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Long short-term memory (LSTM) is one of the robust recurrent neural network architectures for learning sequential data. However, it requires considerable computational power to learn and implement both software and hardware aspects. This…

Machine Learning · Computer Science 2023-01-13 Nelly Elsayed , Zag ElSayed , Anthony S. Maida

Recent work has demonstrated surprisingly good performance of pre-trained LLMs on regression tasks (for example, time-series prediction), with the ability to incorporate expert prior knowledge and the information contained in textual…

Machine Learning · Computer Science 2026-05-14 Felix Biggs , Samuel Willis

Accurate and stable feature matching is critical for computer vision tasks, particularly in applications such as Simultaneous Localization and Mapping (SLAM). While recent learning-based feature matching methods have demonstrated promising…

Robotics · Computer Science 2025-04-08 Yuqing Wang , Yan Wang , Hailiang Tang , Xiaoji Niu

We present a machine-learning based Volume Of Fluid method to simulate multi-material flows on three-dimensional domains. One of the novelties of the method is that the flux fraction is computed by evaluating a previously trained neural…

Numerical Analysis · Mathematics 2025-07-08 Moreno Pintore , Bruno Després

Using a layered representation for motion estimation has the advantage of being able to cope with discontinuities and occlusions. In this paper, we learn to estimate optical flow by combining a layered motion representation with deep…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Xi Zhang , Di Ma , Xu Ouyang , Shanshan Jiang , Lin Gan , Gady Agam

Flow matching has recently emerged as a powerful alternative to diffusion models, providing a continuous-time formulation for generative modeling and representation learning. Yet, we show that this framework suffers from a fundamental…

Machine Learning · Computer Science 2025-09-26 Weili Zeng , Yichao Yan

The Local Computation Algorithms (LCA) model is a computational model aimed at problem instances with huge inputs and output. For graph problems, the input graph is accessed using probes: strong probes (SP) specify a vertex $v$ and receive…

Data Structures and Algorithms · Computer Science 2017-03-23 Uriel Feige , Boaz Patt-Shamir , Shai Vardi

Efficient long-context LLM deployment is stalled by a dichotomy between amortized compression, which struggles with out-of-distribution generalization, and Test-Time Training, which incurs prohibitive synthetic data costs and requires…

Machine Learning · Computer Science 2026-02-26 Zeju Li , Yizhou Zhou , Qiang Xu

This paper presents efficient implementations of several algorithms for solving the minimum-cost network flow problem. Various practical heuristics and other important implementation aspects are also discussed. A novel result of this work…

Discrete Mathematics · Computer Science 2012-07-27 Z. Király , P. Kovács

To address data locality and privacy restrictions, Federated Learning (FL) has recently been adopted to fine-tune large language models (LLMs), enabling improved performance on various downstream tasks without requiring aggregated data.…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-11 Han Liu , Ruoyao Wen , Srijith Nair , Jia Liu , Wenjing Lou , Chongjie Zhang , William Yeoh , Yevgeniy Vorobeychik , Ning Zhang

Dense optical flow estimation plays a key role in many robotic vision tasks. In the past few years, with the advent of deep learning, we have witnessed great progress in optical flow estimation. However, current networks often consist of a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Lingtong Kong , Chunhua Shen , Jie Yang

Optical flow estimation remains challenging due to untextured areas, motion boundaries, occlusions, and more. Thus, the estimated flow is not equally reliable across the image. To that end, post-hoc confidence measures have been introduced…

Computer Vision and Pattern Recognition · Computer Science 2017-08-23 Anne S. Wannenwetsch , Margret Keuper , Stefan Roth

Optical flow estimation is very challenging in situations with transparent or occluded objects. In this work, we address these challenges at the task level by introducing Amodal Optical Flow, which integrates optical flow with amodal…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Maximilian Luz , Rohit Mohan , Ahmed Rida Sekkat , Oliver Sawade , Elmar Matthes , Thomas Brox , Abhinav Valada

Given a set of hand-crafted local features, acquiring a global representation via aggregation is a promising technique to boost computational efficiency and improve task performance. Existing feature aggregation (FA) approaches, including…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Xingxing Zhang , Zhenfeng Zhu , Yao Zhao

Efficient extraction of useful knowledge from these data is still a challenge, mainly when the data is distributed, heterogeneous and of different quality depending on its corresponding local infrastructure. To reduce the overhead cost,…

Databases · Computer Science 2017-04-17 Nhien-An Le-Khac , M-Tahar Kechadi

Skeleton-based action recognition (SAR) has achieved impressive progress with transformer architectures. However, existing methods often rely on complex module compositions and heavy designs, leading to increased parameter counts, high…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Wenhan Wu , Zhishuai Guo , Chen Chen , Aidong Lu

As new technologies are invented, their commercial viability needs to be carefully examined along with their technical merits and demerits. The posit data format, proposed as a drop-in replacement for IEEE 754 float format, is one such…

Hardware Architecture · Computer Science 2021-01-19 Vinay Saxena , Ankitha Reddy , Jonathan Neudorfer , John Gustafson , Sangeeth Nambiar , Rainer Leupers , Farhad Merchant

Entropy-based inference methods have gained traction for improving the reliability of Large Language Models (LLMs). However, many existing approaches, such as entropy minimization techniques, suffer from high computational overhead and fail…

Machine Learning · Computer Science 2026-01-27 Jin Li , Zhebo Wang , Tianliang Lu , Mohan Li , Wenpeng Xing , Meng Han

Robust robotic manipulation requires not only predicting how the scene evolves over time, but also recognizing task-relevant objects in complex scenes. However, existing VLA models face two limitations. They typically act only on the…

Robotics · Computer Science 2026-04-21 Kuanning Wang , Ke Fan , Chenhao Qiu , Zeyu Shangguan , Yuqian Fu , Yanwei Fu , Daniel Seita , Xiangyang Xue

A major challenge for building statistical models in the big data era is that the available data volume far exceeds the computational capability. A common approach for solving this problem is to employ a subsampled dataset that can be…

Computation · Statistics 2018-09-14 Lei Han , Kean Ming Tan , Ting Yang , Tong Zhang