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Sharing images online poses security threats to a wide range of users due to the unawareness of privacy information. Deep features have been demonstrated to be a powerful representation for images. However, deep features usually suffer from…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Chiranjibi Sitaula , Yong Xiang , Sunil Aryal , Xuequan Lu

Modern person re-identification (Re-ID) methods have a weak generalization ability and experience a major accuracy drop when capturing environments change. This is because existing multi-camera Re-ID datasets are limited in size and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Timur Mamedov , Anton Konushin , Vadim Konushin

We introduce Noisy Feature Mixup (NFM), an inexpensive yet effective method for data augmentation that combines the best of interpolation based training and noise injection schemes. Rather than training with convex combinations of pairs of…

Machine Learning · Computer Science 2023-05-23 Soon Hoe Lim , N. Benjamin Erichson , Francisco Utrera , Winnie Xu , Michael W. Mahoney

The recently advanced unsupervised learning approaches use the siamese-like framework to compare two "views" from the same image for learning representations. Making the two views distinctive is a core to guarantee that unsupervised methods…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Zhiqiang Shen , Zechun Liu , Zhuang Liu , Marios Savvides , Trevor Darrell , Eric Xing

Mix-up is a key technique for consistency regularization-based semi-supervised learning methods, blending two or more images to generate strong-perturbed samples for strong-weak pseudo supervision. Existing mix-up operations are performed…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Zhiqiang Shen , Peng Cao , Junming Su , Jinzhu Yang , Osmar R. Zaiane

Data augmentation is a key technique for improving the robustness of image classification models. However, many recent approaches rely on diffusion-based synthesis or complex feature mixing strategies, which introduce substantial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Yuto Matsuo , Yoshihiro Fukuhara , Yuki M. Asano , Rintaro Yanagi , Hirokatsu Kataoka , Akio Nakamura

Mixup has become a popular augmentation strategy for image classification, yet its naive pixel-wise interpolation often produces unrealistic images that can hinder learning, particularly in high-stakes medical applications. We propose…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Hugo Carlesso , Maria Eliza Patulea , Moncef Garouani , Radu Tudor Ionescu , Josiane Mothe

Data mixing (e.g., Mixup, Cutmix, ResizeMix) is an essential component for advancing recognition models. In this paper, we focus on studying its effectiveness in the self-supervised setting. By noticing the mixed images that share the same…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Sucheng Ren , Huiyu Wang , Zhengqi Gao , Shengfeng He , Alan Yuille , Yuyin Zhou , Cihang Xie

Deep diffeomorphic registration faces significant challenges for high-dimensional images, especially in terms of memory limits. Existing approaches either downsample original images, or approximate underlying transformations, or reduce…

Image and Video Processing · Electrical Eng. & Systems 2021-05-25 Ankita Joshi , Yi Hong

Hierarchical and complex Mathematical Expression Recognition (MER) is challenging due to multiple possible interpretations of a formula, complicating both parsing and evaluation. In this paper, we introduce the Hierarchical Detail-Focused…

Computation and Language · Computer Science 2025-01-10 Jiale Wang , Junhui Yu , Huanyong Liu , Chenanran Kong

Our research focuses on few-shot fine-grained image classification, which faces two major challenges: appearance similarity of fine-grained objects and limited number of samples. To preserve the appearance details of images, traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Shulei Qiu , Wanqi Yang , Ming Yang

Ultra-high-resolution image generation poses great challenges, such as increased semantic planning complexity and detail synthesis difficulties, alongside substantial training resource demands. We present UltraPixel, a novel architecture…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Jingjing Ren , Wenbo Li , Haoyu Chen , Renjing Pei , Bin Shao , Yong Guo , Long Peng , Fenglong Song , Lei Zhu

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,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Xiaosong Wang , Ziyue Xu , Leo Tam , Dong Yang , Daguang Xu

Data augmentation is widely used to enhance generalization in visual classification tasks. However, traditional methods struggle when source and target domains differ, as in domain adaptation, due to their inability to address domain gaps.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Khawar Islam , Muhammad Zaigham Zaheer , Arif Mahmood , Karthik Nandakumar , Naveed Akhtar

The goal of image harmonization is adjusting the foreground appearance in a composite image to make the whole image harmonious. To construct paired training images, existing datasets adopt different ways to adjust the illumination…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Li Niu , Junyan Cao , Wenyan Cong , Liqing Zhang

Deep learning-based methods have achieved considerable success on single image dehazing in recent years. However, these methods are often subject to performance degradation when domain shifts are confronted. Specifically, haze density gaps…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Chia-Ming Chang , Tsung-Nan Lin

In many machine learning problems, large-scale datasets have become the de-facto standard to train state-of-the-art deep networks at the price of heavy computation load. In this paper, we focus on condensing large training sets into…

Machine Learning · Computer Science 2021-06-11 Bo Zhao , Hakan Bilen

An automated segmentation and classification of nuclei is an essential task in digital pathology. The current deep learning-based approaches require a vast amount of annotated datasets by pathologists. However, the existing datasets are…

Image and Video Processing · Electrical Eng. & Systems 2022-10-25 Tan Nhu Nhat Doan , Kyungeun Kim , Boram Song , Jin Tae Kwak

Image-mixing augmentations (e.g., Mixup and CutMix), which typically involve mixing two images, have become the de-facto training techniques for image classification. Despite their huge success in image classification, the number of images…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Joonhyun Jeong , Sungmin Cha , Youngjoon Yoo , Sangdoo Yun , Taesup Moon , Jongwon Choi

Deep learning models need large amounts of data for training. In video recognition and classification, significant advances were achieved with the introduction of new large databases. However, the creation of large-databases for training is…

Computer Vision and Pattern Recognition · Computer Science 2021-07-05 Miguel Rodríguez Santander , Juan Hernández Albarracín , Adín Ramírez Rivera