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NeRVI: Compressive neural representation of visualization images for communicating volume visualization results

Journal Article · · Computers and Graphics
We present NeRVI, a new deep-learning approach that compresses a large collection of visualization images generated from time-varying data for communicating volume visualization results. Based on an image-based implicit neural representation, our approach represents tens of thousands of high-resolution rendering images parametrized by different parameters via a hybrid model of multilayer perceptrons and convolutional neural networks. Here, our model predicts images and corresponding masks, and the masks are utilized for loss computation and network training to capture fine structural details and small components. In conjunction with model quantization and weight encoding, NeRVI yields highly compact compressive neural representations while preserving the image fidelity well. We demonstrate the effectiveness of NeRVI with isosurface rendering and direct volume rendering images generated from multiple data sets and compare NeRVI with other state-of-the-art deep learning-based (InSituNet, SIREN, NeRF, and NeRV) methods. Quantitative and qualitative results show that NeRVI provides an alternative solution that augments domain scientists' ability to manage, represent, and communicate scientific visualization output.
Research Organization:
University of Notre Dame, IN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); U.S. National Science Foundation
Grant/Contract Number:
SC0023145
OSTI ID:
1995970
Alternate ID(s):
OSTI ID: 1997575
Journal Information:
Computers and Graphics, Journal Name: Computers and Graphics Vol. 116; ISSN 0097-8493
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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