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Retinal imaging has emerged as a promising method of addressing this challenge, taking advantage of the unique structure of the retina. The retina is an embryonic extension of the central nervous system, providing a direct in vivo window…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Syed Javed , Tariq M. Khan , Abdul Qayyum , Arcot Sowmya , Imran Razzak

We developed a new and computationally simple local block-wise self attention based normal structures segmentation approach applied to head and neck computed tomography (CT) images. Our method uses the insight that normal organs exhibit…

Computer Vision and Pattern Recognition · Computer Science 2019-09-12 Jue Jiang , Elguindi Sharif , Hyemin Um , Sean Berry , Harini Veeraraghavan

Accurate brain lesion delineation is important for planning neurosurgical treatment. Automatic brain lesion segmentation methods based on convolutional neural networks have demonstrated remarkable performance. However, neural network…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Jiayu Huo , Sebastien Ourselin , Rachel Sparks

Image segmentation is a fundamental topic in image processing and has been studied for many decades. Deep learning-based supervised segmentation models have achieved state-of-the-art performance but most of them are limited by using…

Image and Video Processing · Electrical Eng. & Systems 2020-11-03 Xu Chen , Xiangde Luo , Yitian Zhao , Shaoting Zhang , Guotai Wang , Yalin Zheng

Accurate lesion segmentation is crucial for clinical diagnosis and treatment planning. However, lesions often resemble surrounding tissues and exhibit ill-defined boundaries, leading to unstable predictions in boundary/transition regions.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Shuokun Cheng , Jinghao Shi , Kun Sun

Accurate segmentation of skin lesions within dermoscopic images plays a crucial role in the timely identification of skin cancer for computer-aided diagnosis on mobile platforms. However, varying shapes of the lesions, lack of defined…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Hamza Farooq , Zuhair Zafar , Ahsan Saadat , Tariq M Khan , Shahzaib Iqbal , Imran Razzak

We study the impact of different loss functions on lesion segmentation from medical images. Although the Cross-Entropy (CE) loss is the most popular option when dealing with natural images, for biomedical image segmentation the soft Dice…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Adrian Galdran , Gustavo Carneiro , Miguel Ángel González Ballester

Perceptual losses have emerged as powerful tools for training networks to enhance Low-Dose Computed Tomography (LDCT) images, offering an alternative to traditional pixel-wise losses such as Mean Squared Error, which often lead to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Gabriel A. Viana , Luis F. Alves Pereira , Tsang Ing Ren , George D. C. Cavalcanti , Jan Sijbers

Objective: This work addresses two key problems of skin lesion classification. The first problem is the effective use of high-resolution images with pretrained standard architectures for image classification. The second problem is the high…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Nils Gessert , Thilo Sentker , Frederic Madesta , Rüdiger Schmitz , Helge Kniep , Ivo Baltruschat , René Werner , Alexander Schlaefer

The efficacy of segmentation algorithms is frequently compromised by topological errors like overlapping regions, disrupted connections, and voids. To tackle this problem, we introduce a novel loss function, namely Topology-Aware Focal Loss…

Image and Video Processing · Electrical Eng. & Systems 2023-04-28 Andac Demir , Elie Massaad , Bulent Kiziltan

Automatic multiple sclerosis (MS) lesion segmentation using multi-contrast magnetic resonance (MR) images provides improved efficiency and reproducibility compared to manual delineation. Current state-of-the-art automatic MS lesion…

Image and Video Processing · Electrical Eng. & Systems 2023-12-05 Jinwei Zhang , Lianrui Zuo , Blake E. Dewey , Samuel W. Remedios , Dzung L. Pham , Aaron Carass , Jerry L. Prince

Image and Point Clouds provide different information for robots. Finding the correspondences between data from different sensors is crucial for various tasks such as localization, mapping, and navigation. Learning-based descriptors have…

Computer Vision and Pattern Recognition · Computer Science 2022-06-27 Peng Jiang , Srikanth Saripalli

Towards automated retinal screening, this paper makes an endeavor to simultaneously achieve pixel-level retinal lesion segmentation and image-level disease classification. Such a multi-task approach is crucial for accurate and clinically…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Qijie Wei , Xirong Li , Weihong Yu , Xiao Zhang , Yongpeng Zhang , Bojie Hu , Bin Mo , Di Gong , Ning Chen , Dayong Ding , Youxin Chen

Quantitative bone single-photon emission computed tomography (QBSPECT) has the potential to provide a better quantitative assessment of bone metastasis than planar bone scintigraphy due to its ability to better quantify activity in…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Junyu Chen , Ye Li , Licia P. Luna , Hyun Woo Chung , Steven P. Rowe , Yong Du , Lilja B. Solnes , Eric C. Frey

Reducing network complexity has been a major research focus in recent years with the advent of mobile technology. Convolutional Neural Networks that perform various vision tasks without memory overhaul is the need of the hour. This paper…

Machine Learning · Computer Science 2019-08-30 Mayank Sharma , Suraj Tripathi , Abhimanyu Dubey , Jayadeva , Sai Guruju , Nihal Goalla

Due to the lack of a definitive ground truth for the image fusion problem, the loss functions are structured based on evaluation metrics, such as the structural similarity index measure (SSIM). However, in doing so, a bias is introduced…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Aytekin Erdogan , Erdem Akagündüz

Our team participate in the challenge of Task 1: Lesion Boundary Segmentation , and use a combined network, one of which is designed by ourselves named updcnn net and another is an improved VGG 16-layer net. Updcnn net uses reduced size…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Hongdiao Wen , Rongjian Xu , Tie Zhang

Deep learning has achieved remarkable success in medical image analysis, however its adoption in clinical practice is limited by a lack of interpretability. These models often make correct predictions without explaining their reasoning.…

Image and Video Processing · Electrical Eng. & Systems 2025-10-03 Jhonatan Contreras , Thomas Bocklitz

Lesion segmentation requires both speed and accuracy. In this paper, we propose a simple yet efficient network DSNet, which consists of a encoder based on Transformer and a convolutional neural network(CNN)-based distinct pyramid decoder…

Image and Video Processing · Electrical Eng. & Systems 2022-12-15 Yunxiao Liu

Medical image segmentation supports clinical workflows by precisely delineating anatomical structures and lesions. However, medical image datasets medical image datasets suffer from acquisition noise and annotation ambiguity, causing…

Artificial Intelligence · Computer Science 2026-04-14 Ruiyang Li , Fang Liu , Licheng Jiao , Xinglin Xie , Jiayao Hao , Shuo Li , Xu Liu , Jingyi Yang , Lingling Li , Puhua Chen , Wenping Ma