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Deep metric learning (DML) is a popular approach for images retrieval, solving verification (same or not) problems and addressing open set classification. Arguably, the most common DML approach is with triplet loss, despite significant…

机器学习 · 计算机科学 2019-12-02 Istvan Fehervari , Avinash Ravichandran , Srikar Appalaraju

This paper introduces a new loss function, OSM (One-Sided Margin), to solve maximum-margin classification problems effectively. Unlike the hinge loss, in OSM the margin is explicitly determined with corresponding hyperparameters and then…

机器学习 · 计算机科学 2022-06-03 Ali Karimi , Zahra Mousavi Kouzehkanan , Reshad Hosseini , Hadi Asheri

Fueled by deep learning, computer-aided diagnosis achieves huge advances. However, out of controlled lab environments, algorithms could face multiple challenges. Open set recognition (OSR), as an important one, states that categories unseen…

计算机视觉与模式识别 · 计算机科学 2023-07-24 Mingyuan Liu , Lu Xu , Jicong Zhang

Deep metric learning (DML) aims to learn a discriminative high-dimensional embedding space for downstream tasks like classification, clustering, and retrieval. Prior literature predominantly focuses on pair-based and proxy-based methods to…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Xiruo Jiang , Yazhou Yao , Xili Dai , Fumin Shen , Xian-Sheng Hua , Heng-Tao Shen

Deep distance metric learning (DDML), which is proposed to learn image similarity metrics in an end-to-end manner based on the convolution neural network, has achieved encouraging results in many computer vision tasks.$L2$-normalization in…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Xuefei Zhe , Shifeng Chen , Hong Yan

The remarkable performance of deep neural networks (DNNs) currently makes them the method of choice for solving linear inverse problems. They have been applied to super-resolve and restore images, as well as to reconstruct MR and CT images.…

图像与视频处理 · 电气工程与系统科学 2021-06-01 Marija Vella , João F. C. Mota

Deep Metric Learning (DML) methods aim at learning an embedding space in which distances are closely related to the inherent semantic similarity of the inputs. Previous studies have shown that popular benchmark datasets often contain…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Oriol Barbany , Xiaofan Lin , Muhammet Bastan , Arnab Dhua

Out-of-distribution (OOD) detection remains a critical challenge in open-world learning, where models must adapt to evolving data distributions. While recent vision-language models (VLMS) like CLIP enable multimodal OOD detection through…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Aditi Naiknaware , Salimeh Sekeh

Distance metric learning (DML) has been studied extensively in the past decades for its superior performance with distance-based algorithms. Most of the existing methods propose to learn a distance metric with pairwise or triplet…

机器学习 · 计算机科学 2019-05-23 Qi Qian , Jiasheng Tang , Hao Li , Shenghuo Zhu , Rong Jin

Large language models (LLMs) can generate programs that pass unit tests, but passing tests does not guarantee reliable runtime behavior. We find that different correct solutions to the same task can show very different memory and…

Face recognition has achieved great progress owing to the fast development of the deep neural network in the past a few years. As an important part of deep neural networks, a number of the loss functions have been proposed which…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Xin Wei , Hui Wang , Bryan Scotney , Huan Wan

Deep Metric Learning (DML) aims to find representations suitable for zero-shot transfer to a priori unknown test distributions. However, common evaluation protocols only test a single, fixed data split in which train and test classes are…

机器学习 · 计算机科学 2021-11-30 Timo Milbich , Karsten Roth , Samarth Sinha , Ludwig Schmidt , Marzyeh Ghassemi , Björn Ommer

Distance metric learning (DML) is a critical factor for image analysis and pattern recognition. To learn a robust distance metric for a target task, we need abundant side information (i.e., the similarity/dissimilarity pairwise constraints…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Yong Luo , Tongliang Liu , Dacheng Tao , Chao Xu

Deep Metric Learning (DML) aims to learn embedding functions that map semantically similar inputs to proximate points in a metric space while separating dissimilar ones. Existing methods, such as pairwise losses, are hindered by complex…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Pedro Silva , Guilherme A. L. Silva , Pablo Coelho , Vander Freitas , Gladston Moreira , David Menotii , Eduardo Luz

Loss functions and sample mining strategies are essential components in deep metric learning algorithms. However, the existing loss function or mining strategy often necessitate the incorporation of additional hyperparameters, notably the…

多媒体 · 计算机科学 2024-05-01 Xiruo Jiang , Yazhou Yao , Sheng Liu , Fumin Shen , Liqiang Nie , Xiansheng Hua

Timing synchronization (TS) is one of the key tasks in orthogonal frequency division multiplexing (OFDM) systems. However, multi-path uncertainty corrupts the TS correctness, making OFDM systems suffer from a severe…

信号处理 · 电气工程与系统科学 2023-07-04 Chaojin Qing , Na Yang , Shuhai Tang , Chuangui Rao , Jiafan Wang , Hui Lin

Objective functions that optimize deep neural networks play a vital role in creating an enhanced feature representation of the input data. Although cross-entropy-based loss formulations have been extensively used in a variety of supervised…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Deen Dayal Mohan , Bhavin Jawade , Srirangaraj Setlur , Venu Govindaraj

Deep Metric Learning (DML) learns a non-linear semantic embedding from input data that brings similar pairs together while keeping dissimilar data away from each other. To this end, many different methods are proposed in the last decade…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Davood Zabihzadeh , Zahraa Alitbi , Seyed Jalaleddin Mousavirad

Conventional training for optical flow and stereo depth models typically employs a uniform loss function across all pixels. However, this one-size-fits-all approach often overlooks the significant variations in learning difficulty among…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Jisoo Jeong , Hong Cai , Jamie Menjay Lin , Fatih Porikli

Consistency Models (CM) (Song et al., 2023) accelerate score-based diffusion model sampling at the cost of sample quality but lack a natural way to trade-off quality for speed. To address this limitation, we propose Consistency Trajectory…

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