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The development of methods to estimate the severity of Ulcerative Colitis (UC) is of significant importance. However, these methods often suffer from domain shifts caused by differences in imaging devices and clinical settings across…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Takamasa Yamaguchi , Brian Kenji Iwana , Ryoma Bise , Shota Harada , Takumi Okuo , Kiyohito Tanaka , Kaito Shiku

Ulcerative colitis (UC) is a chronic inflammatory bowel disease characterized by relapsing inflammation of the large intestine. The severity of UC is often represented by the Mayo Endoscopic Subscore (MES) which quantifies mucosal disease…

Image and Video Processing · Electrical Eng. & Systems 2021-10-01 Evan Schwab , Gabriela Oana Cula , Kristopher Standish , Stephen S. F. Yip , Aleksandar Stojmirovic , Louis Ghanem , Christel Chehoud

Accurate assessment of disease severity from endoscopy videos in ulcerative colitis (UC) is crucial for evaluating drug efficacy in clinical trials. Severity is often measured by the Mayo Endoscopic Subscore (MES) and Ulcerative Colitis…

Ulcerative colitis (UC) classification, which is an important task for endoscopic diagnosis, involves two main difficulties. First, endoscopic images with the annotation about UC (positive or negative) are usually limited. Second, they show…

Image and Video Processing · Electrical Eng. & Systems 2023-03-03 Shota Harada , Ryoma Bise , Hideaki Hayashi , Kiyohito Tanaka , Seiichi Uchida

Endoscopic imaging is commonly used to diagnose Ulcerative Colitis (UC) and classify its severity. It has been shown that deep learning based methods are effective in automated analysis of these images and can potentially be used to aid…

Image and Video Processing · Electrical Eng. & Systems 2023-11-13 Ümit Mert Çağlar , Alperen İnci , Oğuz Hanoğlu , Görkem Polat , Alptekin Temizel

Ulcerative Colitis (UC) is an incurable inflammatory bowel disease that leads to ulcers along the large intestine and rectum. The increase in the prevalence of UC coupled with gastrointestinal physician shortages stresses the healthcare…

Image and Video Processing · Electrical Eng. & Systems 2024-12-12 Venkat Margapuri

Ulcerative colitis (UC) is one of the most common forms of inflammatory bowel disease (IBD) characterized by inflammation of the mucosal layer of the colon. Diagnosis of UC is based on clinical symptoms, and then confirmed based on…

Quantitative Methods · Quantitative Biology 2020-08-05 Hanieh Marvi Khorasani , Hamid Usefi , Lourdes Peña-Castillo

Automatic image-based severity estimation is an important task in computer-aided diagnosis. Severity estimation by deep learning requires a large amount of training data to achieve a high performance. In general, severity estimation uses…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Takeaki Kadota , Hideaki Hayashi , Ryoma Bise , Kiyohito Tanaka , Seiichi Uchida

Histologic assessment of ulcerative colitis (UC) activity is an important endpoint in clinical trials and routine care, but manual grading with indices such as the Nancy histological index (NHI) is time-consuming and prone to observer…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Adam Kukučka , Ondřej Fabián , Vít Musil , Tomáš Brázdil

Severity level estimation is a crucial task in medical image diagnosis. However, accurately assigning severity class labels to individual images is very costly and challenging. Consequently, the attached labels tend to be noisy. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Shumpei Takezaki , Kiyohito Tanaka , Seiichi Uchida

Ulcerative colitis (UC) is a chronic mucosal inflammatory condition that places patients at increased risk of colorectal cancer. Colonoscopic surveillance remains the gold standard for assessing disease activity, and reporting typically…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Noha Ghatwary , Jiangbei Yue , Ahmed Elgendy , Hanna Nagdy , Ahmed Galal , Hayam Fathy , Hussein El-Amin , Venkataraman Subramanian , Noor Mohammed , Gilberto Ochoa-Ruiz , Sharib Ali

Ulcerative Colitis (UC) is a chronic inflammatory bowel disease decreasing life quality through symptoms such as bloody diarrhoea and abdominal pain. Endoscopy is a cornerstone of diagnosis and monitoring of UC. The Mayo endoscopic subscore…

Image and Video Processing · Electrical Eng. & Systems 2024-04-16 Bjørn Leth Møller , Bobby Zhao Sheng Lo , Johan Burisch , Flemming Bendtsen , Ida Vind , Bulat Ibragimov , Christian Igel

We present a lesion-aware image captioning framework for ulcerative colitis (UC). The model integrates ResNet embeddings, Grad-CAM heatmaps, and CBAM-enhanced attention with a T5 decoder. Clinical metadata (MES score 0-3, vascular pattern,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Alexis Ivan Lopez Escamilla , Gilberto Ochoa , Sharib Al

Hispathological image segmentation algorithms play a critical role in computer aided diagnosis technology. The development of weakly supervised segmentation algorithm alleviates the problem of medical image annotation that it is…

Computer Vision and Pattern Recognition · Computer Science 2022-05-19 Ziniu Qian , Kailu Li , Maode Lai , Eric I-Chao Chang , Bingzheng Wei , Yubo Fan , Yan Xu

Disease severity regression by a convolutional neural network (CNN) for medical images requires a sufficient number of image samples labeled with severity levels. Conditional generative adversarial network (cGAN)-based data augmentation…

Image and Video Processing · Electrical Eng. & Systems 2023-02-27 Shumpei Takezaki , Kiyohito Tanaka , Seiichi Uchida , Takeaki Kadota

Estimating disease severity from endoscopic images is essential in assessing ulcerative colitis, where the Mayo Endoscopic Subscore (MES) is widely used to grade inflammation. However, MES classification remains challenging due to label…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Zeynep Ozdemir , Hacer Yalim Keles , Omer Ozgur Tanriover

An important task at the onset of a laparoscopic cholecystectomy (LC) operation is the inspection of gallbladder (GB) to evaluate the thickness of its wall, presence of inflammation and extent of fat. Difficulty in visualization of the GB…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 C. Loukas , A. Gazis , D. Schizas

Acute and chronic wounds are a challenge to healthcare systems around the world and affect many people's lives annually. Wound classification is a key step in wound diagnosis that would help clinicians to identify an optimal treatment…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Behrouz Rostami , D. M. Anisuzzaman , Chuanbo Wang , Sandeep Gopalakrishnan , Jeffrey Niezgoda , Zeyun Yu

Automatic image-based disease severity estimation generally uses discrete (i.e., quantized) severity labels. Annotating discrete labels is often difficult due to the images with ambiguous severity. An easier alternative is to use relative…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Takeaki Kadota , Hideaki Hayashi , Ryoma Bise , Kiyohito Tanaka , Seiichi Uchida

The detection of induced pluripotent stem cell (iPSC) colonies often needs the precise extraction of the colony features. However, existing computerized systems relied on segmentation of contours by preprocessing for classifying the colony…

Image and Video Processing · Electrical Eng. & Systems 2022-03-10 Novanto Yudistira , Muthu Subash Kavitha , Jeny Rajan , Takio Kurita
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