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Learning-based Multi-View Stereo (MVS) methods aim to predict depth maps for a sequence of calibrated images to recover dense point clouds. However, existing MVS methods often struggle with challenging regions, such as textureless regions…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Jianfei Jiang , Qiankun Liu , Haochen Yu , Hongyuan Liu , Liyong Wang , Jiansheng Chen , Huimin Ma

Mutual information maximization has emerged as a powerful learning objective for unsupervised representation learning obtaining state-of-the-art performance in applications such as object recognition, speech recognition, and reinforcement…

Machine Learning · Computer Science 2019-03-29 Sherjil Ozair , Corey Lynch , Yoshua Bengio , Aaron van den Oord , Sergey Levine , Pierre Sermanet

We focus on tackling weakly supervised semantic segmentation with scribble-level annotation. The regularized loss has been proven to be an effective solution for this task. However, most existing regularized losses only leverage static…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Bingfeng Zhang , Jimin Xiao , Yao Zhao

Nowadays, deep learning is the standard approach for a wide range of problems, including biometrics, such as face recognition and speech recognition, etc. Biometric problems often use deep learning models to extract features from images,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-14 Pedro Silva , Gladston Moreira , Vander Freitas , Rodrigo Silva , David Menotti , Eduardo Luz

Deep learning is regarded as a promising solution for reversible steganography. There is an accelerating trend of representing a reversible steo-system by monolithic neural networks, which bypass intermediate operations in traditional…

Multimedia · Computer Science 2023-03-08 Ching-Chun Chang , Xu Wang , Sisheng Chen , Isao Echizen , Victor Sanchez , Chang-Tsun Li

In model-based reinforcement learning, most algorithms rely on simulating trajectories from one-step models of the dynamics learned on data. A critical challenge of this approach is the compounding of one-step prediction errors as the…

Machine Learning · Computer Science 2024-02-06 Abdelhakim Benechehab , Albert Thomas , Giuseppe Paolo , Maurizio Filippone , Balázs Kégl

Recently, the Wasserstein loss function has been proven to be effective when applied to deterministic full-waveform inversion (FWI) problems. We consider the application of this loss function in Bayesian FWI so that the uncertainty can be…

Statistics Theory · Mathematics 2021-04-20 Matthew M. Dunlop , Yunan Yang

Finding accurate correspondences among different views is the Achilles' heel of unsupervised Multi-View Stereo (MVS). Existing methods are built upon the assumption that corresponding pixels share similar photometric features. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Di Chang , Aljaž Božič , Tong Zhang , Qingsong Yan , Yingcong Chen , Sabine Süsstrunk , Matthias Nießner

The Wasserstein distance received a lot of attention recently in the community of machine learning, especially for its principled way of comparing distributions. It has found numerous applications in several hard problems, such as domain…

Machine Learning · Statistics 2017-10-23 Nicolas Courty , Rémi Flamary , Mélanie Ducoffe

Optimal Transport has sparked vivid interest in recent years, in particular thanks to the Wasserstein distance, which provides a geometrically sensible and intuitive way of comparing probability measures. For computational reasons, the…

Machine Learning · Computer Science 2024-03-19 Eloi Tanguy

Bounded by the inherent ambiguity of depth perception, contemporary camera-based 3D object detection methods fall into the performance bottleneck. Intuitively, leveraging temporal multi-view stereo (MVS) technology is the natural knowledge…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Yinhao Li , Han Bao , Zheng Ge , Jinrong Yang , Jianjian Sun , Zeming Li

With the tremendous success of deep learning in visual tasks, the representations extracted from intermediate layers of learned models, that is, deep features, attract much attention of researchers. Previous empirical analysis shows that…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Qi Qian , Juhua Hu , Hao Li

Unsupervised monocular depth learning generally relies on the photometric relation among temporally adjacent images. Most of previous works use both mean absolute error (MAE) and structure similarity index measure (SSIM) with conventional…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Yijun Cao , Fuya Luo , Yongjie Li

Score Distillation Sampling (SDS) is a recent but already widely popular method that relies on an image diffusion model to control optimization problems using text prompts. In this paper, we conduct an in-depth analysis of the SDS loss…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Thiemo Alldieck , Nikos Kolotouros , Cristian Sminchisescu

Estimating the ratio of two probability densities from a finite number of observations is a central machine learning problem. A common approach is to construct estimators using binary classifiers that distinguish observations from the two…

Machine Learning · Computer Science 2025-01-28 Werner Zellinger

This paper reports a new continuous 3D loss function for learning depth from monocular images. The dense depth prediction from a monocular image is supervised using sparse LIDAR points, which enables us to leverage available open source…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Minghan Zhu , Maani Ghaffari , Yuanxin Zhong , Pingping Lu , Zhong Cao , Ryan M. Eustice , Huei Peng

Regression loss design is an essential topic for oriented object detection. Due to the periodicity of the angle and the ambiguity of width and height definition, traditional L1-distance loss and its variants have been suffered from the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Yuke Zhu , Yumeng Ruan , Zihua Xiong , Sheng Guo

Pair-wise loss functions have been extensively studied and shown to continuously improve the performance of deep metric learning (DML). However, they are primarily designed with intuition based on simple toy examples, and experimentally…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Haozhi Zhang , Xun Wang , Weilin Huang , Matthew R. Scott

This paper presents a cross-modal learning framework that exploits complementary information from depth and grayscale images for robust navigation. We introduce a Cross-Modal Wasserstein Autoencoder that learns shared latent representations…

Robotics · Computer Science 2026-03-24 Omkar Sawant , Luca Zanatta , Grzegorz Malczyk , Kostas Alexis

We introduce a learning-based depth map fusion framework that accepts a set of depth and confidence maps generated by a Multi-View Stereo (MVS) algorithm as input and improves them. This is accomplished by integrating volumetric visibility…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Nathaniel Burgdorfer , Philippos Mordohai