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相关论文: Learning Deep Representations via Contrastive Lear…

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This paper is concerned with contrastive learning (CL) for low-level image restoration and enhancement tasks. We propose a new label-efficient learning paradigm based on residuals, residual contrastive learning (RCL), and derive an…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Nanqing Dong , Matteo Maggioni , Yongxin Yang , Eduardo Pérez-Pellitero , Ales Leonardis , Steven McDonagh

We consider the problem of obtaining image quality representations in a self-supervised manner. We use prediction of distortion type and degree as an auxiliary task to learn features from an unlabeled image dataset containing a mixture of…

计算机视觉与模式识别 · 计算机科学 2022-06-30 Pavan C. Madhusudana , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

In this work, we evaluate contrastive models for the task of image retrieval. We hypothesise that models that are learned to encode semantic similarity among instances via discriminative learning should perform well on the task of image…

计算机视觉与模式识别 · 计算机科学 2021-05-03 Tarun Krishna , Kevin McGuinness , Noel O'Connor

The progress of composed image retrieval (CIR), a popular research direction in image retrieval, where a combined visual and textual query is used, is held back by the absence of high-quality training and evaluation data. We introduce a new…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Bill Psomas , George Retsinas , Nikos Efthymiadis , Panagiotis Filntisis , Yannis Avrithis , Petros Maragos , Ondrej Chum , Giorgos Tolias

Real-scene image super-resolution aims to restore real-world low-resolution images into their high-quality versions. A typical RealSR framework usually includes the optimization of multiple criteria which are designed for different image…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Yukai Shi , Hao Li , Sen Zhang , Zhijing Yang , Xiao Wang

Contrastive Learning (CL) has been proved to be a powerful self-supervised approach for a wide range of domains, including computer vision and graph representation learning. However, the incremental learning issue of CL has rarely been…

机器学习 · 计算机科学 2023-01-31 Cheng Ji , Jianxin Li , Hao Peng , Jia Wu , Xingcheng Fu , Qingyun Sun , Phillip S. Yu

Interactive Recommendation (IR) has gained significant attention recently for its capability to quickly capture dynamic interest and optimize both short and long term objectives. IR agents are typically implemented through Deep…

信息检索 · 计算机科学 2025-06-17 Jingyu Li , Zhiyong Feng , Dongxiao He , Hongqi Chen , Qinghang Gao , Guoli Wu

Previous approaches to the task of implicit discourse relation recognition (IDRR) generally view it as a classification task. Even with pre-trained language models, like BERT and RoBERTa, IDRR still relies on complicated neural networks…

计算与语言 · 计算机科学 2024-09-24 Yiheng Wu , Junhui Li , Muhua Zhu

Quality feature representation is key to instance image retrieval. To attain it, existing methods usually resort to a deep model pre-trained on benchmark datasets or even fine-tune the model with a task-dependent labelled auxiliary dataset.…

计算机视觉与模式识别 · 计算机科学 2022-08-15 Zhongyan Zhang , Lei Wang , Yang Wang , Luping Zhou , Jianjia Zhang , Peng Wang , Fang Chen

Ensuring the realism of computer-generated synthetic images is crucial to deep neural network (DNN) training. Due to different semantic distributions between synthetic and real-world captured datasets, there exists semantic mismatch between…

计算机视觉与模式识别 · 计算机科学 2023-04-27 Ganning Zhao , Tingwei Shen , Suya You , C. -C. Jay Kuo

In recent years, we have witnessed the great advancement of Deep neural networks (DNNs) in image restoration. However, a critical limitation is that they cannot generalize well to real-world degradations with different degrees or types. In…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Xin Li , Bingchen Li , Xin Jin , Cuiling Lan , Zhibo Chen

Contrastive instance discrimination methods outperform supervised learning in downstream tasks such as image classification and object detection. However, these methods rely heavily on data augmentation during representation learning, which…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Mohammad Alkhalefi , Georgios Leontidis , Mingjun Zhong

Contrastive learning (CL) methods effectively learn data representations in a self-supervision manner, where the encoder contrasts each positive sample over multiple negative samples via a one-vs-many softmax cross-entropy loss. By…

Instance-level recognition (ILR) focuses on identifying individual objects rather than broad categories, offering the highest granularity in image classification. However, this fine-grained nature makes creating large-scale annotated…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Yankun Wu , Zakaria Laskar , Giorgos Kordopatis-Zilos , Noa Garcia , Giorgos Tolias

Images with different resolutions are ubiquitous in public person re-identification (ReID) datasets and real-world scenes, it is thus crucial for a person ReID model to handle the image resolution variations for improving its generalization…

计算机视觉与模式识别 · 计算机科学 2018-10-25 Zijie Zhuang , Haizhou Ai , Long Chen , Chong Shang

Given a collection of images, humans are able to discover landmarks by modeling the shared geometric structure across instances. This idea of geometric equivariance has been widely used for the unsupervised discovery of object landmark…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Zezhou Cheng , Jong-Chyi Su , Subhransu Maji

Self-supervised learning algorithms based on instance discrimination train encoders to be invariant to pre-defined transformations of the same instance. While most methods treat different views of the same image as positives for a…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Debidatta Dwibedi , Yusuf Aytar , Jonathan Tompson , Pierre Sermanet , Andrew Zisserman

Building robust and real-time classifiers with diverse datasets are one of the most significant challenges to deep learning researchers. It is because there is a considerable gap between a model built with training (seen) data and real…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Mayanka Chandrashekar , Yugyung Lee

With various facial manipulation techniques arising, face forgery detection has drawn growing attention due to security concerns. Previous works always formulate face forgery detection as a classification problem based on cross-entropy…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Ke Sun , Taiping Yao , Shen Chen , Shouhong Ding , Jilin L , Rongrong Ji

Given a query composed of a reference image and a relative caption, the Composed Image Retrieval goal is to retrieve images visually similar to the reference one that integrates the modifications expressed by the caption. Given that recent…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Alberto Baldrati , Marco Bertini , Tiberio Uricchio , Alberto del Bimbo
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