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Semantic segmentation using deep neural networks has been widely explored to generate high-level contextual information for autonomous vehicles. To acquire a complete $180^\circ$ semantic understanding of the forward surroundings, we…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Wei Zhou , Alex Zyner , Stewart Worrall , Eduardo Nebot

Open-vocabulary semantic segmentation aims to assign labels to every pixel in an image based on text labels. Existing approaches typically utilize vision-language models (VLMs), such as CLIP, for dense prediction. However, VLMs, pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Zhen Yao , Xin Li , Taotao Jing , Shuai Zhang , Mooi Choo Chuah

Open-vocabulary object detection with vision-language models (VLMs) such as Grounding DINO suffers from performance degradation under test-time distribution shifts, primarily due to semantic misalignment between text embeddings and shifted…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Lihua Zhou , Mao Ye , Xiatian Zhu , Nianxin Li , Changyi Ma , Shuaifeng Li , Yitong Qin , Hongbin Liu , Jiebo Luo , Zhen Lei

We present an automated technique for computing a map between two genus-zero shapes, which matches semantically corresponding regions to one another. Lack of annotated data prohibits direct inference of 3D semantic priors; instead, current…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Luca Morreale , Noam Aigerman , Vladimir G. Kim , Niloy J. Mitra

Understanding the 3D semantics of a scene is a fundamental problem for various scenarios such as embodied agents. While NeRFs and 3DGS excel at novel-view synthesis, previous methods for understanding their semantics have been limited to…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Hyunjee Lee , Youngsik Yun , Jeongmin Bae , Seoha Kim , Youngjung Uh

Foreground segmentation is an essential task in the field of image understanding. Under unsupervised conditions, different images and instances always have variable expressions, which make it difficult to achieve stable segmentation…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Xi Li , Huimin Ma , Hongbing Ma , Yidong Wang

Semantic scene completion, also known as semantic occupancy prediction, can provide dense geometric and semantic information for autonomous vehicles, which attracts the increasing attention of both academia and industry. Unfortunately,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Song Wang , Jiawei Yu , Wentong Li , Wenyu Liu , Xiaolu Liu , Junbo Chen , Jianke Zhu

Visual localization remains challenging in dynamic environments where fluctuating lighting, adverse weather, and moving objects disrupt appearance cues. Despite advances in feature representation, current absolute pose regression methods…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Zhongtao Tian , Wenhao Huang , Zhidong Chen , Xiao Wei Sun

3D scene segmentation based on neural implicit representation has emerged recently with the advantage of training only on 2D supervision. However, existing approaches still requires expensive per-scene optimization that prohibits…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Hanlin Chen , Chen Li , Mengqi Guo , Zhiwen Yan , Gim Hee Lee

A thorough comprehension of image content demands a complex grasp of the interactions that may occur in the natural world. One of the key issues is to describe the visual relationships between objects. When dealing with real world data,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 François Plesse , Alexandru Ginsca , Bertrand Delezoide , Françoise Prêteux

Self-supervised learning has achieved remarkable success in learning visual representations from clean data, yet remains challenging when clean observations are sparse or not available at all. In this paper, we demonstrate that pretrained…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Konstantinos Alexis , Giorgos Giannopoulos , Dimitrios Gunopulos

Although cluttered indoor scenes have a lot of useful high-level semantic information which can be used for mapping and localization, most Visual Odometry (VO) algorithms rely on the usage of geometric features such as points, lines and…

Computer Vision and Pattern Recognition · Computer Science 2018-03-02 Huai-Jen Liang , Nitin J. Sanket , Cornelia Fermüller , Yiannis Aloimonos

While 3D reconstruction is a well-established and widely explored research topic, semantic 3D reconstruction has only recently witnessed an increasing share of attention from the Computer Vision community. Semantic annotations allow in fact…

Computer Vision and Pattern Recognition · Computer Science 2017-08-28 Andrea Romanoni , Marco Ciccone , Francesco Visin , Matteo Matteucci

Nowadays the accurate geo-localization of ground-view images has an important role across domains as diverse as journalism, forensics analysis, transports, and Earth Observation. This work addresses the problem of matching a query…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Francesco Pro , Nikolaos Dionelis , Luca Maiano , Bertrand Le Saux , Irene Amerini

This paper presents a grounded language-image pre-training (GLIP) model for learning object-level, language-aware, and semantic-rich visual representations. GLIP unifies object detection and phrase grounding for pre-training. The…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Liunian Harold Li , Pengchuan Zhang , Haotian Zhang , Jianwei Yang , Chunyuan Li , Yiwu Zhong , Lijuan Wang , Lu Yuan , Lei Zhang , Jenq-Neng Hwang , Kai-Wei Chang , Jianfeng Gao

Visual grounding refers to the ability of a model to identify a region within some visual input that matches a textual description. Consequently, a model equipped with visual grounding capabilities can target a wide range of applications in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Georgios Pantazopoulos , Eda B. Özyiğit

Embodied scene understanding requires not only comprehending visual-spatial information that has been observed but also determining where to explore next in the 3D physical world. Existing 3D Vision-Language (3D-VL) models primarily focus…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Ziyu Zhu , Xilin Wang , Yixuan Li , Zhuofan Zhang , Xiaojian Ma , Yixin Chen , Baoxiong Jia , Wei Liang , Qian Yu , Zhidong Deng , Siyuan Huang , Qing Li

Recent advances in feature learning have shown that self-supervised vision foundation models can capture semantic correspondences but often lack awareness of underlying 3D geometry. GECO addresses this gap by producing geometrically…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Regine Hartwig , Dominik Muhle , Riccardo Marin , Daniel Cremers

Image stitching often faces challenges due to varying capture angles, positional differences, and object movements, leading to misalignments and visual discrepancies. Traditional seam carving methods neglect semantic information, causing…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Ji-Ping Jin , Chen-Bin Feng , Rui Fan , Chi-Man Vong

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