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Polyp segmentation is a crucial step towards computer-aided diagnosis of colorectal cancer. However, most of the polyp segmentation methods require pixel-wise annotated datasets. Annotated datasets are tedious and time-consuming to produce,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Guangyu Ren , Michalis Lazarou , Jing Yuan , Tania Stathaki

Nonuniform rotational distortion (NURD) correction is vital for endoscopic optical coherence tomography (OCT) imaging and its functional extensions, such as angiography and elastography. Current NURD correction methods require…

Image and Video Processing · Electrical Eng. & Systems 2024-01-08 Haoran Zhang , Jianlong Yang , Jingqian Zhang , Shiqing Zhao , Aili Zhang

Training deep neural networks reliably requires access to large-scale datasets. However, obtaining such datasets can be challenging, especially in the context of neuroimaging analysis tasks, where the cost associated with image acquisition…

Segmentation maps of medical images annotated by medical experts contain rich spatial information. In this paper, we propose to decompose annotation maps to learn disentangled and richer feature transforms for segmentation problems in…

Image and Video Processing · Electrical Eng. & Systems 2019-06-10 Yizhe Zhang , Michael T. C. Ying , Danny Z. Chen

Optical Coherence Tomography Angiography (OCTA) is a non-invasive imaging technique that provides high-resolution cross-sectional images of the retina, which are useful for diagnosing and monitoring various retinal diseases. However, manual…

Image and Video Processing · Electrical Eng. & Systems 2023-11-07 Can Koz , Onat Dalmaz , Mertay Dayanc

Non-destructive testing (NDT) is essential in ceramic manufacturing to ensure the quality of components without compromising their integrity. In this context, Optical Coherence Tomography (OCT) enables high-resolution internal imaging,…

One of the key challenges in the battle against the Coronavirus (COVID-19) pandemic is to detect and quantify the severity of the disease in a timely manner. Computed tomographies (CT) of the lungs are effective for assessing the state of…

Image and Video Processing · Electrical Eng. & Systems 2020-07-15 Issam Laradji , Pau Rodriguez , Frederic Branchaud-Charron , Keegan Lensink , Parmida Atighehchian , William Parker , David Vazquez , Derek Nowrouzezahrai

As research interests in medical image analysis become increasingly fine-grained, the cost for extensive annotation also rises. One feasible way to reduce the cost is to annotate with coarse-grained superclass labels while using limited…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Linrui Dai , Wenhui Lei , Xiaofan Zhang

Precise delineation of multiple organs or abnormal regions in the human body from medical images plays an essential role in computer-aided diagnosis, surgical simulation, image-guided interventions, and especially in radiotherapy treatment…

Image and Video Processing · Electrical Eng. & Systems 2024-11-19 Shiman Li , Haoran Wang , Yucong Meng , Chenxi Zhang , Zhijian Song

The automatic detection and localization of anatomical features in retinal imaging data are relevant for many aspects. In this work, we follow a data-centric approach to optimize classifier training for optic nerve head detection and…

Image and Video Processing · Electrical Eng. & Systems 2022-08-09 Thomas Schlegl , Heiko Stino , Michael Niederleithner , Andreas Pollreisz , Ursula Schmidt-Erfurth , Wolfgang Drexler , Rainer A. Leitgeb , Tilman Schmoll

Transfer learning leverages pre-trained model features from a large dataset to save time and resources when training new models for various tasks, potentially enhancing performance. Due to the lack of large datasets in the medical imaging…

Image and Video Processing · Electrical Eng. & Systems 2023-11-10 Gabriel Efrain Humpire-Mamani , Colin Jacobs , Mathias Prokop , Bram van Ginneken , Nikolas Lessmann

Machine learning relies heavily on data, yet the continuous growth of real-world data poses challenges for efficient dataset construction and training. A fundamental yet unsolved question is: given our current model and data, does a new…

Machine Learning · Computer Science 2025-06-23 Ziheng Qin , Hailun Xu , Wei Chee Yew , Qi Jia , Yang Luo , Kanchan Sarkar , Danhui Guan , Kai Wang , Yang You

Recent studies have demonstrated the superiority of deep learning in medical image analysis, especially in cell instance segmentation, a fundamental step for many biological studies. However, the excellent performance of the neural networks…

Image and Video Processing · Electrical Eng. & Systems 2022-10-25 Huaqian Wu , Nicolas Souedet , Caroline Jan , Cédric Clouchoux , Thierry Delzescaux

Automating the annotation of scanned documents is challenging, requiring a balance between computational efficiency and accuracy. DocParseNet addresses this by combining deep learning and multi-modal learning to process both text and visual…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Ahmad Mohammadshirazi , Ali Nosrati Firoozsalari , Mengxi Zhou , Dheeraj Kulshrestha , Rajiv Ramnath

Active learning algorithms have become increasingly popular for training models with limited data. However, selecting data for annotation remains a challenging problem due to the limited information available on unseen data. To address this…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Md Abdul Kadir , Hasan Md Tusfiqur Alam , Daniel Sonntag

Deep neural networks are commonly used for automated medical image segmentation, but models will frequently struggle to generalize well across different imaging modalities. This issue is particularly problematic due to the limited…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Malo de Boisredon , Eugene Vorontsov , William Trung Le , Samuel Kadoury

In this paper, we aim to improve the performance of a deep learning model towards image classification tasks, proposing a novel anchor-based training methodology, named \textit{Online Anchor-based Training} (OAT). The OAT method, guided by…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Maria Tzelepi , Vasileios Mezaris

Pixel-wise annotations are notoriously labourious and costly to obtain in the medical domain. To mitigate this burden, weakly supervised approaches based on bounding box annotations-much easier to acquire-offer a practical alternative.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Mélanie Gaillochet , Mehrdad Noori , Sahar Dastani , Christian Desrosiers , Hervé Lombaert

Semantic image segmentation is one of the most important tasks in medical image analysis. Most state-of-the-art deep learning methods require a large number of accurately annotated examples for model training. However, accurate annotation…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Ning Zhang , Susan Francis , Rayaz Malik , Xin Chen

Many recent delineation techniques owe much of their increased effectiveness to path classification algorithms that make it possible to distinguish promising paths from others. The downside of this development is that they require annotated…

Computer Vision and Pattern Recognition · Computer Science 2015-12-03 Agata Mosinska , Raphael Sznitman , Przemysław Głowacki , Pascal Fua