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Multi-contrast MRI acquisitions of an anatomy enrich the magnitude of information available for diagnosis. Yet, excessive scan times associated with additional contrasts may be a limiting factor. Two mainstream approaches for enhanced scan…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Salman Ul Hassan Dar , Mahmut Yurt , Mohammad Shahdloo , Muhammed Emrullah Ildız , Tolga Çukur

Recent learning-based lossless image compression methods encode an image in the unit of subimages and achieve comparable performances to conventional non-learning algorithms. However, these methods do not consider the performance drop in…

图像与视频处理 · 电气工程与系统科学 2021-12-14 Hochang Rhee , Yeong Il Jang , Seyun Kim , Nam Ik Cho

Lensless cameras offer significant advantages in size, weight, and cost compared to traditional lens-based systems. Without a focusing lens, lensless cameras rely on computational algorithms to recover the scenes from multiplexed…

图像与视频处理 · 电气工程与系统科学 2024-10-08 Xin Cai , Zhiyuan You , Hailong Zhang , Wentao Liu , Jinwei Gu , Tianfan Xue

Performance on benchmark datasets has drastically improved with advances in deep learning. Still, cross-dataset generalization performance remains relatively low due to the domain shift that can occur between two different datasets. This…

计算机视觉与模式识别 · 计算机科学 2019-01-08 Alexandra Carlson , Katherine A. Skinner , Ram Vasudevan , Matthew Johnson-Roberson

In order to solve the problems of long training time, large consumption of computing resources and huge parameter amount of GAN network in image generation, this paper proposes an improved GAN network model, which is named Faster Projected…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Chuang Wang , Zhengping Li , Yuwen Hao , Lijun Wang , Xiaoxue Li

The perceptual loss has been widely used as an effective loss term in image synthesis tasks including image super-resolution, and style transfer. It was believed that the success lies in the high-level perceptual feature representations…

计算机视觉与模式识别 · 计算机科学 2021-03-22 Yifan Liu , Hao Chen , Yu Chen , Wei Yin , Chunhua Shen

Generative adversarial networks built from deep convolutional neural networks (GANs) lack the ability to exactly replicate the high-frequency components of natural images. To alleviate this issue, we introduce two novel training techniques…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Shin'ya Yamaguchi , Sekitoshi Kanai

Diffusion models are rising as a powerful solution for high-fidelity image generation, which exceeds GANs in quality in many circumstances. However, their slow training and inference speed is a huge bottleneck, blocking them from being used…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Hao Phung , Quan Dao , Anh Tran

For photoacoustic image reconstruction, certain parameters such as sensor positions and speed of sound have a major impact in the reconstruction process and must be carefully determined before data acquisition. Uncertainties in these…

信号处理 · 电气工程与系统科学 2021-11-24 L. Hirsch , M. G. Gonzalez , L. Rey Vega

Generative Adversarial Networks (GANs) have extended deep learning to complex generation and translation tasks across different data modalities. However, GANs are notoriously difficult to train: Mode collapse and other instabilities in the…

神经与进化计算 · 计算机科学 2021-10-29 Santiago Gonzalez , Mohak Kant , Risto Miikkulainen

Despite recent successes in synthesizing faces and bedrooms, existing generative models struggle to capture more complex image types, potentially due to the oversimplification of their latent space constructions. To tackle this issue,…

机器学习 · 计算机科学 2018-03-13 Wenling Shang , Kihyuk Sohn , Yuandong Tian

Existing compression methods typically focus on the removal of signal-level redundancies, while the potential and versatility of decomposing visual data into compact conceptual components still lack further study. To this end, we propose a…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Jianhui Chang , Zhenghui Zhao , Chuanmin Jia , Shiqi Wang , Lingbo Yang , Qi Mao , Jian Zhang , Siwei Ma

Medical image segmentation is a critical process in the field of medical imaging, playing a pivotal role in diagnosis, treatment, and research. It involves partitioning of an image into multiple regions, representing distinct anatomical or…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Charulkumar Chodvadiya , Navyansh Mahla , Kinshuk Gaurav Singh , Kshitij Sharad Jadhav

While image generation with diffusion models has achieved a great success, generating images of higher resolution than the training size remains a challenging task due to the high computational cost. Current methods typically perform the…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Zhengqiang Zhang , Ruihuang Li , Lei Zhang

Magnetic resonance imaging (MRI) plays a vital role in clinical diagnostics, yet it remains hindered by long acquisition times and motion artifacts. Multi-contrast MRI reconstruction has emerged as a promising direction by leveraging…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Xinming Fang , Chaoyan Huang , Juncheng Li , Jun Wang , Jun Shi , Guixu Zhang

Diffusion models have demonstrated remarkable potential in generating high-quality images. However, their tendency to replicate training data raises serious privacy concerns, particularly when the training datasets contain sensitive or…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Jingqi Xu , Chenghao Li , Yuke Zhang , Peter A. Beerel

Deep convolutional neural networks have shown remarkable performance on various computer vision tasks, and yet, they are susceptible to picking up spurious correlations from the training signal. So called `shortcuts' can occur during…

计算机视觉与模式识别 · 计算机科学 2022-09-21 Mobarakol Islam , Ben Glocker

Attribute guided face image synthesis aims to manipulate attributes on a face image. Most existing methods for image-to-image translation can either perform a fixed translation between any two image domains using a single attribute or…

计算机视觉与模式识别 · 计算机科学 2019-05-02 Behzad Bozorgtabar , Mohammad Saeed Rad , Hazım Kemal Ekenel , Jean-Philippe Thiran

This paper outlines an end-to-end optimized lossy image compression framework using diffusion generative models. The approach relies on the transform coding paradigm, where an image is mapped into a latent space for entropy coding and, from…

图像与视频处理 · 电气工程与系统科学 2024-01-03 Ruihan Yang , Stephan Mandt

StyleGAN models show editing capabilities via their semantically interpretable latent organizations which require successful GAN inversion methods to edit real images. Many works have been proposed for inverting images into StyleGAN's…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Ahmet Burak Yildirim , Hamza Pehlivan , Aysegul Dundar