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To address prevalent issues in medical imaging, such as data acquisition challenges and label availability, transfer learning from natural to medical image domains serves as a viable strategy to produce reliable segmentation results.…

Image and Video Processing · Electrical Eng. & Systems 2023-11-15 Hao Li , Han Liu , Dewei Hu , Jiacheng Wang , Ipek Oguz

Optimal Maximum Likelihood (ML), narrow-band direction finding cannot be easily initialized in coherent and low signal to noise ratio environments. Sparse under-determined solvers are considered as viable solutions to this problem, since…

Signal Processing · Electrical Eng. & Systems 2019-09-17 Elio D. Di Claudio , Raffaele Parisi , Giovanni Jacovitti

Automated polyp segmentation is critical for early colorectal cancer detection and its prevention, yet remains challenging due to weak boundaries, large appearance variations, and limited annotated data. Lightweight segmentation models such…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Shivanshu Agnihotri , Snehashis Majhi , Deepak Ranjan Nayak

The Segment Anything Model (SAM) can achieve satisfactory segmentation performance under high-quality box prompts. However, SAM's robustness is compromised by the decline in box quality, limiting its practicality in clinical reality. In…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Yuhao Huang , Xin Yang , Han Zhou , Yan Cao , Haoran Dou , Fajin Dong , Dong Ni

Accurate segmentation is essential for echocardiography-based assessment of cardiovascular diseases (CVDs). However, the variability among sonographers and the inherent challenges of ultrasound images hinder precise segmentation. By…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Rabin Adhikari , Manish Dhakal , Safal Thapaliya , Kanchan Poudel , Prasiddha Bhandari , Bishesh Khanal

We introduce Medal S, a medical segmentation foundation model that supports native-resolution spatial and textual prompts within an end-to-end trainable framework. Unlike text-only methods lacking spatial awareness, Medal S achieves…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Pengcheng Shi , Jiawei Chen , Jiaqi Liu , Xinglin Zhang , Tao Chen , Lei Li

Automated nodule segmentation is essential for computer-assisted diagnosis in ultrasound images. Nevertheless, most existing methods depend on precise pixel-level annotations by medical professionals, a process that is both costly and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Xingyue Zhao , Peiqi Li , Xiangde Luo , Meng Yang , Shi Chang , Zhongyu Li

Recent advancements in large foundation models have shown promising potential in the medical industry due to their flexible prompting capability. One such model, the Segment Anything Model (SAM), a prompt-driven segmentation model, has…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Qi Wu , Yuyao Zhang , Marawan Elbatel

This study presents a novel multimodal medical image zero-shot segmentation algorithm named the text-visual-prompt segment anything model (TV-SAM) without any manual annotations. The TV-SAM incorporates and integrates the large language…

Text-driven video generation witnesses rapid progress. However, merely using text prompts is not enough to depict the desired subject appearance that accurately aligns with users' intents, especially for customized content creation. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Yuming Jiang , Tianxing Wu , Shuai Yang , Chenyang Si , Dahua Lin , Yu Qiao , Chen Change Loy , Ziwei Liu

Promptable foundation models, particularly Segment Anything Model (SAM), have emerged as a promising alternative to the traditional task-specific supervised learning for image segmentation. However, many evaluation studies have found that…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Rachana Sathish , Rahul Venkataramani , K S Shriram , Prasad Sudhakar

Purpose: Endoscopic surgical environments present challenges for dissection zone segmentation due to unclear boundaries between tissue types, leading to segmentation errors where models misidentify or overlook edges. This study aims to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Mengya Xu , Wenjin Mo , Guankun Wang , Huxin Gao , An Wang , Zhen Li , Xiaoxiao Yang , Hongliang Ren

In semantic segmentation, accurate prediction masks are crucial for downstream tasks such as medical image analysis and image editing. Due to the lack of annotated data, few-shot semantic segmentation (FSS) performs poorly in predicting…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Chen-Bin Feng , Qi Lai , Kangdao Liu , Houcheng Su , Chi-Man Vong

Deep learning relies heavily on data augmentation to mitigate limited data, especially in medical imaging. Recent multimodal learning integrates text and images for segmentation, known as referring or text-guided image segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Shurong Chai , Rahul Kumar JAIN , Rui Xu , Shaocong Mo , Ruibo Hou , Shiyu Teng , Jiaqing Liu , Lanfen Lin , Yen-Wei Chen

Medical image segmentation is a vital healthcare endeavor requiring precise and efficient models for appropriate diagnosis and treatment. Vision transformer (ViT)-based segmentation models have shown great performance in accomplishing this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Numan Saeed , Muhammad Ridzuan , Roba Al Majzoub , Mohammad Yaqub

Diffusion-model-based image super-resolution techniques often face a trade-off between realistic image generation and computational efficiency. This issue is exacerbated when inference times by decreasing sampling steps, resulting in less…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Aradhana Mishra , Bumshik Lee

While text-driven diffusion models demonstrate remarkable performance in image editing, the critical components of their text embeddings remain underexplored. The ambiguity and entanglement of these embeddings pose challenges for precise…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Yitong Yang , Yinglin Wang , Tian Zhang , Jing Wang , Shuting He

Weakly-supervised medical image segmentation is a challenging task that aims to reduce the annotation cost while keep the segmentation performance. In this paper, we present a novel framework, SimTxtSeg, that leverages simple text cues to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Yuxin Xie , Tao Zhou , Yi Zhou , Geng Chen

Dense prediction models are widely used for image segmentation. One important challenge is to sufficiently train these models to yield good generalizations for hard-to-learn pixels. A typical group of such hard-to-learn pixels are…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Gozde Nur Gunesli , Cenk Sokmensuer , Cigdem Gunduz-Demir

Pathology image segmentation is crucial in computational pathology for analyzing histological features relevant to cancer diagnosis and prognosis. However, current methods face major challenges in clinical applications due to limited…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Zhixuan Chen , Junlin Hou , Liqi Lin , Yihui Wang , Yequan Bie , Xi Wang , Yanning Zhou , Ronald Cheong Kin Chan , Hao Chen