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Segmentation is a fundamental problem in surgical scene analysis using artificial intelligence. However, the inherent data scarcity in this domain makes it challenging to adapt traditional segmentation techniques for this task. To tackle…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Jay N. Paranjape , Nithin Gopalakrishnan Nair , Shameema Sikder , S. Swaroop Vedula , Vishal M. Patel

Iris presentation attack detection (PAD) has achieved remarkable success to ensure the reliability and security of iris recognition systems. Most existing methods exploit discriminative features in the spatial domain and report outstanding…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Yachun Li , Ying Lian , Jingjing Wang , Yuhui Chen , Chunmao Wang , Shiliang Pu

Unsupervised domain adaptation (UDA) is one of the key technologies to solve a problem where it is hard to obtain ground truth labels needed for supervised learning. In general, UDA assumes that all samples from source and target domains…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Satoshi Kondo

Medical image segmentation plays an important role in many image-guided clinical approaches. However, existing segmentation algorithms mostly rely on the availability of fully annotated images with pixel-wise annotations for training, which…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Yuyan Shi , Jialu Ma , Jin Yang , Shasha Wang , Yichi Zhang

Federated Domain Adaptation (FDA) is a federated learning (FL) approach that improves model performance at the target client by collaborating with source clients while preserving data privacy. FDA faces two primary challenges: domain shifts…

Machine Learning · Computer Science 2025-09-16 Mrinmay Sen , Ankita Das , Sidhant Nair , C Krishna Mohan

High-quality annotated data plays a crucial role in achieving accurate segmentation. However, such data for medical image segmentation are often scarce due to the time-consuming and labor-intensive nature of manual annotation. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Zhanwei Li , Liang Li , Jiawan Zhang

Deep learning-based diagnostic models often suffer performance drops due to distribution shifts between training (source) and test (target) domains. Collecting and labeling sufficient target domain data for model retraining represents an…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Yaofei Duan , Yuhao Huang , Xin Yang , Luyi Han , Xinyu Xie , Zhiyuan Zhu , Ping He , Ka-Hou Chan , Ligang Cui , Sio-Kei Im , Dong Ni , Tao Tan

Few-shot image generation (FSIG) aims to learn to generate new and diverse images given few (e.g., 10) training samples. Recent work has addressed FSIG by leveraging a GAN pre-trained on a large-scale source domain and adapting it to the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Yunqing Zhao , Keshigeyan Chandrasegaran , Milad Abdollahzadeh , Chao Du , Tianyu Pang , Ruoteng Li , Henghui Ding , Ngai-Man Cheung

Domain Adaptation (DA) is crucial for robust deployment of medical image segmentation models when applied to new clinical centers with significant domain shifts. Source-Free Domain Adaptation (SFDA) is appealing as it can deal with privacy…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Xinya Liu , Jianghao Wu , Tao Lu , Shaoting Zhang , Guotai Wang

Segmenting images is critical for visual understanding but demands extensive pixel-level annotations. Foundational models have enabled new paradigms for predicting new classes guided by textual prompts, without annotations from the target…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Gabriele Rosi , Fabio Cermelli , Carlo Masone , Barbara Caputo

For video models to be transferred and applied seamlessly across video tasks in varied environments, Video Unsupervised Domain Adaptation (VUDA) has been introduced to improve the robustness and transferability of video models. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Yuecong Xu , Jianfei Yang , Yunjiao Zhou , Zhenghua Chen , Min Wu , Xiaoli Li

Few-shot semantic segmentation has recently attracted great attention. The goal is to develop a model capable of segmenting unseen classes using only a few annotated samples. Most existing approaches adapt a pre-trained model by training…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Bernardo Forni , Gabriele Lombardi , Federico Pozzi , Mirco Planamente

While the Segment Anything Model (SAM) excels in semantic segmentation for general-purpose images, its performance significantly deteriorates when applied to medical images, primarily attributable to insufficient representation of medical…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Yiming Zhang , Tianang Leng , Kun Han , Xiaohui Xie

Domain adaptation (DA) has drawn high interest for its capacity to adapt a model trained on labeled source data to perform well on unlabeled or weakly labeled target data from a different domain. Most common DA techniques require concurrent…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Mathilde Bateson , Hoel Kervadec , Jose Dolz , Hervé Lombaert , Ismail Ben Ayed

Deep learning-based medical image segmentation faces significant challenges arising from limited labeled data and domain shifts. While prior approaches have primarily addressed these issues independently, their simultaneous occurrence is…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Zanting Ye , Ke Wang , Wenbing Lv , Qianjin Feng , Lijun Lu

Domain adaptation (DA) has drawn high interests for its capacity to adapt a model trained on labeled source data to perform well on unlabeled or weakly labeled target data from a different domain. Most common DA techniques require the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Mathilde Bateson , Hoel Kervadec , Jose Dolz , Herve Lombaert , Ismail Ben Ayed

Foundation models such as the recently introduced Segment Anything Model (SAM) have achieved remarkable results in image segmentation tasks. However, these models typically require user interaction through handcrafted prompts such as…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Mélanie Gaillochet , Christian Desrosiers , Hervé Lombaert

The main progress for action segmentation comes from densely-annotated data for fully-supervised learning. Since manual annotation for frame-level actions is time-consuming and challenging, we propose to exploit auxiliary unlabeled videos,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Min-Hung Chen , Baopu Li , Yingze Bao , Ghassan AlRegib

Few-shot image generation (FSIG) aims to learn to generate new and diverse samples given an extremely limited number of samples from a domain, e.g., 10 training samples. Recent work has addressed the problem using transfer learning…

Computer Vision and Pattern Recognition · Computer Science 2023-05-10 Yunqing Zhao , Keshigeyan Chandrasegaran , Milad Abdollahzadeh , Ngai-Man Cheung

In the analysis of optical coherence tomography angiography (OCTA) images, the operation of segmenting specific targets is necessary. Existing methods typically train on supervised datasets with limited samples (approximately a few…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Chengliang Wang , Xinrun Chen , Haojian Ning , Shiying Li