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Vectors fields defined on surfaces constitute relevant and useful representations but are rarely used. One reason might be that comparing vector fields across two surfaces of the same genus is not trivial: it requires to transport the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Amine Bohi , Guillaume Auzias , Julien Lefèvre

Segmenting unseen object instances in cluttered environments is an important capability that robots need when functioning in unstructured environments. While previous methods have exhibited promising results, they still tend to provide…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Christopher Xie , Arsalan Mousavian , Yu Xiang , Dieter Fox

Visual question answering (VQA) has emerged as a flexible approach for extracting specific pieces of information from document images. However, existing work typically queries each field in isolation, overlooking potential dependencies…

Computation and Language · Computer Science 2025-03-24 Mengsay Loem , Taiju Hosaka

Object detection and semantic segmentation are two main themes in object retrieval from high-resolution remote sensing images, which have recently achieved remarkable performance by surfing the wave of deep learning and, more notably,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Lichao Mou , Xiao Xiang Zhu

Recovering the 3D geometric structure of a face from a single input image is a challenging active research area in computer vision. In this paper, we present a novel method for reconstructing 3D heads from a single or multiple image(s)…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Oussema Bouafif , Bogdan Khomutenko , Mohamed Daoudi

Pedestrian Attribute Recognition is a foundational computer vision task that provides essential support for downstream applications, including person retrieval in video surveillance and intelligent retail analytics. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Minghe Xu , Rouying Wu , Jiarui Xu , Minhao Sun , Zikang Yan , Xiao Wang , ChiaWei Chu , Yu Li

Context is important for accurate visual recognition. In this work we propose an object detection algorithm that not only considers object visual appearance, but also makes use of two kinds of context including scene contextual information…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Yong Liu , Ruiping Wang , Shiguang Shan , Xilin Chen

Humans recognize the visual world at multiple levels: we effortlessly categorize scenes and detect objects inside, while also identifying the textures and surfaces of the objects along with their different compositional parts. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Tete Xiao , Yingcheng Liu , Bolei Zhou , Yuning Jiang , Jian Sun

With the increasing resolution of remote sensing imagery (RSI), large-size RSI has emerged as a vital data source for high-precision vector mapping of geographic objects. Existing methods are typically constrained to processing small image…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Yu Wang , Bo Dang , Wanchun Li , Wei Chen , Yansheng Li

In contrast to the well-established technique of rasterization, vectorization of images poses a significant challenge in the field of computer graphics. Recent learning-based methods for converting raster images to vector formats frequently…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Qi Bing , Chaoyi Zhang , Weidong Cai

Polygon representation learning is essential for diverse applications, encompassing tasks such as shape coding, building pattern classification, and geographic question answering. While recent years have seen considerable advancements in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Dazhou Yu , Yuntong Hu , Yun Li , Liang Zhao

We propose to jointly learn multi-view geometry and warping between views of the same object instances for robust cross-view object detection. What makes multi-view object instance detection difficult are strong changes in viewpoint,…

Machine Learning · Computer Science 2019-07-26 Ahmed Samy Nassar , Sebastien Lefevre , Jan D. Wegner

Image vectorization is a process to convert a raster image into a scalable vector graphic format. Objective is to effectively remove the pixelization effect while representing boundaries of image by scaleable parameterized curves. We…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Ho Law , Sung Ha Kang

We introduce a novel framework for learning vector representations of tree-structured geometric data focusing on 3D vascular networks. Our approach employs two sequentially trained Transformer-based autoencoders. In the first stage, the…

Image and Video Processing · Electrical Eng. & Systems 2025-06-16 James Batten , Michiel Schaap , Matthew Sinclair , Ying Bai , Ben Glocker

In recent years, significant progress has been made in both image generation and generated image detection. Despite their rapid, yet largely independent, development, these two fields have evolved distinct architectural paradigms: the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Yanran Zhang , Wenzhao Zheng , Yifei Li , Bingyao Yu , Yu Zheng , Lei Chen , Jiwen Lu , Jie Zhou

Three-dimensional feature extraction is a critical component of autonomous driving systems, where perception tasks such as 3D object detection, bird's-eye-view (BEV) semantic segmentation, and occupancy prediction serve as important…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zhongyu Xia , Zhiwei Lin , Yongtao Wang , Ming-Hsuan Yang

The Bird's-Eye-View (BEV) representation is a critical factor that directly impacts the 3D object detection performance, but the traditional BEV grid representation induces quadratic computational cost as the spatial resolution grows. To…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zhili Chen , Shuangjie Xu , Maosheng Ye , Zian Qian , Xiaoyi Zou , Dit-Yan Yeung , Qifeng Chen

In geospatial planning, it is often essential to represent objects in a vectorized format, as this format easily translates to downstream tasks such as web development, graphics, or design. While these problems are frequently addressed…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Maxim Khomiakov , Michael Riis Andersen , Jes Frellsen

Recent vision-language model (VLM)-based approaches have achieved impressive results on image vectorization tasks. However, they are typically evaluated on synthetic benchmarks, where clean SVGs are rasterized at high resolution and then…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Tarun Gehlaut , Difan Liu , Charu Bansal , Krutik Malani , Souymodip Chakraborty , Ankit Phogat , Matthew Fisher , Vineet Batra

Monocular 3D detection has drawn much attention from the community due to its low cost and setup simplicity. It takes an RGB image as input and predicts 3D boxes in the 3D space. The most challenging sub-task lies in the instance depth…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Liang Peng , Xiaopei Wu , Zheng Yang , Haifeng Liu , Deng Cai