DenseDisp: Resource-Aware Disparity Map Estimation by Compressing Siamese Neural ArchitectureShow others and affiliations
2020 (English)In: IEEE WORLD CONGRESS ON COMPUTATIONAL INTELLIGENCE (WCCI) 2020 IEEE WCCI, Glasgow, United Kingdom, 2020Conference paper, Published paper (Refereed)
Abstract [en]
Stereo vision cameras are flexible sensors due to providing heterogeneous information such as color, luminance, disparity map (depth), and shape of the objects. Today, Convolutional Neural Networks (CNNs) present the highest accuracy for the disparity map estimation [1]. However, CNNs require considerable computing capacity to process billions of floating-point operations in a real-time fashion. Besides, commercial stereo cameras produce huge size images (e.g., 10 Megapixels [2]), which impose a new computational cost to the system. The problem will be pronounced if we target resource-limited hardware for the implementation. In this paper, we propose DenseDisp, an automatic framework that designs a Siamese neural architecture for disparity map estimation in a reasonable time. DenseDisp leverages a meta-heuristic multi-objective exploration to discover hardware-friendly architectures by considering accuracy and network FLOPS as the optimization objectives. We explore the design space with four different fitness functions to improve the accuracy-FLOPS trade-off and convergency time of the DenseDisp. According to the experimental results, DenseDisp provides up to 39.1x compression rate while losing around 5% accuracy compared to the state-of-the-art results.
Place, publisher, year, edition, pages
Glasgow, United Kingdom, 2020.
Keywords [en]
Stereo Vision, Deep Learning, Multi-Objective, Optimization, Neural Architecture Search
National Category
Engineering and Technology Computer Systems
Identifiers
URN: urn:nbn:se:mdh:diva-49331ISI: 000703998201002Scopus ID: 2-s2.0-85055448153OAI: oai:DiVA.org:mdh-49331DiVA, id: diva2:1453356
Conference
IEEE WORLD CONGRESS ON COMPUTATIONAL INTELLIGENCE (WCCI) 2020 IEEE WCCI, 19 Jul 2020, Glasgow, United Kingdom
Projects
DeepMaker: Deep Learning Accelerator on Commercial Programmable Devices2020-07-092020-07-092023-05-10Bibliographically approved
In thesis