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Current approaches for video grounding propose kinds of complex architectures to capture the video-text relations, and have achieved impressive improvements. However, it is hard to learn the complicated multi-modal relations by only…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Xinpeng Ding , Nannan Wang , Shiwei Zhang , De Cheng , Xiaomeng Li , Ziyuan Huang , Mingqian Tang , Xinbo Gao

In this paper we aim to determine the location and orientation of a ground-level query image by matching to a reference database of overhead (e.g. satellite) images. For this task we collect a new dataset with one million pairs of street…

Computer Vision and Pattern Recognition · Computer Science 2017-03-24 Nam Vo , James Hays

Accurately detecting objects in the environment is a key challenge for autonomous vehicles. However, obtaining annotated data for detection is expensive and time-consuming. We introduce PatchContrast, a novel self-supervised point cloud…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Oren Shrout , Ori Nizan , Yizhak Ben-Shabat , Ayellet Tal

The paper proposes a light-weighted stereo frustums matching module for 3D objection detection. The proposed framework takes advantage of a high-performance 2D detector and a point cloud segmentation network to regress 3D bounding boxes for…

Computer Vision and Pattern Recognition · Computer Science 2020-11-22 Xi Mo , Usman Sajid , Guanghui Wang

Unlike Object Detection, Visual Grounding task necessitates the detection of an object described by complex free-form language. To simultaneously model such complex semantic and visual representations, recent state-of-the-art studies adopt…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Weitai Kang , Luowei Zhou , Junyi Wu , Changchang Sun , Yan Yan

Change detection plays a fundamental role in Earth observation for analyzing temporal iterations over time. However, recent studies have largely neglected the utilization of multimodal data that presents significant practical and technical…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Biyuan Liu , Huaixin Chen , Kun Li , Michael Ying Yang

Visual domain gaps often impact object detection performance. Image-to-image translation can mitigate this effect, where contrastive approaches enable learning of the image-to-image mapping under unsupervised regimes. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Danai Triantafyllidou , Sarah Parisot , Ales Leonardis , Steven McDonagh

Contrastive self-supervised learning has shown impressive results in learning visual representations from unlabeled images by enforcing invariance against different data augmentations. However, the learned representations are often…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Sangwoo Mo , Hyunwoo Kang , Kihyuk Sohn , Chun-Liang Li , Jinwoo Shin

A comprehensive and explicit understanding of surgical scenes plays a vital role in developing context-aware computer-assisted systems in the operating theatre. However, few works provide systematical analysis to enable hierarchical…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Luoying Hao , Yan Hu , Yang Yue , Li Wu , Huazhu Fu , Jinming Duan , Jiang Liu

Open-vocabulary 3D object detection (OV-3DOD) aims at localizing and classifying novel objects beyond closed sets. The recent success of vision-language models (VLMs) has demonstrated their remarkable capabilities to understand open…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Youjun Zhao , Jiaying Lin , Rynson W. H. Lau

Spatio-temporal video grounding aims to retrieve the spatio-temporal tube of a queried object according to the given sentence. Currently, most existing grounding methods are restricted to well-aligned segment-sentence pairs. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Zhu Zhang , Zhou Zhao , Zhijie Lin , Baoxing Huai , Nicholas Jing Yuan

Point cloud-based 3D object tracking is an important task in autonomous driving. Though great advances regarding Siamese-based 3D tracking have been made recently, it remains challenging to learn the correlation between the template and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Shihao Feng , Pengpeng Liang , Jin Gao , Erkang Cheng

The prior self-supervised learning researches mainly select image-level instance discrimination as pretext task. It achieves a fantastic classification performance that is comparable to supervised learning methods. However, with degraded…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Bing Zhao , Jun Li , Hong Zhu

Visual grounding has attracted wide attention thanks to its broad application in various visual language tasks. Although visual grounding has made significant research progress, existing methods ignore the promotion effect of the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Minghong Xie , Mengzhao Wang , Huafeng Li , Yafei Zhang , Dapeng Tao , Zhengtao Yu

Today's most accurate language models are trained on orders of magnitude more language data than human language learners receive - but with no supervision from other sensory modalities that play a crucial role in human learning. Can we make…

Computation and Language · Computer Science 2024-03-22 Chengxu Zhuang , Evelina Fedorenko , Jacob Andreas

The DEtection TRansformer (DETR) opened new possibilities for object detection by modeling it as a translation task: converting image features into object-level representations. Previous works typically add expensive modules to DETR to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Pierre-François De Plaen , Nicola Marinello , Marc Proesmans , Tinne Tuytelaars , Luc Van Gool

Reconstructing dynamic scenes with multiple interacting humans and objects from sparse-view inputs is a critical yet challenging task, essential for creating high-fidelity digital twins for robotics and VR/AR. This problem, which we term…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Weiquan Wang , Jun Xiao , Feifei Shao , Yi Yang , Yueting Zhuang , Long Chen

Human-object interaction (HOI) detection as a downstream of object detection tasks requires localizing pairs of humans and objects and extracting the semantic relationships between humans and objects from an image. Recently, one-stage…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Junwen Chen , Keiji Yanai

Object rearrangement has recently emerged as a key competency in robot manipulation, with practical solutions generally involving object detection, recognition, grasping and high-level planning. Goal-images describing a desired scene…

Robotics · Computer Science 2021-11-16 Walter Goodwin , Sagar Vaze , Ioannis Havoutis , Ingmar Posner

3D visual grounding aims to identify and localize objects in a 3D space based on textual descriptions. However, existing methods struggle with disentangling targets from anchors in complex multi-anchor queries and resolving inconsistencies…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Ronggang Huang , Haoxin Yang , Yan Cai , Xuemiao Xu , Huaidong Zhang , Shengfeng He