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This study introduces a Masked Degradation Classification Pre-Training method (MaskDCPT), designed to facilitate the classification of degradation types in input images, leading to comprehensive image restoration pre-training. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 JiaKui Hu , Zhengjian Yao , Lujia Jin , Yinghao Chen , Yanye Lu

Pre-trained diffusion models have demonstrated remarkable proficiency in synthesizing images across a wide range of scenarios with customizable prompts, indicating their effective capacity to capture universal features. Motivated by this,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Yuxiang Ji , Boyong He , Chenyuan Qu , Zhuoyue Tan , Chuan Qin , Liaoni Wu

Learning from limited amounts of data is the hallmark of intelligence, requiring strong generalization and abstraction skills. In a machine learning context, data-efficient methods are of high practical importance since data collection and…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Björn Barz , Lorenzo Brigato , Luca Iocchi , Joachim Denzler

The goal of Feature Selection - comprising filter, wrapper, and embedded approaches - is to find the optimal feature subset for designated downstream tasks. Nevertheless, current feature selection methods are limited by: 1) the selection…

Machine Learning · Computer Science 2023-09-18 Meng Xiao , Dongjie Wang , Min Wu , Pengfei Wang , Yuanchun Zhou , Yanjie Fu

With the rapid development of mobile devices, modern widely-used mobile phones typically allow users to capture 4K resolution (i.e., ultra-high-definition) images. However, for image demoireing, a challenging task in low-level vision,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Xin Yu , Peng Dai , Wenbo Li , Lan Ma , Jiajun Shen , Jia Li , Xiaojuan Qi

Data scarcity is common in deep learning models for medical image segmentation. Previous works proposed multi-dataset learning, either simultaneously or via transfer learning to expand training sets. However, medical image datasets have…

Image and Video Processing · Electrical Eng. & Systems 2022-11-30 Siyu Liu , Wei Dai , Craig Engstrom , Jurgen Fripp , Stuart Crozier , Jason A. Dowling , Shekhar S. Chandra

We address a core problem of computer vision: Detection and description of 2D feature points for image matching. For a long time, hand-crafted designs, like the seminal SIFT algorithm, were unsurpassed in accuracy and efficiency. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Aritra Bhowmik , Stefan Gumhold , Carsten Rother , Eric Brachmann

In the large-scale image retrieval task, the two most important requirements are the discriminability of image representations and the efficiency in computation and storage of representations. Regarding the former requirement, Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Thanh-Toan Do , Tuan Hoang , Dang-Khoa Le Tan , Huu Le , Tam V. Nguyen , Ngai-Man Cheung

Most deep learning methods for video frame interpolation consist of three main components: feature extraction, motion estimation, and image synthesis. Existing approaches are mainly distinguishable in terms of how these modules are…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Moritz Nottebaum , Stefan Roth , Simone Schaub-Meyer

Advances in high resolution remote sensing image analysis are currently hampered by the difficulty of gathering enough annotated data for training deep learning methods, giving rise to a variety of small datasets and associated…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Dimitri Gominski , Valérie Gouet-Brunet , Liming Chen

We develop a novel transfer learning framework to tackle the challenge of limited training data in image reconstruction problems. The proposed framework consists of two training steps, both of which are formed as bi-level optimizations. In…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yunmei Chen , Chi Ding , Xiaojing Ye

Universal image representations are critical in enabling real-world fine-grained and instance-level recognition applications, where objects and entities from any domain must be identified at large scale. Despite recent advances, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Nikolaos-Antonios Ypsilantis , Kaifeng Chen , André Araujo , Ondřej Chum

In machine learning, research has traditionally focused on model development, with relatively less attention paid to training data. As model architectures have matured and marginal gains from further refinements diminish, data quality has…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Pei-Han Chen , Szu-Chi Chung

The cost-effective visual representation and fast query-by-example search are two challenging goals that should be maintained for web-scale visual retrieval tasks on moderate hardware. This paper introduces a fast and robust method that…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Savas Ozkan , Gozde Bozdagi Akar

Modern image retrieval methods typically rely on fine-tuning pre-trained encoders to extract image-level descriptors. However, the most widely used models are pre-trained on ImageNet-1K with limited classes. The pre-trained feature…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Xiang An , Jiankang Deng , Kaicheng Yang , Jaiwei Li , Ziyong Feng , Jia Guo , Jing Yang , Tongliang Liu

The main finding of this work is that the standard image classification pipeline, which consists of dictionary learning, feature encoding, spatial pyramid pooling and linear classification, outperforms all state-of-the-art face recognition…

Computer Vision and Pattern Recognition · Computer Science 2013-10-01 Fumin Shen , Chunhua Shen

Adversarial example is a rising way of protecting facial privacy security from deepfake modification. To prevent massive facial images from being illegally modified by various deepfake models, it is essential to design a universal deepfake…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Long Tang , Dengpan Ye , Zhenhao Lu , Yunming Zhang , Shengshan Hu , Yue Xu , Chuanxi Chen

Image retrieval under generalized test scenarios has gained significant momentum in literature, and the recently proposed protocol of Universal Cross-domain Retrieval is a pioneer in this direction. A common practice in any such generalized…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Soumava Paul , Titir Dutta , Aheli Saha , Abhishek Samanta , Soma Biswas

Deep image compression performs better than conventional codecs, such as JPEG, on natural images. However, deep image compression is learning-based and encounters a problem: the compression performance deteriorates significantly for…

Image and Video Processing · Electrical Eng. & Systems 2022-11-03 Koki Tsubota , Hiroaki Akutsu , Kiyoharu Aizawa

Despite significant progress has been made in image deraining, existing approaches are mostly carried out on low-resolution images. The effectiveness of these methods on high-resolution images is still unknown, especially for…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Hongming Chen , Xiang Chen , Chen Wu , Zhuoran Zheng , Jinshan Pan , Xianping Fu