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Event-based object detection has recently garnered attention in the computer vision community due to the exceptional properties of event cameras, such as high dynamic range and no motion blur. However, feature asynchronism and sparsity…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Ting-Kang Yen , Igor Morawski , Shusil Dangi , Kai He , Chung-Yi Lin , Jia-Fong Yeh , Hung-Ting Su , Winston Hsu

Comprehending 3D environments is vital for intelligent systems in domains like robotics and autonomous navigation. Voxel grids offer a structured representation of 3D space, but extracting high-level semantic meaning remains challenging.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Alan Dao , Norapat Buppodom

Vision language models (VLMs) are AI systems paired with both language and vision encoders to process multimodal input. They are capable of performing complex semantic tasks such as automatic captioning, but it remains an open question…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Tyler Tran , Sangeet Khemlani , J. G. Trafton

Loop closure can effectively correct the accumulated error in robot localization, which plays a critical role in the long-term navigation of the robot. Traditional appearance-based methods rely on local features and are prone to failure in…

Robotics · Computer Science 2022-11-23 Junfeng Yu , Shaojie Shen

Unsupervised representation learning techniques, such as learning word embeddings, have had a significant impact on the field of natural language processing. Similar representation learning techniques have not yet become commonplace in the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Joël Bachmann , Kenneth Blomqvist , Julian Förster , Roland Siegwart

Semantic maps allow a robot to reason about its surroundings to fulfill tasks such as navigating known environments, finding specific objects, and exploring unmapped areas. Traditional mapping approaches provide accurate geometric…

Robotics · Computer Science 2026-02-03 Felix Igelbrink , Lennart Niecksch , Marian Renz , Martin Günther , Martin Atzmueller

Real-world applications, such as autonomous driving and humanoid robot manipulation, require precise spatial perception. However, it remains underexplored how Vision-Language Models (VLMs) recognize spatial relationships and perceive…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Fei Kong , Jinhao Duan , Kaidi Xu , Zhenhua Guo , Xiaofeng Zhu , Xiaoshuang Shi

Spatial relationships between objects provide important information for text-based image retrieval. As users are more likely to describe a scene from a real world perspective, using 3D spatial relationships rather than 2D relationships that…

Computer Vision and Pattern Recognition · Computer Science 2017-04-13 Ang Li , Jin Sun , Joe Yue-Hei Ng , Ruichi Yu , Vlad I. Morariu , Larry S. Davis

Vision language models (VLMs) are designed to extract relevant visuospatial information from images. Some research suggests that VLMs can exhibit humanlike scene understanding, while other investigations reveal difficulties in their ability…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Sangeet Khemlani , Tyler Tran , Nathaniel Gyory , Anthony M. Harrison , Wallace E. Lawson , Ravenna Thielstrom , Hunter Thompson , Taaren Singh , J. Gregory Trafton

The fusion of language and vision in large vision-language models (LVLMs) has revolutionized deep learning-based object detection by enhancing adaptability, contextual reasoning, and generalization beyond traditional architectures. This…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Ranjan Sapkota , Manoj Karkee

Spatial Reasoning is an important component of human cognition and is an area in which the latest Vision-language models (VLMs) show signs of difficulty. The current analysis works use image captioning tasks and visual question answering.…

Computation and Language · Computer Science 2025-02-10 Akshar Tumu , Parisa Kordjamshidi

Vision-Language Models (VLMs) often yield inconsistent descriptions of the same object across viewpoints, hindering the ability of embodied agents to construct consistent semantic representations over time. Previous methods resolved…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Tommaso Galliena , Stefano Rosa , Tommaso Apicella , Pietro Morerio , Alessio Del Bue , Lorenzo Natale

We present a novel approach for relocalization or place recognition, a fundamental problem to be solved in many robotics, automation, and AR applications. Rather than relying on often unstable appearance information, we consider a situation…

Robotics · Computer Science 2022-08-30 Lan Hu , Zhongwei Luo , Runze Yuan , Yuchen Cao , Jiaxin Wei , Kai Wangand Laurent Kneip

Open-set perception in complex traffic environments poses a critical challenge for autonomous driving systems, particularly in identifying previously unseen object categories, which is vital for ensuring safety. Visual Language Models…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Fuhao Chang , Shuxin Li , Yabei Li , Lei He

Deep-learning and large scale language-image training have produced image object detectors that generalise well to diverse environments and semantic classes. However, single-image object detectors trained on internet data are not optimally…

Robotics · Computer Science 2024-02-07 Nicolas Harvey Chapman , Feras Dayoub , Will Browne , Chris Lehnert

The widespread use of cameras in our society has created an overwhelming amount of video data, far exceeding the capacity for human monitoring. This presents a critical challenge for public safety and security, as the timely detection of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Pascal Benschop , Cristian Meo , Justin Dauwels , Jelte P. Mense

Conventional 3D object detection approaches concentrate on bounding boxes representation learning with several parameters, i.e., localization, dimension, and orientation. Despite its popularity and universality, such a straightforward…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Xuelin Qian , Li Wang , Yi Zhu , Li Zhang , Yanwei Fu , Xiangyang Xue

Although point-based networks are demonstrated to be accurate for 3D point cloud modeling, they are still falling behind their voxel-based competitors in 3D detection. We observe that the prevailing set abstraction design for down-sampling…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Chen Chen , Zhe Chen , Jing Zhang , Dacheng Tao

This paper presents a feature encoding method of complex 3D objects for high-level semantic features. Recent approaches to object recognition methods become important for semantic simultaneous localization and mapping (SLAM). However, there…

Robotics · Computer Science 2018-08-31 H. W. Yu , B. H. Lee

Robust visual localization under a wide range of viewing conditions is a fundamental problem in computer vision. Handling the difficult cases of this problem is not only very challenging but also of high practical relevance, e.g., in the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Johannes L. Schönberger , Marc Pollefeys , Andreas Geiger , Torsten Sattler