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We propose Visual Query Detection (VQD), a new visual grounding task. In VQD, a system is guided by natural language to localize a variable number of objects in an image. VQD is related to visual referring expression recognition, where the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Manoj Acharya , Karan Jariwala , Christopher Kanan

Detecting 3D objects accurately from multi-view 2D images is a challenging yet essential task in the field of autonomous driving. Current methods resort to integrating depth prediction to recover the spatial information for object query…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Haisheng Su , Junjie Zhang , Feixiang Song , Sanping Zhou , Wei Wu , Nanning Zheng , Junchi Yan

Unsupervised domain adaptation (DA) with the aid of pseudo labeling techniques has emerged as a crucial approach for domain-adaptive 3D object detection. While effective, existing DA methods suffer from a substantial drop in performance…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Zhuoxiao Chen , Yadan Luo , Zheng Wang , Mahsa Baktashmotlagh , Zi Huang

Combinatorial optimization problems involving multiple agents are notoriously challenging due to their NP-hard nature and the necessity for effective agent coordination. Despite advancements in learning-based methods, existing approaches…

Multiagent Systems · Computer Science 2025-10-23 Federico Berto , Chuanbo Hua , Laurin Luttmann , Jiwoo Son , Junyoung Park , Kyuree Ahn , Changhyun Kwon , Lin Xie , Jinkyoo Park

Person re-identification (re-ID) requires rapid, flexible yet discriminant representations to quickly generalize to unseen observations on-the-fly and recognize the same identity across disjoint camera views. Recent effective methods are…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Lin Wu , Yang Wang , Junbin Gao , Dacheng Tao

Feature pyramid has been an efficient method to extract features at different scales. Development over this method mainly focuses on aggregating contextual information at different levels while seldom touching the inter-level correlation in…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Xinjiang Wang , Shilong Zhang , Zhuoran Yu , Litong Feng , Wayne Zhang

Manipulating articulated objects with robotic arms is challenging due to the complex kinematic structure, which requires precise part segmentation for efficient manipulation. In this work, we introduce a novel superpoint-based perception…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Qiaojun Yu , Ce Hao , Xibin Yuan , Li Zhang , Liu Liu , Yukang Huo , Rohit Agarwal , Cewu Lu

While most people associate LiDAR primarily with its ability to measure distances and provide geometric information about the environment (via point clouds), LiDAR also captures additional data, including reflectivity or intensity values.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Yechan Park , Gyuhyeon Pak , Euntai Kim

We introduce a framework for multi-camera 3D object detection. In contrast to existing works, which estimate 3D bounding boxes directly from monocular images or use depth prediction networks to generate input for 3D object detection from 2D…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Yue Wang , Vitor Guizilini , Tianyuan Zhang , Yilun Wang , Hang Zhao , Justin Solomon

We propose a transformer-based neural network architecture for multi-object 3D reconstruction from RGB videos. It relies on two alternative ways to represent its knowledge: as a global 3D grid of features and an array of view-specific 2D…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Michał J. Tyszkiewicz , Kevis-Kokitsi Maninis , Stefan Popov , Vittorio Ferrari

Two major challenges of 3D LiDAR Panoptic Segmentation (PS) are that point clouds of an object are surface-aggregated and thus hard to model the long-range dependency especially for large instances, and that objects are too close to…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Shuangjie Xu , Rui Wan , Maosheng Ye , Xiaoyi Zou , Tongyi Cao

Automated three-dimensional (3D) object reconstruction is the task of building a geometric representation of a physical object by means of sensing its surface. Even though new single view reconstruction techniques can predict the surface,…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 J. Irving Vasquez-Gomez , David Troncoso , Israel Becerra , Enrique Sucar , Rafael Murrieta-Cid

Object pose estimation is a long-standing problem in computer vision. Recently, attention-based vision transformer models have achieved state-of-the-art results in many computer vision applications. Exploiting the permutation-invariant…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Arul Selvam Periyasamy , Vladimir Tsaturyan , Sven Behnke

We apply a general recurrent neural network (RNN) encoder framework to community question answering (cQA) tasks. Our approach does not rely on any linguistic processing, and can be applied to different languages or domains. Further…

Computation and Language · Computer Science 2016-03-24 Wei-Ning Hsu , Yu Zhang , James Glass

The integration of point and voxel representations is becoming more common in LiDAR-based 3D object detection. However, this combination often struggles with capturing semantic information effectively. Moreover, relying solely on point…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Yidi Li , Jiahao Wen , Bin Ren , Wenhao Li , Zhenhuan Xu , Hao Guo , Hong Liu , Nicu Sebe

Feedforward convolutional neural networks are the prevalent model of core object recognition. For challenging conditions, such as occlusion, neuroscientists believe that the recurrent connectivity in the visual cortex aids object…

Computer Vision and Pattern Recognition · Computer Science 2019-09-16 Markus Roland Ernst , Jochen Triesch , Thomas Burwick

Rapid learning requires flexible representations to quickly adopt to new evidence. We develop a novel class of models called Attentive Recurrent Comparators (ARCs) that form representations of objects by cycling through them and making…

Computer Vision and Pattern Recognition · Computer Science 2017-07-03 Pranav Shyam , Shubham Gupta , Ambedkar Dukkipati

We present Pix2Seq, a simple and generic framework for object detection. Unlike existing approaches that explicitly integrate prior knowledge about the task, we cast object detection as a language modeling task conditioned on the observed…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Ting Chen , Saurabh Saxena , Lala Li , David J. Fleet , Geoffrey Hinton

Camouflaged object detection is an emerging and challenging computer vision task that requires identifying and segmenting objects that blend seamlessly into their environments due to high similarity in color, texture, and size. This task is…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Leena Alghamdi , Muhammad Usman , Hafeez Anwar , Abdul Bais , Saeed Anwar

Popular transformer detectors have achieved promising performance through query-based learning using attention mechanisms. However, the roles of existing decoder query types (e.g., content query and positional query) are still…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Guiping Cao , Xiangyuan Lan , Wenjian Huang , Jianguo Zhang , Dongmei Jiang , Yaowei Wang