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Image retrieval is the problem of searching an image database for items that are similar to a query image. To address this task, two main types of image representations have been studied: global and local image features. In this work, our…

计算机视觉与模式识别 · 计算机科学 2020-09-17 Bingyi Cao , Andre Araujo , Jack Sim

We show how to use low-quality, synthetic, and out-of-distribution images to improve the quality of a diffusion model. Typically, diffusion models are trained on curated datasets that emerge from highly filtered data pools from the Web and…

We design a novel network architecture for learning discriminative image models that are employed to efficiently tackle the problem of grayscale and color image denoising. Based on the proposed architecture, we introduce two different…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Stamatios Lefkimmiatis

Diffusion and flow-based models have enabled significant progress in generation tasks across various modalities and have recently found applications in predictive learning. However, unlike typical generation tasks that encourage sample…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Yu Zhang , Xingzhuo Guo , Haoran Xu , Jialong Wu , Mingsheng Long

Deep neural networks can struggle to learn continually in the face of non-stationarity. This phenomenon is known as loss of plasticity. In this paper, we identify underlying principles that lead to plastic algorithms. In particular, we…

机器学习 · 计算机科学 2024-10-29 Alex Lewandowski , Dale Schuurmans , Marlos C. Machado

Diffusion Models enable realistic image generation, raising the risk of misinformation and eroding public trust. Currently, detecting images generated by unseen diffusion models remains challenging due to the limited generalization…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Yingjian Chen , Lei Zhang , Yakun Niu , Lei Tan , Pei Chen

This review explores anomaly localization in medical images using denoising diffusion models. After providing a brief methodological background of these models, including their application to image reconstruction and their conditioning…

图像与视频处理 · 电气工程与系统科学 2025-12-15 Cosmin I. Bercea , Philippe C. Cattin , Julia A. Schnabel , Julia Wolleb

In this paper, we introduce a novel concept for learning of the parameters in a neural network. Our idea is grounded on modeling a learning problem that addresses a trade-off between (i) satisfying local objectives at each node and (ii)…

机器学习 · 计算机科学 2019-02-04 Dimche Kostadinov , Behrooz Razdehi , Slava Voloshynovskiy

Subjective image quality measures based on deep neural networks are very related to models of visual neuroscience. This connection benefits engineering but, more interestingly, the freedom to optimize deep networks in different ways, make…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Pablo Hernández-Cámara , Jorge Vila-Tomás , Valero Laparra , Jesús Malo

Diffusion models generate structure by progressively transforming noise into data, yet the mechanisms underlying this transition remain poorly understood. In this work, we show that pattern formation in trained diffusion models can be…

机器学习 · 计算机科学 2026-04-29 Luca Ambrogioni

This paper presents a predictive model for estimating regularization parameters of diffeomorphic image registration. We introduce a novel framework that automatically determines the parameters controlling the smoothness of diffeomorphic…

图像与视频处理 · 电气工程与系统科学 2022-02-08 Jian Wang , Miaomiao Zhang

One of the key issues in Deep Neural Networks (DNNs) is the black-box nature of their internal feature extraction process. Targeting vision-related domains, this paper focuses on analysing the feature space of a DNN by proposing a decoder…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Kimiaki Shirahama , Miki Yanobu , Kaduki Yamashita , Miho Ohsaki

Deep learning can be used to extract meaningful results from images. In this paper, we used convolutional neural networks combined with recurrent neural networks on images of plasmonic structures and extract absorption data form them. To…

计算机视觉与模式识别 · 计算机科学 2018-05-02 Iman Sajedian , Jeonghyun Kim , Junsuk Rho

Diffusion, a fundamental internal mechanism emerging in many physical processes, describes the interaction among different objects. In many learning tasks with limited training samples, the diffusion connects the labeled and unlabeled data…

机器学习 · 计算机科学 2023-05-02 Tangjun Wang , Zehao Dou , Chenglong Bao , Zuoqiang Shi

The human visual system excels at detecting local blur of visual images, but the underlying mechanism is not well understood. Traditional views of blur such as reduction in energy at high frequencies and loss of phase coherence at localized…

计算机视觉与模式识别 · 计算机科学 2018-06-13 Kede Ma , Huan Fu , Tongliang Liu , Zhou Wang , Dacheng Tao

Diffusion models (DMs) have achieved state-of-the-art results for image synthesis tasks as well as density estimation. Applied in the latent space of a powerful pretrained autoencoder (LDM), their immense computational requirements can be…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Jeremias Traub

Supervised deep learning models require significant amount of labeled data to achieve an acceptable performance on a specific task. However, when tested on unseen data, the models may not perform well. Therefore, the models need to be…

计算机视觉与模式识别 · 计算机科学 2024-01-01 Akshit Achara , Ram Krishna Pandey

Deep networks thrive when trained on large scale data collections. This has given ImageNet a central role in the development of deep architectures for visual object classification. However, ImageNet was created during a specific period in…

计算机视觉与模式识别 · 计算机科学 2018-05-23 Nizar Massouh , Francesca Babiloni , Tatiana Tommasi , Jay Young , Nick Hawes , Barbara Caputo

Today's denoising diffusion models do not "denoise" in the classical sense, i.e., they do not directly predict clean images. Rather, the neural networks predict noise or a noised quantity. In this paper, we suggest that predicting clean…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Tianhong Li , Kaiming He

Existing denoising methods typically restore clear results by aggregating pixels from the noisy input. Instead of relying on hand-crafted aggregation schemes, we propose to explicitly learn this process with deep neural networks. We present…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Xiangyu Xu , Muchen Li , Wenxiu Sun , Ming-Hsuan Yang
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