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The goal of self-supervised visual representation learning is to learn strong, transferable image representations, with the majority of research focusing on object or scene level. On the other hand, representation learning at part level has…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Subhabrata Choudhury , Iro Laina , Christian Rupprecht , Andrea Vedaldi

We consider the problem of improving the human instance segmentation mask quality for a given test image using keypoints estimation. We compare two alternative approaches. The first approach is a test-time adaptation (TTA) method, where we…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Kambiz Azarian , Debasmit Das , Hyojin Park , Fatih Porikli

Microscopy images are crucial for life science research, allowing detailed inspection and characterization of cellular and tissue-level structures and functions. However, microscopy data are unavoidably affected by image degradations, such…

图像与视频处理 · 电气工程与系统科学 2025-11-20 Nuno Pimpão Martins , Yannis Kalaidzidis , Marino Zerial , Florian Jug

Pretrained VLMs exhibit strong zero-shot classification capabilities, but their predictions degrade significantly under common image corruptions. To improve robustness, many test-time adaptation (TTA) methods adopt positive data…

机器学习 · 计算机科学 2025-11-14 Ruxi Deng , Wenxuan Bao , Tianxin Wei , Jingrui He

Neural networks for image classification tasks assume that any given image during inference belongs to one of the training classes. This closed-set assumption is challenged in real-world applications where models may encounter inputs of…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Jinsol Lee , Ghassan AlRegib

Machine learning models struggle with generalization when encountering out-of-distribution (OOD) samples with unexpected distribution shifts. For vision tasks, recent studies have shown that test-time adaptation employing diffusion models…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Yun-Yun Tsai , Fu-Chen Chen , Albert Y. C. Chen , Junfeng Yang , Che-Chun Su , Min Sun , Cheng-Hao Kuo

Test-time adaptation (TTA) has increasingly been an important topic to efficiently tackle the cross-domain distribution shift at test time for medical images from different institutions. Previous TTA methods have a common limitation of…

计算机视觉与模式识别 · 计算机科学 2022-05-30 Hongzheng Yang , Cheng Chen , Meirui Jiang , Quande Liu , Jianfeng Cao , Pheng Ann Heng , Qi Dou

Modern applications such as self-driving cars and drones rely heavily upon robust object detection techniques. However, weather corruptions can hinder the object detectability and pose a serious threat to their navigation and reliability.…

图像与视频处理 · 电气工程与系统科学 2022-04-06 Aboli Marathe , Pushkar Jain , Rahee Walambe , Ketan Kotecha

Restoration of images contaminated by different adverse weather conditions such as fog, snow, and rain is a challenging task due to the varying nature of the weather conditions. Most of the existing methods focus on any one particular…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Kotha Kartheek , Lingamaneni Gnanesh Chowdary , Snehasis Mukherjee

Pre-trained models, e.g., from ImageNet, have proven to be effective in boosting the performance of many downstream applications. It is too demanding to acquire large-scale annotations to build such models for medical imaging. Meanwhile,…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Xiaosong Wang , Ziyue Xu , Leo Tam , Dong Yang , Daguang Xu

Deep learning provides a new avenue for image restoration, which demands a delicate balance between fine-grained details and high-level contextualized information during recovering the latent clear image. In practice, however, existing…

计算机视觉与模式识别 · 计算机科学 2021-09-09 Man Zhou , Zeyu Xiao , Xueyang Fu , Aiping Liu , Gang Yang , Zhiwei Xiong

Recent adaptations can boost the low-shot capability of Contrastive Vision-Language Pre-training (CLIP) by effectively facilitating knowledge transfer. However, these adaptation methods are usually operated on the global view of an input…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Jinda Lu , Shuo Wang , Yanbin Hao , Haifeng Liu , Xiang Wang , Meng Wang

Due to the difficulty of replicating the real conditions during training, supervised algorithms for spacecraft pose estimation experience a drop in performance when trained on synthetic data and applied to real operational data. To address…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Juan Ignacio Bravo Pérez-Villar , Álvaro García-Martín , Jesús Bescós , Juan C. SanMiguel

Pose transfer aims to transfer a given person into a specified posture, has recently attracted considerable attention. A typical pose transfer framework usually employs representative datasets to train a discriminative model, which is often…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Junyang Chen , Xiaoyu Xian , Zhijing Yang , Tianshui Chen , Yongyi Lu , Yukai Shi , Jinshan Pan , Liang Lin

We introduce Train/Test-Time Adaptation with Retrieval (${\rm T^3AR}$), a method to adapt models both at train and test time by means of a retrieval module and a searchable pool of external samples. Before inference, ${\rm T^3AR}$ adapts a…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Luca Zancato , Alessandro Achille , Tian Yu Liu , Matthew Trager , Pramuditha Perera , Stefano Soatto

Camera model identification refers to the problem of linking a picture to the camera model used to shoot it. As this might be an enabling factor in different forensic applications to single out possible suspects (e.g., detecting the author…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Pedro Ribeiro Mendes Júnior , Luca Bondi , Paolo Bestagini , Stefano Tubaro , Anderson Rocha

This paper introduces a novel framework for image and video demoir\'eing by integrating Maximum A Posteriori (MAP) estimation with advanced deep learning techniques. Demoir\'eing addresses inherently nonlinear degradation processes, which…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Liangyan Li , Yimo Ning , Kevin Le , Wei Dong , Yunzhe Li , Jun Chen , Xiaohong Liu

While the design of blind image quality assessment (IQA) algorithms has improved significantly, the distribution shift between the training and testing scenarios often leads to a poor performance of these methods at inference time. This…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Subhadeep Roy , Shankhanil Mitra , Soma Biswas , Rajiv Soundararajan

Deep image prior (DIP) was recently introduced as an effective unsupervised approach for image restoration tasks. DIP represents the image to be recovered as the output of a deep convolutional neural network, and learns the network's…

图像与视频处理 · 电气工程与系统科学 2023-02-10 Riccardo Barbano , Johannes Leuschner , Maximilian Schmidt , Alexander Denker , Andreas Hauptmann , Peter Maaß , Bangti Jin

Complex image restoration aims to recover high-quality images from inputs affected by multiple degradations such as blur, noise, rain, and compression artifacts. Recent restoration agents, powered by vision-language models and large…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Jianglin Lu , Yuanwei Wu , Ziyi Zhao , Hongcheng Wang , Felix Jimenez , Abrar Majeedi , Yun Fu