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Gravity inversion is the problem of estimating subsurface density distributions from observed gravitational field data. We consider the two-dimensional (2D) case, in which recovering density models from one-dimensional (1D) measurements…

The problem of cross-modality person re-identification has been receiving increasing attention recently, due to its practical significance. Motivated by the fact that human usually attend to the difference when they compare two similar…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Shizhou Zhang , Yifei Yang , Peng Wang , Guoqiang Liang , Xiuwei Zhang , Yanning Zhang

Cross-modal representation learning learns a shared embedding between two or more modalities to improve performance in a given task compared to using only one of the modalities. Cross-modal representation learning from different data types…

Machine Learning · Computer Science 2023-09-12 Felix Ott , David Rügamer , Lucas Heublein , Bernd Bischl , Christopher Mutschler

Learning discriminative shape representations is a crucial issue for large-scale 3D shape retrieval. In this paper, we propose the Collaborative Inner Product Loss (CIP Loss) to obtain ideal shape embedding that discriminative among…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Zhaoqun Li , Cheng Xu , Biao Leng

Visual-semantic embedding aims to find a shared latent space where related visual and textual instances are close to each other. Most current methods learn injective embedding functions that map an instance to a single point in the shared…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Yale Song , Mohammad Soleymani

Recent advances in RGBD-based category-level object pose estimation have been limited by their reliance on precise depth information, restricting their broader applicability. In response, RGB-based methods have been developed. Among these…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Zinqin Huang , Gu Wang , Chenyangguang Zhang , Ruida Zhang , Xiu Li , Xiangyang Ji

In depth-sensing applications ranging from home robotics to AR/VR, it will be common to acquire 3D scans of interior spaces repeatedly at sparse time intervals (e.g., as part of regular daily use). We propose an algorithm that analyzes…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Maciej Halber , Yifei Shi , Kai Xu , Thomas Funkhouser

Contrastive loss has been increasingly used in learning representations from multiple modalities. In the limit, the nature of the contrastive loss encourages modalities to exactly match each other in the latent space. Yet it remains an open…

Machine Learning · Computer Science 2023-03-13 Qian Jiang , Changyou Chen , Han Zhao , Liqun Chen , Qing Ping , Son Dinh Tran , Yi Xu , Belinda Zeng , Trishul Chilimbi

Accurate learning of system dynamics is becoming increasingly crucial for advanced control and decision-making in engineering. However, real-world systems often exhibit multiple channels and highly nonlinear transition dynamics, challenging…

Machine Learning · Statistics 2025-10-20 Tengjie Zheng , Jilan Mei , Di Wu , Lin Cheng , Shengping Gong

Few-shot learning is a challenging area of research that aims to learn new concepts with only a few labeled samples of data. Recent works based on metric-learning approaches leverage the meta-learning approach, which is encompassed by…

Although multi-view multi-label learning has been extensively studied, research on the dual-missing scenario, where both views and labels are incomplete, remains largely unexplored. Existing methods mainly rely on contrastive learning or…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Xu Yan , Jun Yin , Shiliang Sun , Minghua Wan

Mixture models with Gamma and or inverse-Gamma distributed mixture components are useful for medical image tissue segmentation or as post-hoc models for regression coefficients obtained from linear regression within a Generalised Linear…

Machine Learning · Statistics 2016-07-27 A. Llera , D. Vidaurre , R. H. R. Pruim , C. F. Beckmann

In the classical Gaussian SVM classification we use the feature space projection transforming points to normal distributions with fixed covariance matrices (identity in the standard RBF and the covariance of the whole dataset in Mahalanobis…

Machine Learning · Computer Science 2014-08-14 Wojciech Marian Czarnecki , Jacek Tabor

Object detection is an important computer vision task with plenty of real-world applications; therefore, how to enhance its robustness against adversarial attacks has emerged as a crucial issue. However, most of the previous defense methods…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Pin-Chun Chen , Bo-Han Kung , Jun-Cheng Chen

Real-world object detection is highly desired to be equipped with the learning expandability that can enlarge its detection classes incrementally. Moreover, such learning from only few annotated training samples further adds the flexibility…

Computer Vision and Pattern Recognition · Computer Science 2021-09-24 Yiting Li , Haiyue Zhu , Jun Ma , Chek Sing Teo , Cheng Xiang , Prahlad Vadakkepat , Tong Heng Lee

State-of-the-art deep learning algorithms generally require large amounts of data for model training. Lack thereof can severely deteriorate the performance, particularly in scenarios with fine-grained boundaries between categories. To this…

Computer Vision and Pattern Recognition · Computer Science 2018-06-15 Frederik Pahde , Patrick Jähnichen , Tassilo Klein , Moin Nabi

Cross-domain object detection is challenging, and it involves aligning labeled source and unlabeled target domains. Previous approaches have used adversarial training to align features at both image-level and instance-level. At the instance…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Onkar Krishna , Hiroki Ohashi , Saptarshi Sinha

This paper introduces and analyzes a search and retrieval model for RAG-like systems under {token} erasures. We provide an information-theoretic analysis of remote document retrieval when query representations are only partially preserved.…

Information Retrieval · Computer Science 2026-04-21 Sara Ghasvarianjahromi , Joshua Barr , Yauhen Yakimenka , Jörg Kliewer

Covariate shift occurs prevalently in practice, where the input distributions of the source and target data are substantially different. Despite its practical importance in various learning problems, most of the existing methods only focus…

Machine Learning · Statistics 2023-10-20 Xingdong Feng , Xin He , Caixing Wang , Chao Wang , Jingnan Zhang

Prevalent state-of-the-art instance segmentation methods fall into a query-based scheme, in which instance masks are derived by querying the image feature using a set of instance-aware embeddings. In this work, we devise a new training…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Wenguan Wang , James Liang , Dongfang Liu
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