, 5 Indirect Samples [Pure Monte Carlo], 1 Indirect Sample Bounce. Took 2 mins on 1 thread.

Mon, Nov 10, 2025 @ 7:03 am

Samples Per Pixel.

Mon, Nov 10, 2025 @ 6:54 am

Global Illumination is working, but too slow and dark since I was missing a factor. 8-64 SPP at 95% confidence, 16 Secondary Bounces, 2 Indirect Samples [Pure Monte Carlo], 1 Indirect Sample Bounce. Took 54 mins on 1 thread.

Mon, Nov 10, 2025 @ 5:15 am

Done Gamma Correction and Inverse Square Falloff. No GI yet.