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Image reconstruction from insufficient data is common in computed tomography (CT), e.g., image reconstruction from truncated data, limited-angle data and sparse-view data. Deep learning has achieved impressive results in this field.…

Image and Video Processing · Electrical Eng. & Systems 2020-05-21 Yixing Huang , Alexander Preuhs , Michael Manhart , Guenter Lauritsch , Andreas Maier

Existing text recognition methods usually need large-scale training data. Most of them rely on synthetic training data due to the lack of annotated real images. However, there is a domain gap between the synthetic data and real data, which…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Mingkun Yang , Minghui Liao , Pu Lu , Jing Wang , Shenggao Zhu , Hualin Luo , Qi Tian , Xiang Bai

Recently, contrastive learning attracts increasing interests in neural text generation as a new solution to alleviate the exposure bias problem. It introduces a sequence-level training signal which is crucial to generation tasks that always…

Computation and Language · Computer Science 2023-02-06 Chenxin An , Jiangtao Feng , Kai Lv , Lingpeng Kong , Xipeng Qiu , Xuanjing Huang

Interpreting chest X-rays is inherently challenging due to the overlap between anatomical structures and the subtle presentation of many clinically significant pathologies, making accurate diagnosis time-consuming even for experienced…

Artificial Intelligence · Computer Science 2026-04-17 Shantam Srivastava , Mahesh Bhosale , David Doermann , Mingchen Gao

Detecting tampered text in document images is a challenging task due to data scarcity. To address this, previous work has attempted to generate tampered documents using rule-based methods. However, the resulting documents often suffer from…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Mohamed Dhouib , Davide Buscaldi , Sonia Vanier , Aymen Shabou

Instruction-tuned large language models have shown remarkable performance in aligning generated text with user intentions across various tasks. However, maintaining human-like discourse structure in the generated text remains a challenging…

Computation and Language · Computer Science 2023-12-20 Yinhong Liu , Yixuan Su , Ehsan Shareghi , Nigel Collier

Text generation is of great importance to many natural language processing applications. However, maximization-based decoding methods (e.g. beam search) of neural language models often lead to degenerate solutions -- the generated text is…

Computation and Language · Computer Science 2022-09-27 Yixuan Su , Tian Lan , Yan Wang , Dani Yogatama , Lingpeng Kong , Nigel Collier

The automatic generation of radiology reports has emerged as a promising solution to reduce a time-consuming task and accurately capture critical disease-relevant findings in X-ray images. Previous approaches for radiology report generation…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Sang-Jun Park , Keun-Soo Heo , Dong-Hee Shin , Young-Han Son , Ji-Hye Oh , Tae-Eui Kam

Medical image analysis tasks often focus on regions or structures located in a particular location within the patient's body. Often large parts of the image may not be of interest for the image analysis task. When using deep-learning based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Thomas Buddenkotte , Roland Opfer , Julia Krüger , Alessa Hering , Mireia Crispin-Ortuzar

Computed Tomography (CT) is an imaging technique where information about an object are collected at different angles (called projections or scans). Then the cross-sectional image showing the internal structure of the slice is produced by…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Zhengchun Liu , Rajkumar Kettimuthu , Ian Foster

Radiology reports are detailed text descriptions of the content of medical scans. Each report describes the presence/absence and location of relevant clinical findings, commonly including comparison with prior exams of the same patient to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Francesco Dalla Serra , Chaoyang Wang , Fani Deligianni , Jeffrey Dalton , Alison Q O'Neil

Recent text-to-image generative models, e.g., Stable Diffusion V3 and Flux, have achieved notable progress. However, these models are strongly restricted to their limited knowledge, a.k.a., their own fixed parameters, that are trained with…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Yuanhuiyi Lyu , Xu Zheng , Lutao Jiang , Yibo Yan , Xin Zou , Huiyu Zhou , Linfeng Zhang , Xuming Hu

Deep learning has advanced medical image classification, but interpretability challenges hinder its clinical adoption. This study enhances interpretability in Chest X-ray (CXR) classification by using concept bottleneck models (CBMs) and a…

Information Retrieval · Computer Science 2025-04-30 Hasan Md Tusfiqur Alam , Devansh Srivastav , Md Abdul Kadir , Daniel Sonntag

Large language models (LLMs), including zero-shot and few-shot paradigms, have shown promising capabilities in clinical text generation. However, real-world applications face two key challenges: (1) patient data is highly unstructured,…

Computation and Language · Computer Science 2025-07-10 Garapati Keerthana , Manik Gupta

Automatic delineation of organ-at-risk (OAR) and gross-tumor-volume (GTV) is of great significance for radiotherapy planning. However, it is a challenging task to learn powerful representations for accurate delineation under limited pixel…

Image and Video Processing · Electrical Eng. & Systems 2022-04-21 Jiacheng Wang , Xiaomeng Li , Yiming Han , Jing Qin , Liansheng Wang , Zhou Qichao

Radiology report generation (RRG) has attracted significant attention due to its potential to reduce the workload of radiologists. Current RRG approaches are still unsatisfactory against clinical standards. This paper introduces a novel RRG…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Zijian Zhou , Miaojing Shi , Meng Wei , Oluwatosin Alabi , Zijie Yue , Tom Vercauteren

We tackle open-world semantic segmentation, which aims at learning to segment arbitrary visual concepts in images, by using only image-text pairs without dense annotations. Existing open-world segmentation methods have shown impressive…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Junbum Cha , Jonghwan Mun , Byungseok Roh

This paper explores the task of radiology report generation, which aims at generating free-text descriptions for a set of radiographs. One significant challenge of this task is how to correctly maintain the consistency between the images…

Computation and Language · Computer Science 2023-06-13 Wenjun Hou , Kaishuai Xu , Yi Cheng , Wenjie Li , Jiang Liu

Brain CT report generation is significant to aid physicians in diagnosing cranial diseases. Recent studies concentrate on handling the consistency between visual and textual pathological features to improve the coherence of report. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Chengxin Zheng , Junzhong Ji , Yanzhao Shi , Xiaodan Zhang , Liangqiong Qu

Short text classification has gained significant attention in the information age due to its prevalence and real-world applications. Recent advancements in graph learning combined with contrastive learning have shown promising results in…

Computation and Language · Computer Science 2025-01-17 Yonghao Liu , Fausto Giunchiglia , Lan Huang , Ximing Li , Xiaoyue Feng , Renchu Guan