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Dual-energy computed tomography (DECT) has been widely used to obtain quantitative elemental composition of imaged subjects for personalized and precise medical diagnosis. Compared with DECT leveraging advanced X-ray source and/or detector…

Medical Physics · Physics 2024-08-28 Qiaoxin Li , Ruifeng Chen , Peng Wang , Guotao Quan , Yanfeng Du , Dong Liang , Yinsheng Li

In this paper we present a methodology that uses convolutional neural networks (CNNs) for segmentation by iteratively growing predicted mask regions in each coordinate direction. The CNN is used to predict class probability scores in a…

Image and Video Processing · Electrical Eng. & Systems 2020-09-25 John Lagergren , Erica Rutter , Kevin Flores

Supervised fine-tuning (SFT) improves in-domain performance but can degrade out-of-domain (OOD) generalization. Prior work suggests that this degradation is related to changes in dominant singular subspaces of pretrained weight matrices.…

Machine Learning · Computer Science 2026-05-13 Hangzhan Jin , Tianwei Ni , Lu Li , Pierre-Luc Bacon , Mohammad Hamdaqa , Doina Precup

The absence of real targets to guide the model training is one of the main problems with the makeup transfer task. Most existing methods tackle this problem by synthesizing pseudo ground truths (PGTs). However, the generated PGTs are often…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Zhaoyang Sun , Shengwu Xiong , Yaxiong Chen , Yi Rong

In Sequential Recommendation Systems (SRecsys), traditional training approaches that rely on Cross-Entropy (CE) loss often prioritize accuracy but fail to align well with user satisfaction metrics. CE loss focuses on maximizing the…

Information Retrieval · Computer Science 2025-02-21 Chen Wang , Fangxin Wang , Ruocheng Guo , Yueqing Liang , Philip S. Yu

Panoptic segmentation is an important computer vision task, where the current state-of-the-art solutions require specialized components to perform well. We propose a simple generalist framework based on a deep encoder - shallow decoder…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Nedyalko Prisadnikov , Wouter Van Gansbeke , Danda Pani Paudel , Luc Van Gool

Deep learning is dramatically transforming the field of medical imaging and radiology, enabling the identification of pathologies in medical images, including computed tomography (CT) and X-ray scans. However, the performance of deep…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Dmytro Shvetsov , Joonas Ariva , Marharyta Domnich , Raul Vicente , Dmytro Fishman

Fine-grained visual categorization (FGVC), which aims at classifying objects with small inter-class variances, has been significantly advanced in recent years. However, ultra-fine-grained visual categorization (ultra-FGVC), which targets at…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Yajie Sun , Miaohua Zhang , Xiaohan Yu , Yi Liao , Yongsheng Gao

Image segmentation is a fundamental task in the field of imaging and vision. Supervised deep learning for segmentation has achieved unparalleled success when sufficient training data with annotated labels are available. However, annotation…

Image and Video Processing · Electrical Eng. & Systems 2023-04-10 Hongrun Zhang , Liam Burrows , Yanda Meng , Declan Sculthorpe , Abhik Mukherjee , Sarah E Coupland , Ke Chen , Yalin Zheng

We present Generative Semantic Segmentation (GSS), a generative learning approach for semantic segmentation. Uniquely, we cast semantic segmentation as an image-conditioned mask generation problem. This is achieved by replacing the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Jiaqi Chen , Jiachen Lu , Xiatian Zhu , Li Zhang

Non-contrast computed tomography (NCCT) is commonly acquired for lung cancer screening, assessment of general abdominal pain or suspected renal stones, trauma evaluation, and many other indications. However, the absence of contrast limits…

Image and Video Processing · Electrical Eng. & Systems 2022-05-13 Ho Hin Lee , Yucheng Tang , Riqiang Gao , Qi Yang , Xin Yu , Shunxing Bao , James G. Terry , J. Jeffrey Carr , Yuankai Huo , Bennett A. Landman

We study conformal field theories (CFTs) on curved spaces including both orientable and unorientable manifolds possibly with boundaries. We first review conformal transformations on curved manifolds. We then compute the identity components…

High Energy Physics - Theory · Physics 2023-02-24 Ken Kikuchi

Text-guided Medical Image Segmentation has shown considerable promise for medical image segmentation, with rich clinical text serving as an effective supplement for scarce data. However, current methods have two key bottlenecks. On one…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Linglin Liao , Qichuan Geng , Yu Liu

Cone-Beam Computed Tomography (CBCT) is widely used for real-time intraoperative imaging due to its low radiation dose and high acquisition speed. However, despite its high resolution, CBCT suffers from significant artifacts and thereby…

Image and Video Processing · Electrical Eng. & Systems 2025-06-11 Maximilian Tschuchnig , Lukas Lamminger , Philipp Steininger , Michael Gadermayr

We describe a method that predicts, from a single RGB image, a depth map that describes the scene when a masked object is removed - we call this "counterfactual depth" that models hidden scene geometry together with the observations. Our…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Theerasit Issaranon , Chuhang Zou , David Forsyth

This paper presents a new regularization method to train a fully convolutional network for semantic tissue segmentation in histopathological images. This method relies on the benefit of unsupervised learning, in the form of image…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 C. T. Sari , C. Sokmensuer , C. Gunduz-Demir

We propose a novel transformer model, capable of segmenting medical images of varying modalities. Challenges posed by the fine grained nature of medical image analysis mean that the adaptation of the transformer for their analysis is still…

Image and Video Processing · Electrical Eng. & Systems 2023-01-31 Athanasios Tragakis , Chaitanya Kaul , Roderick Murray-Smith , Dirk Husmeier

Source-free test-time adaptation for medical image segmentation aims to enhance the adaptability of segmentation models to diverse and previously unseen test sets of the target domain, which contributes to the generalizability and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-19 Yanyu Ye , Zhenxi Zhang , Wei Wei , Chunna Tian

Current medical image segmentation approaches have limitations in deeply exploring multi-scale information and effectively combining local detail textures with global contextual semantic information. This results in over-segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Zhenkun Lu , Chaoyin She , Wei Wang , Qinghua Huang

Individual tooth segmentation from cone beam computed tomography (CBCT) images is an essential prerequisite for an anatomical understanding of orthodontic structures in several applications, such as tooth reformation planning and implant…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Minyoung Chung , Minkyung Lee , Jioh Hong , Sanguk Park , Jusang Lee , Jingyu Lee , Jeongjin Lee , Yeong-Gil Shin
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