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We developed a machine vision system to automatically capture the dynamics of pedestrians under four different traffic scenarios. By considering the overhead view of each pedestrian as a digital object, the system processes the image…

Computer Vision and Pattern Recognition · Computer Science 2015-07-28 Louie Vincent A. Ngoho , Jaderick P. Pabico

Real-time motion detection in non-stationary scenes is a difficult task due to dynamic background, changing foreground appearance and limited computational resource. These challenges degrade the performance of the existing methods in…

Computer Vision and Pattern Recognition · Computer Science 2018-11-22 Junjie Huang , Wei Zou , Zheng Zhu , Jiagang Zhu

Understanding the behaviors and intentions of humans are one of the main challenges autonomous ground vehicles still faced with. More specifically, when it comes to complex environments such as urban traffic scenes, inferring the intentions…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Khaled Saleh , Mohammed Hossny , Saeid Nahavandi

Weakly supervised instance segmentation has gained popularity because it reduces high annotation cost of pixel-level masks required for model training. Recent approaches for weakly supervised instance segmentation detect and segment objects…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Jun Ikeda , Junichiro Mori

Accurate perception of dynamic traffic scenes is crucial for high-level autonomous driving systems, requiring robust object motion estimation and instance segmentation. However, traditional methods often treat them as separate tasks,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Yinqi Chen , Meiying Zhang , Qi Hao , Guang Zhou

We propose a robotic learning system for autonomous exploration and navigation in unexplored environments. We are motivated by the idea that even an unseen environment may be familiar from previous experiences in similar environments. The…

Robotics · Computer Science 2022-11-24 Huangying Zhan , Hamid Rezatofighi , Ian Reid

Human navigation is facilitated through the association of actions with landmarks, tapping into our ability to recognize salient features in our environment. Consequently, navigational instructions for humans can be extremely concise, such…

The interception of moving targets is a widely studied issue. In this paper, we propose an algorithm of intercepting the moving target with a wheeled mobile robot in a dynamic environment. We first predict the future position of the target…

Robotics · Computer Science 2022-05-17 Chendi Qu , Jianping He , Jialun Li , Chongrong Fang , Yilin Mo

For reliable autonomous robot navigation in urban settings, the robot must have the ability to identify semantically traversable terrains in the image based on the semantic understanding of the scene. This reasoning ability is based on…

Robotics · Computer Science 2024-12-30 Yunho Kim , Jeong Hyun Lee , Choongin Lee , Juhyeok Mun , Donghoon Youm , Jeongsoo Park , Jemin Hwangbo

For an autonomous vehicle it is essential to observe the ongoing dynamics of a scene and consequently predict imminent future scenarios to ensure safety to itself and others. This can be done using different sensors and modalities. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Andrea Ciamarra , Federico Becattini , Lorenzo Seidenari , Alberto Del Bimbo

Planning a safe and feasible trajectory for autonomous vehicles in real-time by fully utilizing perceptual information in complex urban environments is challenging. In this paper, we propose a spatio-temporal trajectory planning method…

Robotics · Computer Science 2025-02-26 Shan He , Yalong Ma , Tao Song , Yongzhi Jiang , Xinkai Wu

This work studies the problem of object goal navigation which involves navigating to an instance of the given object category in unseen environments. End-to-end learning-based navigation methods struggle at this task as they are ineffective…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Devendra Singh Chaplot , Dhiraj Gandhi , Abhinav Gupta , Ruslan Salakhutdinov

For safe navigation in dynamic uncertain environments, robotic systems rely on the perception and prediction of other agents. Particularly, in occluded areas where cameras and LiDAR give no data, the robot must be able to reason about…

Robotics · Computer Science 2024-10-24 Roya Firoozi , Alexandre Mir , Gadi Sznaier Camps , Mac Schwager

This paper describes a fast and accurate semantic image segmentation approach that encodes not only the discriminative features from deep neural networks, but also the high-order context compatibility among adjacent objects as well as low…

Computer Vision and Pattern Recognition · Computer Science 2016-05-16 Falong Shen , Gang Zeng

Motion segmentation in dynamic scenes is highly challenging, as conventional methods heavily rely on estimating camera poses and point correspondences from inherently noisy motion cues. Existing statistical inference or iterative…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Xiankang He , Peile Lin , Ying Cui , Dongyan Guo , Chunhua Shen , Xiaoqin Zhang

This paper addresses the problem of robot navigation in mixed geometric/semantic 3D environments. Given a hierarchical representation of the environment, the objective is to navigate from a start position to a goal, while satisfying…

Robotics · Computer Science 2025-08-19 Evangelos Psomiadis , Panagiotis Tsiotras

Large amounts of mobility data are being generated from many different sources, and several data mining methods have been proposed for this data. One of the most critical steps for trajectory data mining is segmentation. This task can be…

Machine Learning · Computer Science 2020-03-24 Mohammad Etemad , Zahra Etemad , Amilcar Soares , Vania Bogorny , Stan Matwin , Luis Torgo

We present a semantically rich graph representation for indoor robotic navigation. Our graph representation encodes: semantic locations such as offices or corridors as nodes, and navigational behaviors such as enter office or cross a…

Artificial Intelligence · Computer Science 2018-03-13 Gabriel Sepulveda , Juan Carlos Niebles , Alvaro Soto

Classic computer vision algorithms, instance segmentation, and semantic segmentation can not provide a holistic understanding of the surroundings for the visually impaired. In this paper, we utilize panoptic segmentation to assist the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Wei Mao , Jiaming Zhang , Kailun Yang , Rainer Stiefelhagen

In autonomous Vehicles technology Image segmentation was a major problem in visual perception. This image segmentation process is mainly used in medical applications. Here we adopted an image segmentation process to visual perception tasks…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Tirumalapudi Raviteja , Rajay Vedaraj . I. S