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In this paper, we present a CNN-based fully unsupervised method for motion segmentation from optical flow. We assume that the input optical flow can be represented as a piecewise set of parametric motion models, typically, affine or…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Etienne Meunier , Anaïs Badoual , Patrick Bouthemy

Motion boundary detection is a crucial yet challenging problem. Prior methods focus on analyzing the gradients and distributions of optical flow fields, or use hand-crafted features for motion boundary learning. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Xiaoqing Yin , Xiyang Dai , Xinchao Wang , Maojun Zhang , Dacheng Tao , Larry Davis

We propose a new multiclass weighted loss function for instance segmentation of cluttered cells. We are primarily motivated by the need of developmental biologists to quantify and model the behavior of blood T-cells which might help us in…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Fidel A. Guerrero-Pena , Pedro D. Marrero Fernandez , Tsang Ing Ren , Mary Yui , Ellen Rothenberg , Alexandre Cunha

Tactile recognition of 3D objects remains a challenging task. Compared to 2D shapes, the complex geometry of 3D surfaces requires richer tactile signals, more dexterous actions, and more advanced encoding techniques. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Jingxi Xu , Han Lin , Shuran Song , Matei Ciocarlie

Growing demands in the semiconductor industry result in the need for enhanced performance of lithographic equipment. However, position tracking accuracy of high precision mechatronics is often limited by the presence of disturbance sources,…

Systems and Control · Electrical Eng. & Systems 2021-05-05 Ioannis Proimadis , Yorick Broens , Roland Tóth , Hans Butler

Driving behaviour has a great impact on road safety. A popular way of analysing driving behaviour is to move the focus to the manoeuvres as they give useful information about the driver who is performing them. In this paper, we investigate…

Machine Learning · Statistics 2020-02-18 Maria Inês Silva , Roberto Henriques

Deep learning methods have achieved impressive performance for multi-class medical image segmentation. However, they are limited in their ability to encode topological interactions among different classes (e.g., containment and exclusion).…

Conventional cell tracking methods detect multiple cells in each frame (detection) and then associate the detection results in successive time-frames (association). Most cell tracking methods perform the association task independently from…

Computer Vision and Pattern Recognition · Computer Science 2020-02-27 Junya Hayashida , Kazuya Nishimura , Ryoma Bise

Multi-view action recognition aims to identify actions in a given multi-view scene. Traditional studies initially extracted refined features from each view, followed by implemented paired interaction and integration, but they potentially…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Yingyuan Yang , Guoyuan Liang , Can Wang , Xiaojun Wu

Visual data such as videos are often sampled from complex manifold. We propose leveraging the manifold structure to constrain the deep action feature learning, thereby minimizing the intra-class variations in the feature space and…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Ce Li , Chen Chen , Baochang Zhang , Qixiang Ye , Jungong Han , Rongrong Ji

Autonomous driving systems rely on panoptic driving perception that requires both precision and real-time performance. In this work, we propose RMT-PPAD, a real-time, transformer-based multi-task model that jointly performs object…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Jiayuan Wang , Q. M. Jonathan Wu , Katsuya Suto , Ning Zhang

We focus on the utilisation of reactive trajectory imitation controllers for goal-directed mobile robot navigation. We propose a topological navigation graph (TNG) - an imitation-learning-based framework for navigating through environments…

Robotics · Computer Science 2021-05-17 Povilas Daniusis , Shubham Juneja , Lukas Valatka , Linas Petkevicius

This paper introduces a comprehensive strategy that integrates traffic perimeter control with traffic signal control to alleviate congestion in an urban traffic network (UTN). The strategy is formulated as a lexicographic multi-objective…

Systems and Control · Electrical Eng. & Systems 2025-10-07 Viet Hoang Pham , Hyo-Sung Ahn

This paper aims to develop a hierarchical nonlinear control algorithm, based on model predictive control (MPC), quadratic programming (QP), and virtual constraints, to generate and stabilize locomotion patterns in a real-time manner for…

Robotics · Computer Science 2020-04-16 Kaveh Akbari Hamed , Jeeseop Kim , Abhishek Pandala

Transportation mode classification, the process of predicting the class labels of moving objects transportation modes, has been widely applied to a variety of real world applications, such as traffic management, urban computing, and…

Machine Learning · Computer Science 2022-12-13 Danlei Hu , Ziquan Fang , Hanxi Fang , Tianyi Li , Chunhui Shen , Lu Chen , Yunjun Gao

We propose a learning method well-suited to infer the presence of Tuberculosis (TB) manifestations on Computer Tomography (CT) scans mimicking the radiologist reports. Latent features are extracted from the CT volumes employing the V-Net…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Pedro M. Gordaliza , Juan José Vaquero , Sally Sharpe , Fergus Gleeson , Arrate Muñoz-Barrutia

Despite recent progress in Multi-Modal Large Language Models (MLLMs), it remains challenging to integrate diverse tasks ranging from pixel-level perception to high-fidelity generation. Existing approaches often suffer from either restricted…

Computation and Language · Computer Science 2026-01-29 Bin Zhu , Munan Ning , Peng Jin , Bin Lin , Jinfa Huang , Qi Song , Junwu Zhang , Zhenyu Tang , Mingjun Pan , Li Yuan

We consider the problem of intelligent and efficient task allocation mechanism in large-scale mobile edge computing (MEC), which can reduce delay and energy consumption in a parallel and distributed optimization. In this paper, we study the…

Networking and Internet Architecture · Computer Science 2020-05-22 Xiaoxiong Zhong , Xinghan Wang , Yuanyuan Yang , Yang Qin , Xiaoke Ma , Tingting Yang

We propose a novel neural network architecture for visual saliency detections, which utilizes neurophysiologically plausible mechanisms for extraction of salient regions. The model has been significantly inspired by recent findings from…

Computer Vision and Pattern Recognition · Computer Science 2015-04-13 Natalia Efremova , Sergey Tarasenko

We propose a novel deep supervised neural network for the task of action recognition in videos, which implicitly takes advantage of visual tracking and shares the robustness of both deep Convolutional Neural Network (CNN) and Recurrent…

Computer Vision and Pattern Recognition · Computer Science 2016-07-12 Jialin Wu , Gu Wang , Wukui Yang , Xiangyang Ji