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Braille has empowered visually challenged community to read and write. But at the same time, it has created a gap due to widespread inability of non-Braille users to understand Braille scripts. This gap has fuelled researchers to propose…

Computer Vision and Pattern Recognition · Computer Science 2021-07-05 Zeba Khanam , Atiya Usmani

This paper proposes an optical Braille recognition method that uses an object detection convolutional neural network to detect whole Braille characters at once. The proposed algorithm is robust to the deformation of the page shown in the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Ilya G. Ovodov

Detecting retinal image analysis, particularly the geometrical features of branching points, plays an essential role in diagnosing eye diseases. However, existing methods used for this purpose often are coarse-level and lack fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Hao Wang , Wenhui Zhu , Jiayou Qin , Xin Li , Oana Dumitrascu , Xiwen Chen , Peijie Qiu , Abolfazl Razi

In the field of image classification, existing methods often struggle with biased or ambiguous data, a prevalent issue in real-world scenarios. Current strategies, including semi-supervised learning and class blending, offer partial…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Lars Schmarje , Vasco Grossmann , Claudius Zelenka , Johannes Brünger , Reinhard Koch

Image segmentation is one of the most essential biomedical image processing problems for different imaging modalities, including microscopy and X-ray in the Internet-of-Medical-Things (IoMT) domain. However, annotating biomedical images is…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Ziyuan Zhao , Zeng Zeng , Kaixin Xu , Cen Chen , Cuntai Guan

Advances in deepfake research have led to the creation of almost perfect manipulations undetectable by human eyes and some deepfakes detection tools. Recently, several techniques have been proposed to differentiate deepfakes from realistic…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Ahmed Abul Hasanaath , Hamzah Luqman , Raed Katib , Saeed Anwar

Recent trends in semi-supervised learning have significantly boosted the performance of 3D semi-supervised medical image segmentation. Compared with 2D images, 3D medical volumes involve information from different directions, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Heng Cai , Shumeng Li , Lei Qi , Qian Yu , Yinghuan Shi , Yang Gao

Automated segmentation of hard exudates in colour fundus images is a challenge task due to issues of extreme class imbalance and enormous size variation. This paper aims to tackle these issues and proposes a dual-branch network with…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Qing Liu , Haotian Liu , Yixiong Liang

In this study, a perceptually hidden object-recognition method is investigated to generate secure images recognizable by humans but not machines. Hence, both the perceptual information hiding and the corresponding object recognition methods…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Koki Madono , Masayuki Tanaka , Masaki Onishi , Tetsuji Ogawa

Medical image segmentation plays an irreplaceable role in computer-assisted diagnosis, treatment planning, and following-up. Collecting and annotating a large-scale dataset is crucial to training a powerful segmentation model, but producing…

Image and Video Processing · Electrical Eng. & Systems 2022-03-07 Xiangde Luo , Minhao Hu , Wenjun Liao , Shuwei Zhai , Tao Song , Guotai Wang , Shaoting Zhang

Image classification systems recently made a giant leap with the advancement of deep neural networks. However, these systems require an excessive amount of labeled data to be adequately trained. Gathering a correctly annotated dataset is…

Machine Learning · Computer Science 2021-01-19 Görkem Algan , Ilkay Ulusoy

Recent research in the field of computer vision strongly focuses on deep learning architectures to tackle image processing problems. Deep neural networks are often considered in complex image processing scenarios since traditional computer…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Marcel P. Schilling , Luca Rettenberger , Friedrich Münke , Haijun Cui , Anna A. Popova , Pavel A. Levkin , Ralf Mikut , Markus Reischl

Medical image analysis faces significant challenges due to limited annotation data, particularly in three-dimensional carotid artery segmentation tasks, where existing datasets exhibit spatially discontinuous slice annotations with only a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Haoxuan Li , Wei Song , Aofan Liu , Peiwu Qin

There is growing interest in the challenging visual perception task of learning from long-tailed class distributions. The extreme class imbalance in the training dataset biases the model to prefer recognizing majority class data over…

Computer Vision and Pattern Recognition · Computer Science 2024-02-19 Jae Soon Baik , In Young Yoon , Jun Won Choi

Image annotation aims to annotate a given image with a variable number of class labels corresponding to diverse visual concepts. In this paper, we address two main issues in large-scale image annotation: 1) how to learn a rich feature…

Computer Vision and Pattern Recognition · Computer Science 2018-10-22 Yulei Niu , Zhiwu Lu , Ji-Rong Wen , Tao Xiang , Shih-Fu Chang

In this paper, we introduce a new dataset in the medical field of Traumatic Brain Injury (TBI), called TBI-IT, which includes both electronic medical records (EMRs) and head CT images. This dataset is designed to enhance the accuracy of…

Image and Video Processing · Electrical Eng. & Systems 2024-03-15 Jie Li , Jiaying Wen , Tongxin Yang , Fenglin Cai , Miao Wei , Zhiwei Zhang , Li Jiang

We propose the Dynamic Optical Test for Bot Identification (DOT-BI): a quick and easy method that uses human perception of motion to differentiate between human respondents and automated systems in surveys and online processes. In DOT-BI, a…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Malte Bleeker , Mauro Gotsch

In clinical medicine, precise image segmentation can provide substantial support to clinicians. However, obtaining high-quality segmentation typically demands extensive pixel-level annotations, which are labor-intensive and expensive.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Tao Wang , Xinlin Zhang , Zhenxuan Zhang , Yuanbo Zhou , Yuanbin Chen , Longxuan Zhao , Chaohui Xu , Shun Chen , Guang Yang , Tong Tong

This paper proposes an approach for rapid bounding box annotation for object detection datasets. The procedure consists of two stages: The first step is to annotate a part of the dataset manually, and the second step proposes annotations…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Bishwo Adhikari , Jukka Peltomäki , Jussi Puura , Heikki Huttunen

Training a deep neural network heavily relies on a large amount of training data with accurate annotations. To alleviate this problem, various methods have been proposed to annotate the data automatically. However, automatically generating…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Yi Wei , Xue Mei , Xin Liu , Pengxiang Xu
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