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Related papers: Hex2vec -- Context-Aware Embedding H3 Hexagons wit…

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Unsupervised region representation learning aims to extract dense and effective features from unlabeled urban data. While some efforts have been made for solving this problem based on multiple views, existing methods are still insufficient…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Liang Zhang , Cheng Long , Gao Cong

Being able to perceive the semantics and the spatial structure of the environment is essential for visual navigation of a household robot. However, most existing works only employ visual backbones pre-trained either with independent images…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Yicong Hong , Yang Zhou , Ruiyi Zhang , Franck Dernoncourt , Trung Bui , Stephen Gould , Hao Tan

Autonomous vehicles must be capable of handling the occlusion of the environment to ensure safe and efficient driving. In urban environment, occlusion often arises due to other vehicles obscuring the perception of the ego vehicle. Since the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Bochao Huang , Pin

This paper is concerned with the problem of how to better exploit 3D geometric information for dense semantic image labeling. Existing methods often treat the available 3D geometry information (e.g., 3D depth-map) simply as an additional…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Yiran Zhong , Yuchao Dai , Hongdong Li

Visual localization is critical to many applications in computer vision and robotics. To address single-image RGB localization, state-of-the-art feature-based methods match local descriptors between a query image and a pre-built 3D model.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Shuzhe Wang , Zakaria Laskar , Iaroslav Melekhov , Xiaotian Li , Yi Zhao , Giorgos Tolias , Juho Kannala

The unprecedented urbanization in China has dramatically changed the urban spatial structure of cities. With the proliferation of individual-level geospatial big data, previous studies have widely used the network abstraction model to…

Social and Information Networks · Computer Science 2022-11-22 Sheng Hu , Song Gao , Wei Luo , Liang Wu , Tianqi Li , Yongyang Xu , Ziwei Zhang

Most autonomous cars rely on the availability of high-definition (HD) maps. Current research aims to address this constraint by directly predicting HD map elements from onboard sensors and reasoning about the relationships between the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Khanh Son Pham , Christian Witte , Jens Behley , Johannes Betz , Cyrill Stachniss

Autonomous navigation in unstructured off-road environments is greatly improved by semantic scene understanding. Conventional image processing algorithms are difficult to implement and lack robustness due to a lack of structure and high…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Anthony Medellin , Anant Bhamri , Reza Langari , Swaminathan Gopalswamy

Graph embedding techniques, which learn low-dimensional representations of a graph, are achieving state-of-the-art performance in many graph mining tasks. Most existing embedding algorithms assign a single vector to each node, implicitly…

Social and Information Networks · Computer Science 2020-10-22 Jisung Yoon , Kai-Cheng Yang , Woo-Sung Jung , Yong-Yeol Ahn

The pixel's classification of images obtained from random heterogeneous materials is a relevant step to compute their physical properties, like Effective Transport Coefficients (ETC), during a characterization process as stochastic…

Remote sensing image plays an irreplaceable role in fields such as agriculture, water resources, military, and disaster relief. Pixel-level interpretation is a critical aspect of remote sensing image applications; however, a prevalent…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Kaiyu Li , Ruixun Liu , Xiangyong Cao , Xueru Bai , Feng Zhou , Deyu Meng , Zhi Wang

Accurate and reliable ego-localization is critical for autonomous driving. In this paper, we present EgoVM, an end-to-end localization network that achieves comparable localization accuracy to prior state-of-the-art methods, but uses…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Yuzhe He , Shuang Liang , Xiaofei Rui , Chengying Cai , Guowei Wan

Transforming road network data into vector representations using deep learning has proven effective for road network analysis. However, urban road networks' heterogeneous and hierarchical nature poses challenges for accurate representation…

Artificial Intelligence · Computer Science 2025-09-10 Jian Yang , Jiahui Wu , Li Fang , Hongchao Fan , Bianying Zhang , Huijie Zhao , Guangyi Yang , Rui Xin , Xiong You

Semantic vector embedding techniques have proven useful in learning semantic representations of data across multiple domains. A key application enabled by such techniques is the ability to measure semantic similarity between given data…

Computation and Language · Computer Science 2020-09-01 Shalisha Witherspoon , Dean Steuer , Graham Bent , Nirmit Desai

Constructing HD semantic maps is a central component of autonomous driving. However, traditional pipelines require a vast amount of human efforts and resources in annotating and maintaining the semantics in the map, which limits its…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Qi Li , Yue Wang , Yilun Wang , Hang Zhao

Embeddings are an important tool for the representation of word meaning. Their effectiveness rests on the distributional hypothesis: words that occur in the same context carry similar semantic information. Here, we adapt this approach to…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Matthias S. Treder , Juan Mayor-Torres , Christoph Teufel

In order to perform complex actions in human environments, an autonomous robot needs the ability to understand the environment, that is, to gather and maintain spatial knowledge. Topological map is commonly used for representing large…

Robotics · Computer Science 2017-07-11 Kaiyu Zheng

Autonomous robots are increasingly playing key roles as support platforms for human operators in high-risk, dangerous applications. To accomplish challenging tasks, an efficient human-robot cooperation and understanding is required. While…

Graph based representation is widely used in visual tracking field by finding correct correspondences between target parts in consecutive frames. However, most graph based trackers consider pairwise geometric relations between local parts.…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Dawei Du , Honggang Qi , Longyin Wen , Qi Tian , Qingming Huang , Siwei Lyu

Semantic segmentation is the problem of assigning a class label to every pixel in an image, and is an important component of an autonomous vehicle vision stack for facilitating scene understanding and object detection. However, many of the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Christopher J. Holder , Muhammad Shafique