Browsing by Author "Meng, Xiaoxu"

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    Accelerated Volume Rendering with Volume Guided Neural Denoising
    (The Eurographics Association, 2023) Jabbireddy, Susmija; Li, Shuo; Meng, Xiaoxu; Terrill, Judith E.; Varshney, Amitabh; Hoellt, Thomas; Aigner, Wolfgang; Wang, Bei
    Monte Carlo path tracing techniques create stunning visualizations of volumetric data. However, a large number of computationally expensive light paths are required for each sample to produce a smooth and noise-free image, trading performance for quality. High-quality interactive volume rendering is valuable in various fields, especially education, communication, and clinical diagnosis. To accelerate the rendering process, we combine learning-based denoising techniques with direct volumetric rendering. Our approach uses additional volumetric features that improve the performance of the denoiser in the post-processing stage. We show that our method significantly improves the quality of Monte Carlo volume-rendered images for various datasets through qualitative and quantitative evaluation. Our results show that we can achieve volume rendering quality comparable to the state-of-the-art at a significantly faster rate using only one sample path per pixel.