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Recovering camera poses from a set of images is a foundational task in 3D computer vision, which powers key applications such as 3D scene/object reconstructions. Classic methods often depend on feature correspondence, such as keypoints,…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Hao Tang , Weiyao Wang , Pierre Gleize , Matt Feiszli

Stereo is a prominent technique to infer dense depth maps from images, and deep learning further pushed forward the state-of-the-art, making end-to-end architectures unrivaled when enough data is available for training. However, deep…

计算机视觉与模式识别 · 计算机科学 2019-05-27 Matteo Poggi , Davide Pallotti , Fabio Tosi , Stefano Mattoccia

Obtaining accurate depth measurements out of a single image represents a fascinating solution to 3D sensing. CNNs led to considerable improvements in this field, and recent trends replaced the need for ground-truth labels with…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Matteo Poggi , Fabio Tosi , Stefano Mattoccia

Self-supervised contrastive learning offers a means of learning informative features from a pool of unlabeled data. In this paper, we delve into another useful approach -- providing a way of selecting a core-set that is entirely unlabeled.…

机器学习 · 计算机科学 2021-04-08 Jeongwoo Ju , Heechul Jung , Yoonju Oh , Junmo Kim

Sequential recommendation addresses the issue of preference drift by predicting the next item based on the user's previous behaviors. Recently, a promising approach using contrastive learning has emerged, demonstrating its effectiveness in…

信息检索 · 计算机科学 2023-08-08 Dongjun Lee , Donggeun Ko , Jaekwang Kim

Distortion identification and rectification in images and videos is vital for achieving good performance in downstream vision applications. Instead of relying on fixed trial-and-error based image processing pipelines, we propose a two-level…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Aditya Kapoor , Harshad Khadilkar , Jayvardhana Gubbi

In recent years, supervised or unsupervised learning-based MVS methods achieved excellent performance compared with traditional methods. However, these methods only use the probability volume computed by cost volume regularization to…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Jingliang Li , Zhengda Lu , Yiqun Wang , Ying Wang , Jun Xiao

We formulate monocular depth estimation using denoising diffusion models, inspired by their recent successes in high fidelity image generation. To that end, we introduce innovations to address problems arising due to noisy, incomplete depth…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Saurabh Saxena , Abhishek Kar , Mohammad Norouzi , David J. Fleet

Low-light image enhancement remains a challenging problem due to severe noise, color distortion, contrast degradation, and loss of structural details under insufficient illumination. Existing methods typically apply uniform enhancement…

图像与视频处理 · 电气工程与系统科学 2026-05-19 Bibhabasu Debnath , Sahana Ray , Sanjay Ghosh

This paper presents a self-supervised feature learning method for hyperspectral image classification. Our method tries to construct two different views of the raw hyperspectral image through a cross-representation learning method. And then…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Anyu Zhang , Haotian Wu , Zeyu Cao

Multi-view feature extraction is an efficient approach for alleviating the issue of dimensionality in highdimensional multi-view data. Contrastive learning (CL), which is a popular self-supervised learning method, has recently attracted…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Hongjie Zhang

Feature extraction is an efficient approach for alleviating the issue of dimensionality in high-dimensional data. As a popular self-supervised learning method, contrastive learning has recently garnered considerable attention. In this…

机器学习 · 计算机科学 2021-09-14 Hongjie Zhang

Learning-based depth estimation has witnessed recent progress in multiple directions; from self-supervision using monocular video to supervised methods offering highest accuracy. Complementary to supervision, further boosts to performance…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Yannick Verdié , Jifei Song , Barnabé Mas , Benjamin Busam , Aleš Leonardis , Steven McDonagh

Given a similarity metric, contrastive methods learn a representation in which examples that are similar are pushed together and examples that are dissimilar are pulled apart. Contrastive learning techniques have been utilized extensively…

机器学习 · 计算机科学 2023-07-07 Emily Mu , John Guttag , Maggie Makar

Contrastive learning has become pivotal in unsupervised representation learning, with frameworks like Momentum Contrast (MoCo) effectively utilizing large negative sample sets to extract discriminative features. However, traditional…

机器学习 · 计算机科学 2025-01-29 Duy Hoang , Huy Ngo , Khoi Pham , Tri Nguyen , Gia Bao , Huy Phan

Building upon the recent progress in novel view synthesis, we propose its application to improve monocular depth estimation. In particular, we propose a novel training method split in three main steps. First, the prediction results of a…

计算机视觉与模式识别 · 计算机科学 2021-12-24 Zuria Bauer , Zuoyue Li , Sergio Orts-Escolano , Miguel Cazorla , Marc Pollefeys , Martin R. Oswald

We propose a novel stereo-confidence that can be measured externally to various stereo-matching networks, offering an alternative input modality choice of the cost volume for learning-based approaches, especially in safety-critical systems.…

计算机视觉与模式识别 · 计算机科学 2024-01-24 Jae Young Lee , Woonghyun Ka , Jaehyun Choi , Junmo Kim

Dense image matching aims to find a correspondent for every pixel of a source image in a partially overlapping target image. State-of-the-art methods typically rely on a coarse-to-fine mechanism where a single correspondent hypothesis is…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Matthieu Vilain , Rémi Giraud , Yannick Berthoumieu , Guillaume Bourmaud

At present, deep learning has been applied more and more in monocular image depth estimation and has shown promising results. The current more ideal method for monocular depth estimation is the supervised learning based on ground truth…

计算机视觉与模式识别 · 计算机科学 2019-01-01 Zhimin Zhang , Jianzhong Qiao , Shukuan Lin

Depth estimation, as a necessary clue to convert 2D images into the 3D space, has been applied in many machine vision areas. However, to achieve an entire surrounding 360-degree geometric sensing, traditional stereo matching algorithms for…

计算机视觉与模式识别 · 计算机科学 2021-09-22 Keyang Zhou , Kailun Yang , Kaiwei Wang