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Both self-supervised depth estimation and Structure-from-Motion (SfM) recover scene depth from RGB videos. Despite sharing a similar objective, the two approaches are disconnected. Prior works of self-supervision backpropagate losses…

计算机视觉与模式识别 · 计算机科学 2024-08-08 Shengjie Zhu , Xiaoming Liu

Structure from Motion (SfM) and visual localization in indoor texture-less scenes and industrial scenarios present prevalent yet challenging research topics. Existing SfM methods designed for natural scenes typically yield low accuracy or…

机器人学 · 计算机科学 2024-05-28 Yusen Xie , Zhenmin Huang , Kai Chen , Lei Zhu , Jun Ma

State Space Models (SSMs), especially recent Mamba architecture, have achieved remarkable success in sequence modeling tasks. However, extending SSMs to computer vision remains challenging due to the non-sequential structure of visual data…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Puskal Khadka , KC Santosh

Network embedding, a graph representation learning method illustrating network topology by mapping nodes into lower-dimension vectors, is challenging to accommodate the ever-changing dynamic graphs in practice. Existing research is mainly…

社会与信息网络 · 计算机科学 2023-06-16 Haoran Deng , Yang Yang , Jiahe Li , Haoyang Cai , Shiliang Pu , Weihao Jiang

In this paper, we introduce NBNet, a novel framework for image denoising. Unlike previous works, we propose to tackle this challenging problem from a new perspective: noise reduction by image-adaptive projection. Specifically, we propose to…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Shen Cheng , Yuzhi Wang , Haibin Huang , Donghao Liu , Haoqiang Fan , Shuaicheng Liu

We discuss a method of parameter reduction in complex models known as the Manifold Boundary Approximation Method (MBAM). This approach, based on a geometric interpretation of statistics, maps the model reduction problem to a geometric…

数据分析、统计与概率 · 物理学 2016-05-30 Mark K. Transtrum

Visual simultaneous localization and mapping (VSLAM) has broad applications, with state-of-the-art methods leveraging deep neural networks for better robustness and applicability. However, there is a lack of research in fusing these…

机器人学 · 计算机科学 2024-03-21 Yuxuan Zhou , Xingxing Li , Shengyu Li , Xuanbin Wang , Shaoquan Feng , Yuxuan Tan

Depth map super-resolution technology aims to improve the spatial resolution of low-resolution depth maps and effectively restore high-frequency detail information. Traditional convolutional neural network has limitations in dealing with…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Chenggang Guo , Hao Xu , XianMing Wan

Scene regression methods, such as VGGT, solve the Structure-from-Motion (SfM) problem by directly regressing camera poses and 3D scene structures from input images. They demonstrate impressive performance in handling images under extreme…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Junyuan Deng , Heng Li , Tao Xie , Weiqiang Ren , Qian Zhang , Ping Tan , Xiaoyang Guo

Object detection in unmanned aerial vehicle (UAV) images remains a highly challenging task, primarily caused by the complexity of background noise and the imbalance of target scales. Traditional methods easily struggle to effectively…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Wenfeng Zhang , Jun Ni , Yue Meng , Xiaodong Pei , Wei Hu , Qibing Qin , Lei Huang

Multimodal image fusion aims to integrate information from different imaging techniques to produce a comprehensive, detail-rich single image for downstream vision tasks. Existing methods based on local convolutional neural networks (CNNs)…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Xinyu Xie , Yawen Cui , Tao Tan , Xubin Zheng , Zitong Yu

Almost every single image restoration problem has a closely related parameter, such as the scale factor in super-resolution, the noise level in image denoising, and the quality factor in JPEG deblocking. Although recent studies on image…

图像与视频处理 · 电气工程与系统科学 2021-11-02 Fangzhou Luo , Xiaolin Wu , Yanhui Guo

Shape from Focus (SFF) is a depth reconstruction technique that estimates scene structure from focus variations observed across a focal stack, that is, a sequence of images captured at different focus settings. A key limitation of SFF…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Khurram Ashfaq , Muhammad Tariq Mahmood

The advancement of machine learning algorithms has opened a wide scope for vibration-based SHM (Structural Health Monitoring). Vibration-based SHM is based on the fact that damage will alter the dynamic properties viz., structural response,…

机器学习 · 计算机科学 2019-08-20 Rahul Vashisht , H. Viji , T. Sundararajan , D. Mohankumar , S. Sumitra

Low-light image enhancement remains a persistent challenge in computer vision, where state-of-the-art models are often hampered by hardware constraints and computational inefficiency, particularly at high resolutions. While foundational…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Eashan Adhikarla , Kai Zhang , Gong Chen , John Nicholson , Brian D. Davison

Deep networks can learn to accurately recognize objects of a category by training on a large number of annotated images. However, a meta-learning challenge known as a low-shot image recognition task comes when only a few images with…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Mengting Chen , Xinggang Wang , Heng Luo , Yifeng Geng , Wenyu Liu

Direct methods have shown promise on visual odometry and SLAM, leading to greater accuracy and robustness over feature-based methods. However, offline 3-d reconstruction from internet images has not yet benefited from a joint, photometric…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Oliver J. Woodford , Edward Rosten

Many imaging problems can be formulated as mapping problems. A general mapping problem aims to obtain an optimal mapping that minimizes an energy functional subject to the given constraints. Existing methods to solve the mapping problems…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Qiguang Chen , Zhiwen Li , Lok Ming Lui

Single image dehazing is the ill-posed two-dimensional signal reconstruction problem. Recently, deep convolutional neural networks (CNN) have been successfully used in many computer vision problems. In this paper, we propose a Y-net that is…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Hao-Hsiang Yang , Chao-Han Huck Yang , Yi-Chang James Tsai

The past decade has witnessed significant progress on detecting objects in aerial images that are often distributed with large scale variations and arbitrary orientations. However most of existing methods rely on heuristically defined…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Jiaming Han , Jian Ding , Jie Li , Gui-Song Xia