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In this paper, we present a deep-learning method to filter out effects such as ambient noise, reflections, or source directivity from microphone array data represented as cross-spectral matrices. Specifically, we focus on a generative…

声音 · 计算机科学 2025-03-03 Christof Puhle

Diffusion models have shown an impressive ability to model complex data distributions, with several key advantages over GANs, such as stable training, better coverage of the training distribution's modes, and the ability to solve inverse…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Yinbo Chen , Oliver Wang , Richard Zhang , Eli Shechtman , Xiaolong Wang , Michael Gharbi

Staining is critical to cell imaging and medical diagnosis, which is expensive, time-consuming, labor-intensive, and causes irreversible changes to cell tissues. Recent advances in deep learning enabled digital staining via supervised model…

图像与视频处理 · 电气工程与系统科学 2023-03-06 Ziwang Xu , Lanqing Guo , Shuyan Zhang , Alex C. Kot , Bihan Wen

Deep learning has been broadly applied to imaging in scattering applications. A common framework is to train a descattering network for image recovery by removing scattering artifacts. To achieve the best results on a broad spectrum of…

图像与视频处理 · 电气工程与系统科学 2022-02-25 Waleed Tahir , Hao Wang , Lei Tian

Deep generative models have shown promising results in generating realistic images, but it is still non-trivial to generate images with complicated structures. The main reason is that most of the current generative models fail to explore…

机器学习 · 计算机科学 2018-07-12 Kun Xu , Haoyu Liang , Jun Zhu , Hang Su , Bo Zhang

Existing GAN inversion and editing methods work well for aligned objects with a clean background, such as portraits and animal faces, but often struggle for more difficult categories with complex scene layouts and object occlusions, such as…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Gaurav Parmar , Yijun Li , Jingwan Lu , Richard Zhang , Jun-Yan Zhu , Krishna Kumar Singh

Sensing and manipulating targets hidden under scattering media are universal problems that take place in applications ranging from deep-tissue optical imaging to laser surgery. A major issue in these applications is the shallow light…

Three-dimensional (3D) high-resolution imaging is essential in microscopy, yet light scattering poses significant challenges in achieving it. Here, we present an approach to holographic imaging of spatially incoherent objects through…

光学 · 物理学 2025-02-04 YoonSeok Baek , Hilton B. de Aguiar , Sylvain Gigan

In turbid media, scattering of light scrambles information of the incident beam and represents an obstacle to optical imaging. Noninvasive imaging through opaque layers is challenging for dynamic and wide-field objects due to unreliable…

光学 · 物理学 2018-10-17 Yuan Yuan , Hui Chen

Generative adversarial networks (GANs) are frequently utilized in astronomy to construct an emulator of numerical simulations. Nevertheless, training GANs can prove to be a precarious task, as they are prone to instability and often lead to…

天体物理仪器与方法 · 物理学 2023-11-14 Xiaosheng Zhao , Yuan-Sen Ting , Kangning Diao , Yi Mao

Unsupervised learning of generative models has seen tremendous progress over recent years, in particular due to generative adversarial networks (GANs), variational autoencoders, and flow-based models. GANs have dramatically improved sample…

计算机视觉与模式识别 · 计算机科学 2020-01-06 Thomas Lucas , Konstantin Shmelkov , Karteek Alahari , Cordelia Schmid , Jakob Verbeek

Optically focusing and imaging through strongly scattering media are challenging tasks but have widespread applications from scientific research to biomedical applications and daily life. Benefiting from the memory effect (ME) for speckle…

光学 · 物理学 2021-09-17 Sujit Kumar Sahoo , Dongliang Tang , Cuong Dang

The accuracy of the object detection model depends on whether the anchor boxes effectively trained. Because of the small number of GT boxes or object target is invariant in the training phase, cannot effectively train anchor boxes.…

计算机视觉与模式识别 · 计算机科学 2019-03-06 Wei Jiang , Na Ying

Removing blur caused by camera shake in images has always been a challenging problem in computer vision literature due to its ill-posed nature. Motion blur caused due to the relative motion between the camera and the object in 3D space…

计算机视觉与模式识别 · 计算机科学 2017-09-12 Sainandan Ramakrishnan , Shubham Pachori. Aalok Gangopadhyay , Shanmuganathan Raman

We propose a novel spectral generative model for image synthesis that departs radically from the common variational, adversarial, and diffusion paradigms. In our approach, images, after being flattened into one-dimensional signals, are…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Andrew Kiruluta

Recent advances in Generative Adversarial Networks (GANs) have led to the creation of realistic-looking digital images that pose a major challenge to their detection by humans or computers. GANs are used in a wide range of tasks, from…

图像与视频处理 · 电气工程与系统科学 2020-07-22 Michael Goebel , Lakshmanan Nataraj , Tejaswi Nanjundaswamy , Tajuddin Manhar Mohammed , Shivkumar Chandrasekaran , B. S. Manjunath

Existing unpaired low-light image enhancement approaches prefer to employ the two-way GAN framework, in which two CNN generators are deployed for enhancement and degradation separately. However, such data-driven models ignore the inherent…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Jize Zhang , Haolin Wang , Xiaohe Wu , Wangmeng Zuo

In recent years, image classification, as a core task in computer vision, relies on high-quality labelled data, which restricts the wide application of deep learning models in practical scenarios. To alleviate the problem of insufficient…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Jiyu Hu , Haijiang Zeng , Zhen Tian

Video streams are utilised to guide minimally-invasive surgery and diagnostic procedures in a wide range of procedures, and many computer assisted techniques have been developed to automatically analyse them. These approaches can provide…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Rema Daher , Francisco Vasconcelos , Danail Stoyanov

We introduce a two-layer wavelet scattering network, for object classification. This scattering transform computes a spatial wavelet transform on the first layer and a new joint wavelet transform along spatial, angular and scale variables…

计算机视觉与模式识别 · 计算机科学 2014-03-11 Edouard Oyallon , Stéphane Mallat , Laurent Sifre