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Convolutional neural networks are able to learn realistic image priors from numerous training samples in low-level image generation and restoration. We show that, for high-level image recognition tasks, we can further reconstruct…

计算机视觉与模式识别 · 计算机科学 2021-01-22 Xiangyu He , Qinghao Hu , Peisong Wang , Jian Cheng

The advent of large-scale training has produced a cornucopia of powerful visual recognition models. However, generative models, such as GANs, have traditionally been trained from scratch in an unsupervised manner. Can the collective…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Nupur Kumari , Richard Zhang , Eli Shechtman , Jun-Yan Zhu

Generative Adversarial Networks (GAN) have attracted much research attention recently, leading to impressive results for natural image generation. However, to date little success was observed in using GAN generated images for improving…

计算机视觉与模式识别 · 计算机科学 2017-11-15 Xinlong Wang , Zhipeng Man , Mingyu You , Chunhua Shen

Training of Generative Adversarial Network (GAN) on a video dataset is a challenge because of the sheer size of the dataset and the complexity of each observation. In general, the computational cost of training GAN scales exponentially with…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Masaki Saito , Shunta Saito , Masanori Koyama , Sosuke Kobayashi

Despite an impressive performance from the latest GAN for generating hyper-realistic images, GAN discriminators have difficulty evaluating the quality of an individual generated sample. This is because the task of evaluating the quality of…

图像与视频处理 · 电气工程与系统科学 2019-12-03 Xiru Zhu , Fengdi Che , Tianzi Yang , Tzuyang Yu , David Meger , Gregory Dudek

There remains an important need for the development of image reconstruction methods that can produce diagnostically useful images from undersampled measurements. In magnetic resonance imaging (MRI), for example, such methods can facilitate…

图像与视频处理 · 电气工程与系统科学 2021-06-28 Varun A. Kelkar , Sayantan Bhadra , Mark A. Anastasio

Score-based generative models (SGMs) have recently shown promising results for image reconstruction on simulated positron emission tomography (PET) datasets. In this work we have developed and implemented practical methodology for 3D image…

Score-based generative modeling (SGM) has grown to be a hugely successful method for learning to generate samples from complex data distributions such as that of images and audio. It is based on evolving an SDE that transforms white noise…

机器学习 · 计算机科学 2022-10-04 Holden Lee , Jianfeng Lu , Yixin Tan

Deep generative models are becoming increasingly powerful, now generating diverse high fidelity photo-realistic samples given text prompts. Have they reached the point where models of natural images can be used for generative data…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Shekoofeh Azizi , Simon Kornblith , Chitwan Saharia , Mohammad Norouzi , David J. Fleet

Generative models are known to be difficult to assess. Recent works, especially on generative adversarial networks (GANs), produce good visual samples of varied categories of images. However, the validation of their quality is still…

机器学习 · 计算机科学 2019-09-25 Timothée Lesort , Andrei Stoain , Jean-François Goudou , David Filliat

Despite success on a wide range of problems related to vision, generative adversarial networks (GANs) often suffer from inferior performance due to unstable training, especially for text generation. To solve this issue, we propose a new…

机器学习 · 计算机科学 2020-11-02 Yue Wu , Pan Zhou , Andrew Gordon Wilson , Eric P. Xing , Zhiting Hu

Score-based diffusion models have emerged as one of the most promising frameworks for deep generative modelling. In this work we conduct a systematic comparison and theoretical analysis of different approaches to learning conditional…

机器学习 · 计算机科学 2021-11-29 Georgios Batzolis , Jan Stanczuk , Carola-Bibiane Schönlieb , Christian Etmann

Histopathology image classification is crucial for the accurate identification and diagnosis of various diseases but requires large and diverse datasets. Obtaining such datasets, however, is often costly and time-consuming due to the need…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Leire Benito-Del-Valle , Aitor Alvarez-Gila , Itziar Eguskiza , Cristina L. Saratxaga

Generative adversarial networks (GANs) are a recent approach to train generative models of data, which have been shown to work particularly well on image data. In the current paper we introduce a new model for texture synthesis based on GAN…

计算机视觉与模式识别 · 计算机科学 2017-09-11 Nikolay Jetchev , Urs Bergmann , Roland Vollgraf

Generative Adversarial Networks (GAN) have been widely investigated for image synthesis based on their powerful representation learning ability. In this work, we explore the StyleGAN and its application of synthetic food image generation.…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Wenjin Fu , Yue Han , Jiangpeng He , Sriram Baireddy , Mridul Gupta , Fengqing Zhu

In recent years, the use of Generative Adversarial Networks (GANs) has become very popular in generative image modeling. While style-based GAN architectures yield state-of-the-art results in high-fidelity image synthesis, computationally,…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Sergei Belousov

In recent years, diffusion models have gained popularity for their ability to generate higher-quality images in comparison to GAN models. However, like any other large generative models, these models require a huge amount of data,…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Rajesh Shrestha , Bowen Xie

In this work, we investigate the capability of generating images from pre-trained diffusion models at much higher resolutions than the training image sizes. In addition, the generated images should have arbitrary image aspect ratios. When…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Yingqing He , Shaoshu Yang , Haoxin Chen , Xiaodong Cun , Menghan Xia , Yong Zhang , Xintao Wang , Ran He , Qifeng Chen , Ying Shan

Generative adversarial networks (GANs) have achieved impressive results today, but not all generated images are perfect. A number of quantitative criteria have recently emerged for generative model, but none of them are designed for a…

图像与视频处理 · 电气工程与系统科学 2020-07-15 Shuyang Gu , Jianmin Bao , Dong Chen , Fang Wen

Deep generative models are becoming a cornerstone of modern machine learning. Recent work on conditional generative adversarial networks has shown that learning complex, high-dimensional distributions over natural images is within reach.…

机器学习 · 计算机科学 2019-05-15 Mario Lucic , Michael Tschannen , Marvin Ritter , Xiaohua Zhai , Olivier Bachem , Sylvain Gelly