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We present a method for learning neural representations of flow maps from time-varying vector field data. The flow map is pervasive within the area of flow visualization, as it is foundational to numerous visualization techniques, e.g.…

Graphics · Computer Science 2023-03-28 Saroj Sahoo , Matthew Berger

Custom dataflow Convolutional Neural Network (CNN) inference accelerators on FPGA are tailored to a specific CNN topology and store parameters in On-Chip Memory (OCM), resulting in high energy efficiency and low inference latency. However,…

Hardware Architecture · Computer Science 2020-11-17 Lucian Petrica , Tobias Alonso , Mairin Kroes , Nicholas Fraser , Sorin Cotofana , Michaela Blott

Optimal power flow (OPF) over power transmission networks poses challenging large-scale nonlinear optimization problems, which involve a large number of quadratic equality and indefinite quadratic inequality constraints. These…

Systems and Control · Computer Science 2018-02-14 Y. Shi , H. D. Tuan , P. Apkarian , A. V. Savkin

3D semantic occupancy and flow prediction are fundamental to spatiotemporal scene understanding. This paper proposes a vision-based framework with three targeted improvements. First, we introduce an occlusion-aware adaptive lifting…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Dubing Chen , Jin Fang , Wencheng Han , Xinjing Cheng , Junbo Yin , Chenzhong Xu , Fahad Shahbaz Khan , Jianbing Shen

Deployment of deep learning models in robotics as sensory information extractors can be a daunting task to handle, even using generic GPU cards. Here, we address three of its most prominent hurdles, namely, i) the adaptation of a single…

Computer Vision and Pattern Recognition · Computer Science 2019-02-28 Vladimir Nekrasov , Thanuja Dharmasiri , Andrew Spek , Tom Drummond , Chunhua Shen , Ian Reid

For nonparametric regression in the streaming setting, where data constantly flow in and require real-time analysis, a main challenge is that data are cleared from the computer system once processed due to limited computer memory and…

Statistics Theory · Mathematics 2022-08-19 Mingxue Quan , Zhenhua Lin

Batch data analytics is a growing application for Large Language Models (LLMs). LLMs enable users to perform a wide range of natural language tasks, such as classification, entity extraction, and translation, over large datasets. However,…

Obtaining the ground truth labels from a video is challenging since the manual annotation of pixel-wise flow labels is prohibitively expensive and laborious. Besides, existing approaches try to adapt the trained model on synthetic datasets…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Yunhui Han , Kunming Luo , Ao Luo , Jiangyu Liu , Haoqiang Fan , Guiming Luo , Shuaicheng Liu

One issue limiting the adaption of large-scale multi-region segmentation is the sometimes prohibitive memory requirements. This is especially troubling considering advances in massively parallel computing and commercial graphics processing…

Computer Vision and Pattern Recognition · Computer Science 2015-02-02 John S. H. Baxter , Martin Rajchl , Jing Yuan , Terry M. Peters

This paper presents a comprehensive analysis of motion vectors extracted from AV1-encoded video streams and their application in accelerating optical flow estimation. We demonstrate that motion vectors from AV1 video codec can serve as a…

Image and Video Processing · Electrical Eng. & Systems 2026-05-15 Julien Zouein , Vibhoothi Vibhoothi , Anil Kokaram

Similar to algorithms, which consume time and memory to run, hardware requires resources to function. For devices processing physical waves, implementing operations needs sufficient "space," as dictated by wave physics. How much space is…

Optics · Physics 2025-01-20 Yandong Li , Francesco Monticone

As the capabilities of Vision-Language Models (VLMs) advance, they can process increasingly large inputs, which, unlike in LLMs, generates significant visual token redundancy and leads to prohibitive inference costs. While many methods aim…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Pu Zhang , Yuwei Li , Xingyuan Xian , Guoming Tang

The presence of missing values within high-dimensional data is an ubiquitous problem for many applied sciences. A serious limitation of many available data mining and machine learning methods is their inability to handle partially missing…

Machine Learning · Computer Science 2022-08-02 Qi Ma , Sujit K. Ghosh

Optical flow estimation is extensively used in autonomous driving and video editing. While existing models demonstrate state-of-the-art performance across various benchmarks, the robustness of these methods has been infrequently…

Image and Video Processing · Electrical Eng. & Systems 2024-11-25 Zhonghua Yi , Hao Shi , Qi Jiang , Yao Gao , Ze Wang , Yufan Zhang , Kailun Yang , Kaiwei Wang

The remarkable success of diffusion and flow-matching models has ignited a surge of works on adapting them at test time for controlled generation tasks. Examples range from image editing to restoration, compression and personalization.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Or Ronai , Vladimir Kulikov , Tomer Michaeli

We give an algorithm that computes exact maximum flows and minimum-cost flows on directed graphs with $m$ edges and polynomially bounded integral demands, costs, and capacities in $m^{1+o(1)}$ time. Our algorithm builds the flow through a…

Data Structures and Algorithms · Computer Science 2022-04-26 Li Chen , Rasmus Kyng , Yang P. Liu , Richard Peng , Maximilian Probst Gutenberg , Sushant Sachdeva

We introduce VideoFlow, a novel optical flow estimation framework for videos. In contrast to previous methods that learn to estimate optical flow from two frames, VideoFlow concurrently estimates bi-directional optical flows for multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Xiaoyu Shi , Zhaoyang Huang , Weikang Bian , Dasong Li , Manyuan Zhang , Ka Chun Cheung , Simon See , Hongwei Qin , Jifeng Dai , Hongsheng Li

Mean flow (MeanFlow) enables efficient, high-fidelity image generation, yet its single-function evaluation (1-NFE) generation often cannot yield compelling results. We address this issue by introducing RMFlow, an efficient multimodal…

Machine Learning · Computer Science 2026-02-03 Yuhao Huang , Shih-Hsin Wang , Andrea L. Bertozzi , Bao Wang

Resistive random access memory (ReRAM) is a promising technology that can perform low-cost and in-situ matrix-vector multiplication (MVM) in analog domain. Scientific computing requires high-precision floating-point (FP) processing.…

Hardware Architecture · Computer Science 2023-10-18 Linghao Song , Fan Chen , Xuehai Qian , Hai Li , Yiran Chen

Optical flow estimation is a challenging problem remaining unsolved. Recent deep learning based optical flow models have achieved considerable success. However, these models often train networks from the scratch on standard optical flow…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Qiaole Dong , Chenjie Cao , Yanwei Fu
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