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This paper addresses the task of semantic segmentation in computer vision, aiming to achieve precise pixel-wise classification. We investigate the joint training of models for semantic edge detection and semantic segmentation, which has…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Dan Zhang , Rui Zheng , Luosang Gadeng , Pei Yang

Convolutional Neural Networks (CNN) are successfully used for various visual perception tasks including bounding box object detection, semantic segmentation, optical flow, depth estimation and visual SLAM. Generally these tasks are…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Ganesh Sistu , Isabelle Leang , Senthil Yogamani

Scene parsing is a great challenge for real-time semantic segmentation. Although traditional semantic segmentation networks have made remarkable leap-forwards in semantic accuracy, the performance of inference speed is unsatisfactory.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Zhengbin Zhang , Zhenhao Xu , Xingsheng Gu , Juan Xiong

We present the novel Efficient Line Segment Detector and Descriptor (ELSD) to simultaneously detect line segments and extract their descriptors in an image. Unlike the traditional pipelines that conduct detection and description separately,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Haotian Zhang , Yicheng Luo , Fangbo Qin , Yijia He , Xiao Liu

All-in-one image restoration aims to handle diverse degradations within a single model. However, existing methods often suffer from three key limitations: 1) per-input computational overhead from dynamic degradation estimation; 2)…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Ao Li , Xiaoning Liu , Sheng Li , Yapeng Du , Zhen Long , Lei Luo , Le Zhang , Ce Zhu

Point cloud based retrieval for place recognition is still a challenging problem due to drastic appearance and illumination changes of scenes in changing environments. Existing deep learning based global descriptors for the retrieval task…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Le Hui , Mingmei Cheng , Jin Xie , Jian Yang

The need for fine-grained perception in autonomous driving systems has resulted in recently increased research on online semantic segmentation of single-scan LiDAR. Despite the emerging datasets and technological advancements, it remains…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Yang Zhang , Zixiang Zhou , Philip David , Xiangyu Yue , Zerong Xi , Boqing Gong , Hassan Foroosh

This paper proposes a new end-to-end trainable matching network based on receptive field, RF-Net, to compute sparse correspondence between images. Building end-to-end trainable matching framework is desirable and challenging. The very…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Xuelun Shen , Cheng Wang , Xin Li , Zenglei Yu , Jonathan Li , Chenglu Wen , Ming Cheng , Zijian He

Existing Active SLAM methodologies face issues such as slow exploration speed and suboptimal paths. To address these limitations, we propose a hybrid framework combining a Path-Uncertainty Co-Optimization Deep Reinforcement Learning…

Robotics · Computer Science 2025-12-11 Yizhen Yin , Dapeng Feng , Hongbo Chen , Yuhua Qi

We present PPFNet - Point Pair Feature NETwork for deeply learning a globally informed 3D local feature descriptor to find correspondences in unorganized point clouds. PPFNet learns local descriptors on pure geometry and is highly aware of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-05 Haowen Deng , Tolga Birdal , Slobodan Ilic

Vision-Language Navigation (VLN) systems are fundamentally constrained by partial observability, as an agent can only accumulate knowledge from locations it has personally visited. As multiple robots increasingly coexist in shared…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Qunchao Jin , Yiliao Song , Qi Wu

As powerful pre-trained vision-language models (VLMs) like CLIP gain prominence, numerous studies have attempted to combine VLMs for downstream tasks. Among these, prompt learning has been validated as an effective method for adapting to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Yu Du , Tong Niu , Rong Zhao

The challenging task of 3D planar reconstruction from images involves several sub-tasks including frame-wise plane detection, segmentation, parameter regression and possibly depth prediction, along with cross-frame plane correspondence and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Jingjia Shi , Shuaifeng Zhi , Kai Xu

Being capable of estimating the pose of uncooperative objects in space has been proposed as a key asset for enabling safe close-proximity operations such as space rendezvous, in-orbit servicing and active debris removal. Usual approaches…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Albert Garcia , Mohamed Adel Musallam , Vincent Gaudilliere , Enjie Ghorbel , Kassem Al Ismaeil , Marcos Perez , Djamila Aouada

Small object detection in aerial images suffers from severe information degradation during feature extraction due to limited pixel representations, where shallow spatial details fail to align effectively with semantic information, leading…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 PeiHuang Zheng , Yunlong Zhao , Zheng Cui , Yang Li

Optical imaging systems are inherently limited in their resolution due to the point spread function (PSF), which applies a static, yet spatially-varying, convolution to the image. This degradation can be addressed via Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Sunny Howard , Peter Norreys , Andreas Döpp

Traditionally, deriving aerodynamic parameters for an airfoil via Computational Fluid Dynamics requires significant time and effort. However, recent approaches employ neural networks to replace this process, it still grapples with…

Fluid Dynamics · Physics 2024-03-25 Zemin Cai , Zhengyuan Fan , Tianshu Liu

Extracting and binding salient information from different sensory modalities to determine common features in the environment is a significant challenge in robotics. Here we present MuPNet (Multi-modal Predictive Coding Network), a…

Weakly-Supervised Semantic Segmentation (WSSS) aims to train segmentation models using image data with only image-level supervision. Since precise pixel-level annotations are not accessible, existing methods typically focus on producing…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Ci-Siang Lin , Chien-Yi Wang , Yu-Chiang Frank Wang , Min-Hung Chen

In this paper, we propose a learning-based image fragment pair-searching and -matching approach to solve the challenging restoration problem. Existing works use rule-based methods to match similar contour shapes or textures, which are…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Rixin Zhou , Ding Xia , Yi Zhang , Honglin Pang , Xi Yang , Chuntao Li