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We propose a fast, accurate matching method for estimating dense pixel correspondences across scenes. It is a challenging problem to estimate dense pixel correspondences between images depicting different scenes or instances of the same…

计算机视觉与模式识别 · 计算机科学 2015-04-24 Chao Zhang , Chunhua Shen , Tingzhi Shen

Exiting deep-learning based dense stereo matching methods often rely on ground-truth disparity maps as the training signals, which are however not always available in many situations. In this paper, we design a simple convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Yiran Zhong , Yuchao Dai , Hongdong Li

Multi-view stereo (MVS) reconstruction is essential for creating 3D models. The approach involves applying epipolar rectification followed by dense matching for disparity estimation. However, existing approaches face challenges in applying…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Mostafa Elhashash , Rongjun Qin

There has recently been great interest in neural rendering methods. Some approaches use 3D geometry reconstructed with Multi-View Stereo (MVS) but cannot recover from the errors of this process, while others directly learn a volumetric…

计算机视觉与模式识别 · 计算机科学 2021-09-09 Georgios Kopanas , Julien Philip , Thomas Leimkühler , George Drettakis

We propose a non-learning depth completion method for a sparse depth map captured using a light detection and ranging (LiDAR) sensor guided by a pair of stereo images. Generally, conventional stereo-aided depth completion methods have two…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Yasuhiro Yao , Ryoichi Ishikawa , Shingo Ando , Kana Kurata , Naoki Ito , Jun Shimamura , Takeshi Oishi

The acquisition conditions for low-dose and high-dose CT images are usually different, so that the shifts in the CT numbers often occur. Accordingly, unsupervised deep learning-based approaches, which learn the target image distribution,…

图像与视频处理 · 电气工程与系统科学 2022-07-15 Chanyong Jung , Joonhyung Lee , Sunkyoung You , Jong Chul Ye

Visual-Semantic Embedding (VSE) aims to learn an embedding space where related visual and semantic instances are close to each other. Recent VSE models tend to design complex structures to pool visual and semantic features into fixed-length…

多媒体 · 计算机科学 2022-10-06 Zijian Zhang , Chang Shu , Ya Xiao , Yuan Shen , Di Zhu , Jing Xiao , Youxin Chen , Jey Han Lau , Qian Zhang , Zheng Lu

Deep learning-based multi-view stereo has emerged as a powerful paradigm for reconstructing the complete geometrically-detailed objects from multi-views. Most of the existing approaches only estimate the pixel-wise depth value by minimizing…

计算机视觉与模式识别 · 计算机科学 2023-04-28 Yisu Zhang , Jianke Zhu , Lixiang Lin

Audio-Visual Segmentation (AVS) aims to identify, at the pixel level, the object in a visual scene that produces a given sound. Current AVS methods rely on costly fine-grained annotations of mask-audio pairs, making them impractical for…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Swapnil Bhosale , Haosen Yang , Diptesh Kanojia , Jiangkang Deng , Xiatian Zhu

Human pose and shape estimation from RGB images is a highly sought after alternative to marker-based motion capture, which is laborious, requires expensive equipment, and constrains capture to laboratory environments. Monocular vision-based…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Soyong Shin , Eni Halilaj

Deep metric learning for vision is trained by optimizing a representation network to map (non-)matching image pairs to (non-)similar representations. During testing, which typically corresponds to image retrieval, both database and query…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Pavel Suma , Giorgos Tolias

Pretrained vision-language models (VLMs), such as CLIP, have shown remarkable potential in few-shot image classification and led to numerous effective transfer learning strategies. These methods leverage the pretrained knowledge of VLMs to…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Dexia Chen , Qianjie Zhu , Weibing Li , Yue Yu , Tong Zhang , Ruixuan Wang

Integration of aerial and ground images has been proved as an efficient approach to enhance the surface reconstruction in urban environments. However, as the first step, the feature point matching between aerial and ground images is…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Qing Zhu , Zhendong Wang , Han Hu , Linfu Xie , Xuming Ge , Yeting Zhang

Recent methods, such as 2D Gaussian Splatting and Gaussian Opacity Fields, have aimed to address the geometric inaccuracies of 3D Gaussian Splatting while retaining its superior rendering quality. However, these approaches still struggle to…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Jungeon Kim , Geonsoo Park , Seungyong Lee

Convolutional neural networks for visual recognition require large amounts of training samples and usually benefit from data augmentation. This paper proposes PatchMix, a data augmentation method that creates new samples by composing…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Paola Cascante-Bonilla , Arshdeep Sekhon , Yanjun Qi , Vicente Ordonez

Multi-view Stereo (MVS) with known camera parameters is essentially a 1D search problem within a valid depth range. Recent deep learning-based MVS methods typically densely sample depth hypotheses in the depth range, and then construct…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Zhenxing Mi , Di Chang , Dan Xu

In this work, we present a novel non-rigid shape matching framework based on multi-resolution functional maps with spectral attention. Existing functional map learning methods all rely on the critical choice of the spectral resolution…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Lei Li , Nicolas Donati , Maks Ovsjanikov

Successful visual navigation depends upon capturing images that contain sufficient useful information. In this letter, we explore a data-driven approach to account for environmental lighting changes, improving the quality of images for use…

机器人学 · 计算机科学 2022-07-12 Justin Tomasi , Brandon Wagstaff , Steven L. Waslander , Jonathan Kelly

Visual localization is the task of estimating camera pose in a known scene, which is an essential problem in robotics and computer vision. However, long-term visual localization is still a challenge due to the environmental appearance…

机器人学 · 计算机科学 2022-12-02 Yuxuan Chen , Timothy D. Barfoot

This work proposes a new method for real-time dense 3d reconstruction for common 360{\deg} action cams, which can be mounted on small scouting UAVs during USAR missions. The proposed method extends a feature based Visual monocular SLAM…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Hartmut Surmann , Marc Thurow , Dominik Slomma