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相关论文: PointFlow: Flowing Semantics Through Points for Ae…

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Rectified flow models have become a de facto standard in image generation due to their stable sampling trajectories and high-fidelity outputs. Despite their strong generative capabilities, they face critical limitations in image editing…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Sung-Hoon Yoon , Minghan Li , Gaspard Beaudouin , Congcong Wen , Muhammad Rafay Azhar , Mengyu Wang

Point cloud stands as the most widely adopted format for representing 3D shapes and scenes due to its simplicity and geometric fidelity. However, its inherent unordered and irregular nature, exacerbated by sensor noise and occlusions,…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Minhas Kamal , Hiranya Garbha Kumar , Balakrishnan Prabhakaran

Deep learning within the context of point clouds has gained much research interest in recent years mostly due to the promising results that have been achieved on a number of challenging benchmarks, such as 3D shape recognition and scene…

计算机视觉与模式识别 · 计算机科学 2018-12-06 Ye Zhu , Sven Ewan Shepstone , Pablo Martínez-Nuevo , Miklas Strøm Kristoffersen , Fabien Moutarde , Zhuang Fu

Humans use UAVs to monitor changes in forest environments since they are lightweight and provide a large variety of surveillance data. However, their information does not present enough details for understanding the scene which is needed to…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Bianca-Cerasela-Zelia Blaga , Sergiu Nedevschi

Scene parsing from images is a fundamental yet challenging problem in visual content understanding. In this dense prediction task, the parsing model assigns every pixel to a categorical label, which requires the contextual information of…

计算机视觉与模式识别 · 计算机科学 2020-11-06 Litao Yu , Yongsheng Gao , Jun Zhou , Jian Zhang , Qiang Wu

Deep learning approaches have made tremendous progress in the field of semantic segmentation over the past few years. However, most current approaches operate in the 2D image space. Direct semantic segmentation of unstructured 3D point…

计算机视觉与模式识别 · 计算机科学 2019-12-20 Francis Engelmann , Theodora Kontogianni , Alexander Hermans , Bastian Leibe

Two factors have proven to be very important to the performance of semantic segmentation models: global context and multi-level semantics. However, generating features that capture both factors always leads to high computational complexity,…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Qi Song , Kangfu Mei , Rui Huang

Modern high-performance semantic segmentation methods employ a heavy backbone and dilated convolution to extract the relevant feature. Although extracting features with both contextual and semantic information is critical for the…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Mohammed A. M. Elhassan , Chenhui Yang , Chenxi Huang , Tewodros Legesse Munea , Xin Hong , Abuzar B. M. Adam , Amina Benabid

We address the problem of semantic correspondence, that is, establishing a dense flow field between images depicting different instances of the same object or scene category. We propose to use images annotated with binary foreground masks…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Junghyup Lee , Dohyung Kim , Wonkyung Lee , Jean Ponce , Bumsub Ham

Instance segmentation is a challenging task aiming at classifying and segmenting all object instances of specific classes. While two-stage box-based methods achieve top performances in the image domain, they cannot easily extend their…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Xiang Li , Jinglu Wang , Xiao Li , Yan Lu

Existing fully-supervised point cloud segmentation methods suffer in the dynamic testing environment with emerging new classes. Few-shot point cloud segmentation algorithms address this problem by learning to adapt to new classes at the…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Yating Xu , Conghui Hu , Na Zhao , Gim Hee Lee

Text-based image segmentation aims to delineate object boundaries within an image from text prompts, offering higher flexibility and broader application scope compared to traditional fixed-category segmentation tasks. Recent studies have…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Zishen Qu , Xuesong Li , Haijian Gu , Hongwei Kang , Quan Meng , Tianrui Niu , Xin Yang , Ruidong Pan

3D point clouds are rich in geometric structure information, while 2D images contain important and continuous texture information. Combining 2D information to achieve better 3D semantic segmentation has become mainstream in 3D scene…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Chaolong Yang , Yuyao Yan , Weiguang Zhao , Jianan Ye , Xi Yang , Amir Hussain , Kaizhu Huang

Diffusion models have demonstrated excellent performance in image generation. Although various few-shot semantic segmentation (FSS) models with different network structures have been proposed, performance improvement has reached a…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Weimin Tan , Siyuan Chen , Bo Yan

Traditionally, training neural networks to perform semantic segmentation required expensive human-made annotations. But more recently, advances in the field of unsupervised learning have made significant progress on this issue and towards…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Leon Sick , Dominik Engel , Pedro Hermosilla , Timo Ropinski

Existing semantic segmentation approaches either aim to improve the object's inner consistency by modeling the global context, or refine objects detail along their boundaries by multi-scale feature fusion. In this paper, a new paradigm for…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Xiangtai Li , Xia Li , Li Zhang , Guangliang Cheng , Jianping Shi , Zhouchen Lin , Shaohua Tan , Yunhai Tong

Environmental perception systems are crucial for high-precision mapping and autonomous navigation, with LiDAR serving as a core sensor providing accurate 3D point cloud data. Efficiently processing unstructured point clouds while extracting…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Chuang Chen , Yi Lin , Bo Wang , Jing Hu , Xi Wu , Wenyi Ge

As a common method in the field of computer vision, spatial attention mechanism has been widely used in semantic segmentation of remote sensing images due to its outstanding long-range dependency modeling capability. However, remote sensing…

图像与视频处理 · 电气工程与系统科学 2025-01-24 Xiaowen Ma , Rongrong Lian , Zhenkai Wu , Renxiang Guan , Tingfeng Hong , Mengjiao Zhao , Mengting Ma , Jiangtao Nie , Zhenhong Du , Siyang Song , Wei Zhang

Due to the few annotated labels of 3D point clouds, how to learn discriminative features of point clouds to segment object instances is a challenging problem. In this paper, we propose a simple yet effective 3D instance segmentation…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Linghua Tang , Le Hui , Jin Xie

Segmenting salient objects in an image is an important vision task with ubiquitous applications. The problem becomes more challenging in the presence of a cluttered and textured background, low resolution and/or low contrast images. Even…

计算机视觉与模式识别 · 计算机科学 2019-05-29 Anuj Pahuja , Avishek Majumder , Anirban Chakraborty , R. Venkatesh Babu