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The cycleGAN is becoming an influential method in medical image synthesis. However, due to a lack of direct constraints between input and synthetic images, the cycleGAN cannot guarantee structural consistency between these two images, and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-13 Heran Yang , Jian Sun , Aaron Carass , Can Zhao , Junghoon Lee , Zongben Xu , Jerry Prince

Variations of deep neural networks such as convolutional neural network (CNN) have been successfully applied to image denoising. The goal is to automatically learn a mapping from a noisy image to a clean image given training data consisting…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Tianyang Wang , Mingxuan Sun , Kaoning Hu

Neural audio super-resolution models are typically trained on low- and high-resolution audio signal pairs. Although these methods achieve highly accurate super-resolution if the acoustic characteristics of the input data are similar to…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-28 Reo Yoneyama , Ryuichi Yamamoto , Kentaro Tachibana

Recently, Self-supervised learning methods able to perform image denoising without ground truth labels have been proposed. These methods create low-quality images by adding random or Gaussian noise to images and then train a model for…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Dongkyu Won , Euijin Jung , Sion An , Philip Chikontwe , Sang Hyun Park

Convolutional neural network (CNN)-based image denoising methods typically estimate the noise component contained in a noisy input image and restore a clean image by subtracting the estimated noise from the input. However, previous…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Kaito Imai , Takamichi Miyata

Discriminative model learning for image denoising has been recently attracting considerable attentions due to its favorable denoising performance. In this paper, we take one step forward by investigating the construction of feed-forward…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Kai Zhang , Wangmeng Zuo , Yunjin Chen , Deyu Meng , Lei Zhang

Deep learning methods have shown remarkable performance in image denoising, particularly when trained on large-scale paired datasets. However, acquiring such paired datasets for real-world scenarios poses a significant challenge. Although…

Image and Video Processing · Electrical Eng. & Systems 2023-08-15 Xin Lin , Chao Ren , Xiao Liu , Jie Huang , Yinjie Lei

Raman spectroscopy can provide insight into the molecular composition of cells and tissue. Consequently, it can be used as a powerful diagnostic tool, e.g. to help identify changes in molecular contents with the onset of disease. But robust…

Medical Physics · Physics 2023-08-02 Ciaran Bench , Mads S. Bergholt , Mohamed Ali al-Badri

In recent years, the development of deep learning has been pushing image denoising to a new level. Among them, self-supervised denoising is increasingly popular because it does not require any prior knowledge. Most of the existing…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Dan Zhang , Fangfang Zhou

Wearable electrocardiogram (ECG) measurement using dry electrodes has a problem with high-intensity noise distortion. Hence, a robust noise reduction method is required. However, overlapping frequency bands of ECG and noise make noise…

Signal Processing · Electrical Eng. & Systems 2025-01-14 Takamasa Terada , Masahiro Toyoura

Electrocardiographic signal is a subject to multiple noises, caused by various factors. It is therefore a standard practice to denoise such signal before further analysis. With advances of new branch of machine learning, called deep…

Neural and Evolutionary Computing · Computer Science 2019-01-18 Karol Antczak

For the lack of adequate paired noisy-clean speech corpus in many real scenarios, non-parallel training is a promising task for DNN-based speech enhancement methods. However, because of the severe mismatch between input and target speeches,…

Sound · Computer Science 2022-02-15 Guochen Yu , Andong Li , Yutian Wang , Yinuo Guo , Hui Wang , Chengshi Zheng

We present a novel conditional Generative Adversarial Network (cGAN) architecture that is capable of generating 3D Computed Tomography scans in voxels from noisy and/or pixelated approximations and with the potential to generate full…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Jayalakshmi Mangalagiri , David Chapman , Aryya Gangopadhyay , Yaacov Yesha , Joshua Galita , Sumeet Menon , Yelena Yesha , Babak Saboury , Michael Morris , Phuong Nguyen

Synthesizing high quality saliency maps from noisy images is a challenging problem in computer vision and has many practical applications. Samples generated by existing techniques for saliency detection cannot handle the noise perturbations…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Prerana Mukherjee , Manoj Sharma , Megh Makwana , Ajay Pratap Singh , Avinash Upadhyay , Akkshita Trivedi , Brejesh Lall , Santanu Chaudhury

Popular neural network-based speech enhancement systems operate on the magnitude spectrogram and ignore the phase mismatch between the noisy and clean speech signals. Conditional generative adversarial networks (cGANs) show promise in…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-21 Deepak Baby

Images captured from the real world are often affected by different types of noise, which can significantly impact the performance of Computer Vision systems and the quality of visual data. This study presents a novel approach for defect…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Mohsen Hami , Mahdi JameBozorg

Removing noise from images is a challenging and fundamental problem in the field of computer vision. Images captured by modern cameras are inevitably degraded by noise which limits the accuracy of any quantitative measurements on those…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Nikhil Verma , Deepkamal Kaur , Lydia Chau

Low-dose computed tomography (CT) has attracted a major attention in the medical imaging field, since CT-associated x-ray radiation carries health risks for patients. The reduction of CT radiation dose, however, compromises the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Hongming Shan , Yi Zhang , Qingsong Yang , Uwe Kruger , Mannudeep K. Kalra , Ling Sun , Wenxiang Cong , Ge Wang

Real noisy-clean pairs on a large scale are costly and difficult to obtain. Meanwhile, supervised denoisers trained on synthetic data perform poorly in practice. Self-supervised denoisers, which learn only from single noisy images, solve…

Image and Video Processing · Electrical Eng. & Systems 2023-05-09 Zejin Wang , Jiazheng Liu , Guoqing Li , Hua Han

Existing deep learning-based speech denoising approaches require clean speech signals to be available for training. This paper presents a deep learning-based approach to improve speech denoising in real-world audio environments by not…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-25 Nasim Alamdari , Arian Azarang , Nasser Kehtarnavaz
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