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Multi-modal 3D object detectors are dedicated to exploring secure and reliable perception systems for autonomous driving (AD).Although achieving state-of-the-art (SOTA) performance on clean benchmark datasets, they tend to overlook the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Ziying Song , Guoxing Zhang , Lin Liu , Lei Yang , Shaoqing Xu , Caiyan Jia , Feiyang Jia , Li Wang

To autonomously navigate and plan interactions in real-world environments, robots require the ability to robustly perceive and map complex, unstructured surrounding scenes. Besides building an internal representation of the observed scene…

Context has proven to be one of the most important factors in object layout reasoning for 3D scene understanding. Existing deep contextual models either learn holistic features for context encoding or rely on pre-defined scene templates for…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Yuqing Lan , Yao Duan , Yifei Shi , Hui Huang , Kai Xu

We propose a novel method for 3D object reconstruction from a sparse set of views captured from a 360-degree calibrated camera rig. We represent the object surface through a hybrid model that uses both an MLP-based neural representation and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Llukman Cerkezi , Paolo Favaro

Personal fabrication is made more accessible through repositories like Thingiverse, as they replace modeling with retrieval. However, they require users to translate spatial requirements to keywords, which paints an incomplete picture of…

Human-Computer Interaction · Computer Science 2022-04-01 Evgeny Stemasov , Tobias Wagner , Jan Gugenheimer , Enrico Rukzio

The recent development in multimodal learning has greatly advanced the research in 3D scene understanding in various real-world tasks such as embodied AI. However, most existing studies are facing two common challenges: 1) they are short of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Xueying Jiang , Lewei Lu , Ling Shao , Shijian Lu

Seemingly simple natural language requests to a robot are generally underspecified, for example "Can you bring me the wireless mouse?" Flat images of candidate mice may not provide the discriminative information needed for "wireless." The…

Computation and Language · Computer Science 2021-09-16 Jesse Thomason , Mohit Shridhar , Yonatan Bisk , Chris Paxton , Luke Zettlemoyer

The size of 3D models used on the web or stored in databases is becoming increasingly high. Then, an efficient method that allows users to find similar 3D objects for a given 3D model query has become necessary. Keywords and the geometry of…

Information Retrieval · Computer Science 2011-11-29 My Abdellah Kassimi , Omar El beqqali

The recent technological progress in acquisition, modeling and processing of 3D data leads to the proliferation of a large number of 3D objects databases. Consequently, the techniques used for content based 3D retrieval has become…

Computer Vision and Pattern Recognition · Computer Science 2011-11-09 Abdelghni Lakehal , Omar El Beqqali

In this paper, we investigate an open research task of cross-modal retrieval between 3D shapes and textual descriptions. Previous approaches mainly rely on point cloud encoders for feature extraction, which may ignore key inherent features…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Hao Wu , Ruochong LI , Hao Wang , Hui Xiong

We propose a novel technique for producing high-quality 3D models that match a given target object image or scan. Our method is based on retrieving an existing shape from a database of 3D models and then deforming its parts to match the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Mikaela Angelina Uy , Vladimir G. Kim , Minhyuk Sung , Noam Aigerman , Siddhartha Chaudhuri , Leonidas Guibas

Multi-modal 3D semantic segmentation is vital for applications such as autonomous driving and virtual reality (VR). To effectively deploy these models in real-world scenarios, it is essential to employ cross-domain adaptation techniques…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Mingyu Yang , Jitong Lu , Hun-Seok Kim

Reconstructing 3D face from a single unconstrained image remains a challenging problem due to diverse conditions in unconstrained environments. Recently, learning-based methods have achieved notable results by effectively capturing complex…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Danling Cao

The rise of multi-modal search requests from users has highlighted the importance of multi-modal retrieval (i.e. image-to-text or text-to-image retrieval), yet the more complex task of image-to-multi-modal retrieval, crucial for many…

Information Retrieval · Computer Science 2024-06-11 Zida Cheng , Chen Ju , Shuai Xiao , Xu Chen , Zhonghua Zhai , Xiaoyi Zeng , Weilin Huang , Junchi Yan

Visual speech recognition is the task to decode the speech content from a video based on visual information, especially the movements of lips. It is also referenced as lipreading. Motivated by two problems existing in lipreading, words with…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Jingyun Xiao

Room reidentification (ReID) is a challenging yet essential task with numerous applications in fields such as augmented reality (AR) and homecare robotics. Existing visual place recognition (VPR) methods, which typically rely on global…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Runmao Yao , Yi Du , Zhuoqun Chen , Haoze Zheng , Chen Wang

Amodal segmentation aims to infer the complete shape of occluded objects, even when the occluded region's appearance is unavailable. However, current amodal segmentation methods lack the capability to interact with users through text input…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Zhixuan Li , Hyunse Yoon , Sanghoon Lee , Weisi Lin

3D situational awareness is critical for any autonomous system. However, when operating underwater, environmental conditions often dictate the use of acoustic sensors. These acoustic sensors are plagued by high noise and a lack of 3D…

Robotics · Computer Science 2024-12-06 John McConnell , Ivana Collado-Gonzalez , Paul Szenher , Brendan Englot

Monocular 3D object detection has achieved impressive performance on densely annotated datasets. However, it struggles when only a fraction of objects are labeled due to the high cost of 3D annotation. This sparsely annotated setting is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Junyoung Jung , Seokwon Kim , Jung Uk Kim

Accurate 3D reconstruction in visually-degraded underwater environments remains a formidable challenge. Single-modality approaches are insufficient: vision-based methods fail due to poor visibility and geometric constraints, while sonar is…

Robotics · Computer Science 2026-05-19 Lingpeng Chen , Jiakun Tang , Apple Pui-Yi Chui , Ziyang Hong , Junfeng Wu