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Deep metric learning objectives (e.g., triplet loss) require storing and comparing high-dimensional embeddings, making the per-batch loss buffer scale as $O(S\cdot D)$, where $S$ is the number of samples in a batch and $D$ is the feature…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Alif Elham Khan , Mohammad Junayed Hasan , Humayra Anjum , Nabeel Mohammed

In this paper, we introduce a novel self-supervised learning (SSL) loss for image representation learning. There is a growing belief that generalization in deep neural networks is linked to their ability to discriminate object shapes. Since…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Sepehr Sameni , Simon Jenni , Paolo Favaro

Contrastive self-supervised learning (SSL) learns an embedding space that maps similar data pairs closer and dissimilar data pairs farther apart. Despite its success, one issue has been overlooked: the fairness aspect of representations…

Compared to supervised learning, semi-supervised learning reduces the dependence of deep learning on a large number of labeled samples. In this work, we use a small number of labeled samples and perform data augmentation on unlabeled…

机器学习 · 计算机科学 2020-01-14 Qiuyu Zhu , Tiantian Li

Learning-based multi-view stereo (MVS) methods have made impressive progress and surpassed traditional methods in recent years. However, their accuracy and completeness are still struggling. In this paper, we propose a new method to enhance…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Yikang Ding , Zhenyang Li , Dihe Huang , Zhiheng Li , Kai Zhang

Self-Supervised Learning (SSL) surmises that inputs and pairwise positive relationships are enough to learn meaningful representations. Although SSL has recently reached a milestone: outperforming supervised methods in many modalities\dots…

机器学习 · 计算机科学 2022-06-13 Randall Balestriero , Yann LeCun

Robust frame-wise embeddings are essential to perform video analysis and understanding tasks. We present a self-supervised method for representation learning based on aligning temporal video sequences. Our framework uses a transformer-based…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Keyne Oei , Amr Gomaa , Anna Maria Feit , João Belo

Deep neural networks have achieved remarkable performance on a range of classification tasks, with softmax cross-entropy (CE) loss emerging as the de-facto objective function. The CE loss encourages features of a class to have a higher…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Kanchana Ranasinghe , Muzammal Naseer , Munawar Hayat , Salman Khan , Fahad Shahbaz Khan

Semi-supervised object detection (SSOD) aims to facilitate the training and deployment of object detectors with the help of a large amount of unlabeled data. Though various self-training based and consistency-regularization based SSOD…

计算机视觉与模式识别 · 计算机科学 2022-04-18 Binghui Chen , Pengyu Li , Xiang Chen , Biao Wang , Lei Zhang , Xian-Sheng Hua

Learning invariant representations is a critical first step in a number of machine learning tasks. A common approach corresponds to the so-called information bottleneck principle in which an application dependent function of mutual…

机器学习 · 计算机科学 2021-02-17 Aditya Kumar Akash , Vishnu Suresh Lokhande , Sathya N. Ravi , Vikas Singh

In this paper, we propose a novel framework for speech-image retrieval. We utilize speech-image contrastive (SIC) learning tasks to align speech and image representations at a coarse level and speech-image matching (SIM) learning tasks to…

计算与语言 · 计算机科学 2024-09-12 Lifeng Zhou , Yuke Li

Recent breakthroughs in the field of semi-supervised learning have achieved results that match state-of-the-art traditional supervised learning methods. Most successful semi-supervised learning approaches in computer vision focus on…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Khoi Nguyen , Yen Nguyen , Bao Le

We present a self-supervised learning (SSL) method suitable for semi-global tasks such as object detection and semantic segmentation. We enforce local consistency between self-learned features, representing corresponding image locations of…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Ashraful Islam , Ben Lundell , Harpreet Sawhney , Sudipta Sinha , Peter Morales , Richard J. Radke

Integrating supervised contrastive loss to cross entropy-based communication has recently been proposed as a solution to address the long-tail learning problem. However, when the class imbalance ratio is high, it requires adjusting the…

机器学习 · 计算机科学 2024-07-10 Charika De Alvis , Dishanika Denipitiyage , Suranga Seneviratne

Visual Floorplan Localization (FLoc) struggles with severe structural aliasing caused by repetitive minimalist layouts. This occurs because physically distant poses share highly similar visual-geometric features, which degrades spatial…

机器人学 · 计算机科学 2026-05-11 Ping Zhong , Shiyong Meng , Bolei Chen , Tao Zou , Chaoxu Mu , Jianxin Wang

Supervised contrastive learning has achieved remarkable success by leveraging label information; however, determining positive samples in multi-label scenarios remains a critical challenge. In multi-label supervised contrastive learning…

机器学习 · 计算机科学 2025-09-30 Guangming Huang , Yunfei Long , Cunjin Luo

In this work, we present Multi-Level Contrastive Learning for Dense Prediction Task (MCL), an efficient self-supervised method for learning region-level feature representation for dense prediction tasks. Our method is motivated by the three…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Qiushan Guo , Yizhou Yu , Yi Jiang , Jiannan Wu , Zehuan Yuan , Ping Luo

Contrastive self-supervised learning has attracted significant research attention recently. It learns effective visual representations from unlabeled data by embedding augmented views of the same image close to each other while pushing away…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Yichen Zhang , Yifang Yin , Ying Zhang , Roger Zimmermann

Vision-Language Models (VLMs) rely heavily on pretrained vision encoders to support downstream tasks such as image captioning, visual question answering, and zero-shot classification. Despite their strong performance, these encoders remain…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Md Zarif Hossain , Ahmed Imteaj

Machine unlearning, the efficient deletion of the impact of specific data in a trained model, remains a challenging problem. Current machine unlearning approaches that focus primarily on data-centric or weight-based strategies frequently…

机器学习 · 计算机科学 2025-08-07 Thang Duc Tran , Thai Hoang Le