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Residual networks (ResNets) represent a powerful type of convolutional neural network (CNN) architecture, widely adopted and used in various tasks. In this work we propose an improved version of ResNets. Our proposed improvements address…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Ionut Cosmin Duta , Li Liu , Fan Zhu , Ling Shao

Retinal vessel segmentation is an essential step for fundus image analysis. With the recent advances of deep learning technologies, many convolutional neural networks have been applied in this field, including the successful U-Net. In this…

Image and Video Processing · Electrical Eng. & Systems 2019-11-11 Weilin Fu , Katharina Breininger , Zhaoya Pan , Andreas Maier

Deep Neural Networks (DNN) have been widely used to carry out segmentation tasks in both electron and light microscopy. Most DNNs developed for this purpose are based on some variation of the encoder-decoder type U-Net architecture, in…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Hassan Abdallah , Asiri Liyanaarachchi , Maranda Saigh , Samantha Silvers , Suzan Arslanturk , Douglas J. Taatjes , Lars Larsson , Bhanu P. Jena , Domenico L. Gatti

Vision impairment due to pathological damage of the retina can largely be prevented through periodic screening using fundus color imaging. However the challenge with large scale screening is the inability to exhaustively detect fine blood…

Machine Learning · Computer Science 2016-03-16 Debapriya Maji , Anirban Santara , Pabitra Mitra , Debdoot Sheet

Segmentation of retinal vessels from retinal fundus images is the key step in the automatic retinal image analysis. In this paper, we propose a new unsupervised automatic method to segment the retinal vessels from retinal fundus images.…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Renoh Johnson Chalakkal , Waleed Abdulla

Topological and geometrical analysis of retinal blood vessel is a cost-effective way for early detection of many common diseases. Meanwhile, automated vessel segmentation and vascular tree analysis are still lacking in terms of…

Image and Video Processing · Electrical Eng. & Systems 2021-11-24 Xingzheng Lyu , Li Cheng , Sanyuan Zhang

State-of-the-art methods for retinal vessel segmentation mainly rely on manually labeled vessels as the ground truth for supervised training. The quality of manual labels plays an essential role in the segmentation accuracy, while in…

Image and Video Processing · Electrical Eng. & Systems 2019-12-06 Yunqiao Yang , Zhiwei Wang , Jingen Liu , Kwang-Ting Cheng , Xin Yang

The morphology of blood vessels in retinal fundus images is an important indicator of diseases like glaucoma, hypertension and diabetic retinopathy. The accuracy of retinal blood vessels segmentation affects the quality of retinal image…

Computer Vision and Pattern Recognition · Computer Science 2018-03-02 A. M. R. R. Bandara , P. W. G. R. M. P. B. Giragama

Magnetic Resonance Imaging can produce detailed images of the anatomy and physiology of the human body that can assist doctors in diagnosing and treating pathologies such as tumours. However, MRI suffers from very long acquisition times…

Image and Video Processing · Electrical Eng. & Systems 2022-03-30 George Yiasemis , Jan-Jakob Sonke , Clarisa Sánchez , Jonas Teuwen

Video quality assessment is a challenging problem having a critical significance in the context of medical imaging. For instance, in laparoscopic surgery, the acquired video data suffers from different kinds of distortion that not only…

Image and Video Processing · Electrical Eng. & Systems 2022-09-20 Zohaib Amjad Khan , Azeddine Beghdadi , Mounir Kaaniche , Faouzi Alaya Cheikh , Osama Gharbi

Despite achieving state-of-the-art performance, deep learning methods generally require a large amount of labeled data during training and may suffer from overfitting when the sample size is small. To ensure good generalizability of deep…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Xiaoxu Li , Liyun Yu , Xiaochen Yang , Zhanyu Ma , Jing-Hao Xue , Jie Cao , Jun Guo

Night time semantic segmentation is a crucial task in computer vision, focusing on accurately classifying and segmenting objects in low-light conditions. Unlike daytime techniques, which often perform worse in nighttime scenes, it is…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Sarah Elmahdy , Rodaina Hebishy , Ali Hamdi

Most current semantic segmentation methods rely on fully convolutional networks (FCNs). However, their use of large receptive fields and many pooling layers cause low spatial resolution inside the deep layers. This leads to predictions with…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Gedas Bertasius , Lorenzo Torresani , Stella X. Yu , Jianbo Shi

Retinal vessel segmentation is a vital step for the diagnosis of many early eye-related diseases. In this work, we propose a new deep learning model, namely Channel Attention Residual U-Net (CAR-UNet), to accurately segment retinal vascular…

Image and Video Processing · Electrical Eng. & Systems 2020-10-22 Changlu Guo , Márton Szemenyei , Yangtao Hu , Wenle Wang , Wei Zhou , Yugen Yi

Defect detection is a basic and essential task in automatic parts production, especially for automotive engine precision parts. In this paper, we propose a new idea to construct a deep convolutional network combining related knowledge of…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Zhenshen Qu , Jianxiong Shen , Ruikun Li , Junyu Liu , Qiuyu Guan

While convolutional neural networks have gained impressive success recently in solving structured prediction problems such as semantic segmentation, it remains a challenge to differentiate individual object instances in the scene. Instance…

Machine Learning · Computer Science 2017-07-14 Mengye Ren , Richard S. Zemel

We present a cascade deep neural network to segment retinal vessels in volumetric optical coherence tomography (OCT). Two types of knowledge are infused into the network for confining the searching regions. (1) Histology. The retinal…

Image and Video Processing · Electrical Eng. & Systems 2019-10-22 Liyang Fang , Jianlong Yang , Lei Mou , Huihong Zhang , Zhenjie Chai , Zhi Chen , Jiang Liu

Convolutional Neural Networks (CNNs) has revolutionized computer vision, but training very deep networks has been challenging due to the vanishing gradient problem. This paper explores Residual Networks (ResNet), introduced by He et al.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Xingyu Liu , Kun Ming Goh

Blinding eye diseases are often correlated with altered retinal morphology, which can be clinically identified by segmenting retinal structures in fundus images. However, current methodologies often fall short in accurately segmenting…

Image and Video Processing · Electrical Eng. & Systems 2023-09-12 Mufassir M. Abbasi , Shahzaib Iqbal , Asim Naveed , Tariq M. Khan , Syed S. Naqvi , Wajeeha Khalid

Abnormalities in retinal fundus images may indicate certain pathologies such as diabetic retinopathy, hypertension, stroke, glaucoma, retinal macular edema, venous occlusion, and atherosclerosis, making the study and analysis of retinal…

Image and Video Processing · Electrical Eng. & Systems 2024-05-28 Yuzhuo Chen , Zetong Chen , Yuanyuan Liu