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Deeper neural networks are more difficult to train. We present a residual learning framework to ease the training of networks that are substantially deeper than those used previously. We explicitly reformulate the layers as learning…

Computer Vision and Pattern Recognition · Computer Science 2015-12-11 Kaiming He , Xiangyu Zhang , Shaoqing Ren , Jian Sun

Visual classification can be divided into coarse-grained and fine-grained classification. Coarse-grained classification represents categories with a large degree of dissimilarity, such as the classification of cats and dogs, while…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Po-Yung Chou , Cheng-Hung Lin , Wen-Chung Kao

Deep convolutional neural networks have shown high efficiency in computer visions and other applications. However, with the increase in the depth of the networks, the computational complexity is growing exponentially. In this paper, we…

Machine Learning · Computer Science 2021-01-08 Ali Mirzaeian , Sai Manoj , Ashkan Vakil , Houman Homayoun , Avesta Sasan

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.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Zhongyan Zhang , Lei Wang , Yang Wang , Luping Zhou , Jianjia Zhang , Peng Wang , Fang Chen

Large scale image classification datasets often contain noisy labels. We take a principled probabilistic approach to modelling input-dependent, also known as heteroscedastic, label noise in these datasets. We place a multivariate Normal…

Machine Learning · Computer Science 2021-05-24 Mark Collier , Basil Mustafa , Efi Kokiopoulou , Rodolphe Jenatton , Jesse Berent

In the fast-evolving field of artificial intelligence, where models are increasingly growing in complexity and size, the availability of labeled data for training deep learning models has become a significant challenge. Addressing complex…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 Santiago C. Vilabella , Pablo Pérez-Núñez , Beatriz Remeseiro

Semantic noise in image classification datasets, where visually similar categories are frequently mislabeled, poses a significant challenge to conventional supervised learning approaches. In this paper, we explore the potential of using…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Yingxuan Li , Jiafeng Mao , Yusuke Matsui

An approach to utilize recent advances in deep generative models for anomaly detection in a granular (continuous) sense on a real-world image dataset with quality issues is detailed using recent normalizing flow models, with implications in…

Machine Learning · Computer Science 2020-01-14 John Just

Fine-grained recognition involves the classification of images from subordinate macro-categories, and it is challenging due to small inter-class differences. To overcome this, most methods perform discriminative feature selection enabled by…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Edwin Arkel Rios , Min-Chun Hu , Bo-Cheng Lai

Deep learning approaches to generic (non-semantic) segmentation have so far been indirect and relied on edge detection. This is in contrast to semantic segmentation, where DNNs are applied directly. We propose an alternative approach called…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Oran Shayer , Michael Lindenbaum

Large annotated datasets are vital for training segmentation models, but pixel-level labeling is time-consuming, error-prone, and often requires scarce expert annotators, especially in medical imaging. In contrast, coarse annotations are…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Le Zhang , Fuping Wu , Arun Thirunavukarasu , Kevin Bronik , Thomas Nichols , Bartlomiej W. Papiez

Different from large-scale classification tasks, fine-grained visual classification is a challenging task due to two critical problems: 1) evident intra-class variances and subtle inter-class differences, and 2) overfitting owing to fewer…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Hang Yao , Qiguang Miao , Peipei Zhao , Chaoneng Li , Xin Li , Guanwen Feng , Ruyi Liu

Noisy labels are ubiquitous in real-world datasets, especially in the large-scale ones derived from crowdsourcing and web searching. It is challenging to train deep neural networks with noisy datasets since the networks are prone to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Yangdi Lu , Wenbo He

Fine-grained categorisation has been a challenging problem due to small inter-class variation, large intra-class variation and low number of training images. We propose a learning system which first clusters visually similar classes and…

Computer Vision and Pattern Recognition · Computer Science 2015-05-12 Zongyuan Ge , Christopher Mccool , Conrad Sanderson , Peter Corke

The availability of large labeled datasets has allowed Convolutional Network models to achieve impressive recognition results. However, in many settings manual annotation of the data is impractical; instead our data has noisy labels, i.e.…

Computer Vision and Pattern Recognition · Computer Science 2015-04-13 Sainbayar Sukhbaatar , Joan Bruna , Manohar Paluri , Lubomir Bourdev , Rob Fergus

This paper presents a practical approach to fine-grained information extraction. Through plenty of experiences of authors in practically applying information extraction to business process automation, there can be found a couple of…

Information Retrieval · Computer Science 2020-06-09 Minh-Tien Nguyen , Viet-Anh Phan , Le Thai Linh , Nguyen Hong Son , Le Tien Dung , Miku Hirano , Hajime Hotta

DeepFashion is a widely used clothing dataset with 50 categories and more than overall 200k images where each image is annotated with fine-grained attributes. This dataset is often used for clothes recognition and although it provides…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Roshanak Zakizadeh , Michele Sasdelli , Yu Qian , Eduard Vazquez

Fine-grained visual classification can be addressed by deep representation learning under supervision of manually pre-defined targets (e.g., one-hot or the Hadamard codes). Such target coding schemes are less flexible to model inter-class…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Kangjun Liu , Ke Chen , Kui Jia

The need for labour intensive pixel-wise annotation is a major limitation of many fully supervised learning methods for segmenting bioimages that can contain numerous object instances with thin separations. In this paper, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Rihuan Ke , Aurélie Bugeau , Nicolas Papadakis , Peter Schuetz , Carola-Bibiane Schönlieb

In this paper, we categorize fine-grained images without using any object / part annotation neither in the training nor in the testing stage, a step towards making it suitable for deployments. Fine-grained image categorization aims to…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Yu Zhang , Xiu-shen Wei , Jianxin Wu , Jianfei Cai , Jiangbo Lu , Viet-Anh Nguyen , Minh N. Do