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Magnetic Resonance Imaging (MRI) is the primary imaging modality used in the diagnosis, assessment, and treatment planning for brain pathologies. However, most automated MRI analysis tools, such as segmentation and registration pipelines,…

Denoising Diffusion Probabilistic Models (DDPMs) have recently achieved remarkable results in conditional and unconditional image generation. The pre-trained models can be adapted without further training to different downstream tasks, by…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Asya Grechka , Guillaume Couairon , Matthieu Cord

Generative adversarial networks have been successfully applied to inpainting in natural images. However, the current state-of-the-art models have not yet been widely adopted in the medical imaging domain. In this paper, we investigate the…

Graphics · Computer Science 2018-09-06 Ecem Sogancioglu , Shi Hu , Davide Belli , Bram van Ginneken

Medical images often incorporate doctor-added markers that can hinder AI-based diagnosis. This issue highlights the need of inpainting techniques to restore the corrupted visual contents. However, existing methods require manual mask…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Xuechen Guo , Wenhao Hu , Chiming Ni , Wenhao Chai , Shiyan Li , Gaoang Wang

Motion artifact reduction is one of the important research topics in MR imaging, as the motion artifact degrades image quality and makes diagnosis difficult. Recently, many deep learning approaches have been studied for motion artifact…

Image and Video Processing · Electrical Eng. & Systems 2023-01-10 Gyutaek Oh , Jeong Eun Lee , Jong Chul Ye

An X-ray computed tomography (CT), metal artifact reduction (MAR) remains a major challenge because metallic implants violate standard CT forward-model assumptions, producing severe streaking and shadowing artifacts that degrade diagnostic…

Image and Video Processing · Electrical Eng. & Systems 2026-03-17 Hyoung Suk Park , Kiwan Jeon

Music Inpainting is the task of filling in missing or lost information in a piece of music. We investigate this task from an interactive music creation perspective. To this end, a novel deep learning-based approach for musical score…

Machine Learning · Computer Science 2020-04-14 Ashis Pati , Alexander Lerch , Gaëtan Hadjeres

Image inpainting aims at restoring missing region of corrupted images, which has many applications such as image restoration and object removal. However, current GAN-based inpainting models fail to explicitly consider the semantic…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Ang Li , Jianzhong Qi , Rui Zhang , Ramamohanarao Kotagiri

Optical projection tomography (OPT) is a powerful tool for biomedical studies. It achieves 3D visualization of mesoscopic biological samples with high spatial resolution using conventional tomographic-reconstruction algorithms. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Yan Liu , Jonathan Dong , Thanh-An Pham , Francois Marelli , Michael Unser

Deep learning (DL) has demonstrated its powerful capabilities in the field of image inpainting. The DL-based image inpainting approaches can produce visually plausible results, but often generate various unpleasant artifacts, especially in…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Haiwei Wu , Jiantao Zhou , Yuanman Li

Deep learning techniques have made considerable progress in image inpainting, restoration, and reconstruction in the last few years. Image outpainting, also known as image extrapolation, lacks attention and practical approaches to be…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Xi Wang , Weixi Cheng , Wenliang Jia

Computed tomography (CT) images containing metallic objects commonly show severe streaking and shadow artifacts. Metal artifacts are caused by nonlinear beam-hardening effects combined with other factors such as scatter and Poisson noise.…

Medical Physics · Physics 2017-08-02 Hyung Suk Park , Sung Min Lee , Hwa Pyung Kim , Jin Keun Seo

The new alternative is to use deep learning to inpaint any image by utilizing image classification and computer vision techniques. In general, image inpainting is a task of recreating or reconstructing any broken image which could be a…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Narayana Darapaneni , Vaibhav Kherde , Kameswara Rao , Deepali Nikam , Swanand Katdare , Anima Shukla , Anagha Lomate , Anwesh Reddy Paduri

Manipulating images of complex scenes to reconstruct, insert and/or remove specific object instances is a challenging task. Complex scenes contain multiple semantics and objects, which are frequently cluttered or ambiguous, thus hampering…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Pierfrancesco Ardino , Yahui Liu , Elisa Ricci , Bruno Lepri , Marco De Nadai

X-ray computed tomography (CT) reconstructs the internal morphology of a three dimensional object from a collection of projection images, most commonly using a single rotation axis. However, for objects containing dense materials like…

Image and Video Processing · Electrical Eng. & Systems 2024-06-27 Diyu Yang , Craig A. J. Kemp , Soumendu Majee , Gregery T. Buzzard , Charles A. Bouman

Computed tomography (CT) has been widely used for medical diagnosis, assessment, and therapy planning and guidance. In reality, CT images may be affected adversely in the presence of metallic objects, which could lead to severe metal…

Image and Video Processing · Electrical Eng. & Systems 2020-09-17 Lequan Yu , Zhicheng Zhang , Xiaomeng Li , Lei Xing

Inpainting is a learned interpolation technique that is based on generative modeling and used to populate masked or missing pieces in an image; it has wide applications in picture editing and retouching. Recently, inpainting started being…

Machine Learning · Computer Science 2021-06-02 David Khachaturov , Ilia Shumailov , Yiren Zhao , Nicolas Papernot , Ross Anderson

Eye movements, blinking and other motion during the acquisition of optical coherence tomography (OCT) can lead to artifacts, when processed to OCT angiography (OCTA) images. Affected scans emerge as high intensity (white) or missing (black)…

Image and Video Processing · Electrical Eng. & Systems 2020-01-09 Julian Hossbach , Lennart Husvogt , Martin F. Kraus , James G. Fujimoto , Andreas K. Maier

Inpainting shadowed regions cast by superficial blood vessels in retinal optical coherence tomography (OCT) images is critical for accurate and robust machine analysis and clinical diagnosis. Traditional sequence-based approaches such as…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Yaoqi Tang , Yufan Li , Hongshan Liu , Jiaxuan Li , Peiyao Jin , Yu Gan , Yuye Ling , Yikai Su

4D CT imaging is an essential component of radiotherapy of thoracic/abdominal tumors. 4D CT images are, however, often affected by artifacts that compromise treatment planning quality. In this work, deep learning (DL)-based conditional…

Medical Physics · Physics 2024-11-26 Frederic Madesta , Thilo Sentker , Tobias Gauer , Rene Werner