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When an object detector is deployed in a novel setting it often experiences a drop in performance. This paper studies how an embodied agent can automatically fine-tune a pre-existing object detector while exploring and acquiring images in a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Gianluca Scarpellini , Stefano Rosa , Pietro Morerio , Lorenzo Natale , Alessio Del Bue

Vision-and-Language Navigation (VLN) requires an agent to find a path to a remote location on the basis of natural-language instructions and a set of photo-realistic panoramas. Most existing methods take the words in the instructions and…

Computation and Language · Computer Science 2021-08-26 Yuankai Qi , Zizheng Pan , Yicong Hong , Ming-Hsuan Yang , Anton van den Hengel , Qi Wu

This article describes a multi-modal method using simulated Lidar data via ray tracing and image pixel loss with differentiable rendering to optimize an object's position with respect to an observer or some referential objects in a computer…

Systems and Control · Electrical Eng. & Systems 2023-09-07 Sean Zanyk-McLean , Krishna Kumar , Paul Navratil

Finding a particular object in a display is important for viewers in many visualizations, for example, when reacting to brushing or to a highlighted object. This can be enabled by making the target object different in one of the visual…

Human-Computer Interaction · Computer Science 2026-01-29 Wei Wei , Miguel A. Nacenta , Michelle F. Miranda , Charles Perin

Every hand-object interaction begins with contact. Despite predicting the contact state between hands and objects is useful in understanding hand-object interactions, prior methods on hand-object analysis have assumed that the interacting…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Takuma Yagi , Md Tasnimul Hasan , Yoichi Sato

Progress has been achieved recently in object detection given advancements in deep learning. Nevertheless, such tools typically require a large amount of training data and significant manual effort to label objects. This limits their…

Robotics · Computer Science 2017-08-04 Chaitanya Mitash , Kostas E. Bekris , Abdeslam Boularias

We address the problem of visually guided rearrangement planning with many movable objects, i.e., finding a sequence of actions to move a set of objects from an initial arrangement to a desired one, while relying on visual inputs coming…

Learning an object detector or retrieval requires a large data set with manual annotations. Such data sets are expensive and time consuming to create and therefore difficult to obtain on a large scale. In this work, we propose to exploit…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Elad Amrani , Rami Ben-Ari , Tal Hakim , Alex Bronstein

Visual grounding is a task to locate the target indicated by a natural language expression. Existing methods extend the generic object detection framework to this problem. They base the visual grounding on the features from pre-generated…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Li Yang , Yan Xu , Chunfeng Yuan , Wei Liu , Bing Li , Weiming Hu

Interactive visual navigation tasks, which involve following instructions to reach and interact with specific targets, are challenging not only because successful experiences are very rare but also because the complex visual inputs require…

Artificial Intelligence · Computer Science 2024-06-21 Kibeom Kim , Kisung Shin , Min Whoo Lee , Moonhoen Lee , Minsu Lee , Byoung-Tak Zhang

Compared with object detection in static images, object detection in videos is more challenging due to degraded image qualities. An effective way to address this problem is to exploit temporal contexts by linking the same object across…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Peng Tang , Chunyu Wang , Xinggang Wang , Wenyu Liu , Wenjun Zeng , Jingdong Wang

Can knowing where you are assist in perceiving objects in your surroundings, especially under adverse weather and lighting conditions? In this work we investigate whether a prior map can be leveraged to aid in the detection of dynamic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Stephen Hausler , Sourav Garg , Punarjay Chakravarty , Shubham Shrivastava , Ankit Vora , Michael Milford

Weakly supervised 3D object detection aims to learn a 3D detector with lower annotation cost, e.g., 2D labels. Unlike prior work which still relies on few accurate 3D annotations, we propose a framework to study how to leverage constraints…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Kuan-Chih Huang , Yi-Hsuan Tsai , Ming-Hsuan Yang

In this paper we introduce the problem of Visual Semantic Role Labeling: given an image we want to detect people doing actions and localize the objects of interaction. Classical approaches to action recognition either study the task of…

Computer Vision and Pattern Recognition · Computer Science 2015-05-19 Saurabh Gupta , Jitendra Malik

Vision sensors are extensively used for localizing a robot's pose, particularly in environments where global localization tools such as GPS or motion capture systems are unavailable. In many visual navigation systems, localization is…

Robotics · Computer Science 2025-02-04 Dabin Kim , Inkyu Jang , Youngsoo Han , Sunwoo Hwang , H. Jin Kim

In this work, we propose an open-vocabulary object detection method that, based on image-caption pairs, learns to detect novel object classes along with a given set of known classes. It is a two-stage training approach that first uses a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Maria A. Bravo , Sudhanshu Mittal , Thomas Brox

In this paper, we present a novel vision-based framework for tracking dynamic objects using guidance laws based on a rendezvous cone approach. These guidance laws enable an unmanned aircraft system equipped with a monocular camera to…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Pritam Karmokar , Kashish Dhal , William J. Beksi , Animesh Chakravarthy

Object localization is a hot issue in computer vision area, which aims to identify and determine the precise location of specific objects from image or video. Most existing object localization methods heavily rely on extensive labeled data,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Jingjing Wang , Xinglin Piao , Zongzhi Gao , Bo Li , Yong Zhang , Baocai Yin

We present Vision-based Navigation with Language-based Assistance (VNLA), a grounded vision-language task where an agent with visual perception is guided via language to find objects in photorealistic indoor environments. The task emulates…

Machine Learning · Computer Science 2019-04-09 Khanh Nguyen , Debadeepta Dey , Chris Brockett , Bill Dolan

Most tracking-by-detection methods employ a local search window around the predicted object location in the current frame assuming the previous location is accurate, the trajectory is smooth, and the computational capacity permits a search…

Computer Vision and Pattern Recognition · Computer Science 2016-05-09 Gao Zhu , Fatih Porikli , Hongdong Li