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Lossy image compression algorithms are pervasively used to reduce the size of images transmitted over the web and recorded on data storage media. However, we pay for their high compression rate with visual artifacts degrading the user…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Lukas Cavigelli , Pascal Hager , Luca Benini

Existing image-to-image translation (I2IT) methods are either constrained to low-resolution images or long inference time due to their heavy computational burden on the convolution of high-resolution feature maps. In this paper, we focus on…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Jie Liang , Hui Zeng , Lei Zhang

Image deblurring has seen a great improvement with the development of deep neural networks. In practice, however, blurry images often suffer from additional degradations such as downscaling and compression. To address these challenges, we…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Ruikang Xu , Zeyu Xiao , Jie Huang , Yueyi Zhang , Zhiwei Xiong

Generative Adversarial Networks (GAN) have demonstrated the potential to recover realistic details for single image super-resolution (SISR). To further improve the visual quality of super-resolved results, PIRM2018-SR Challenge employed…

计算机视觉与模式识别 · 计算机科学 2021-07-21 Wenlong Zhang , Yihao Liu , Chao Dong , Yu Qiao

We present an efficient, elastic 3D LiDAR reconstruction framework which can reconstruct up to maximum LiDAR ranges (60 m) at multiple frames per second, thus enabling robot exploration in large-scale environments. Our approach only…

In recent years there has been a growing interest in image generation through deep learning. While an important part of the evaluation of the generated images usually involves visual inspection, the inclusion of human perception as a factor…

计算机视觉与模式识别 · 计算机科学 2020-11-18 Alexander Hepburn , Valero Laparra , Ryan McConville , Raul Santos-Rodriguez

Visualizing the perceptual content by analyzing human functional magnetic resonance imaging (fMRI) has been an active research area. However, due to its high dimensionality, complex dimensional structure, and small number of samples…

计算机视觉与模式识别 · 计算机科学 2019-01-27 Yunfeng Lin , Jiangbei Li , Hanjing Wang

Compressive sensing (CS) is widely used to reduce the acquisition time of magnetic resonance imaging (MRI). Although state-of-the-art deep learning based methods have been able to obtain fast, high-quality reconstruction of CS-MR images,…

图像与视频处理 · 电气工程与系统科学 2020-09-25 Bhavya Vasudeva , Puneesh Deora , Saumik Bhattacharya , Pyari Mohan Pradhan

High resolution images can be acquired using a non-regular sampling sensor which consists of an underlying low resolution sensor that is covered with a non-regular sampling mask. The reconstructed high resolution image is then obtained…

图像与视频处理 · 电气工程与系统科学 2022-04-08 Markus Jonscher , Karina Jaskolka , Jürgen Seiler , André Kaup

Critical aspects of computational imaging systems, such as experimental design and image priors, can be optimized through deep networks formed by the unrolled iterations of classical model-based reconstructions (termed physics-based…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Michael Kellman , Kevin Zhang , Jon Tamir , Emrah Bostan , Michael Lustig , Laura Waller

Porous media are ubiquitous in both nature and engineering applications, thus their modelling and understanding is of vital importance. In contrast to direct acquisition of three-dimensional (3D) images of such medium, obtaining its…

图像与视频处理 · 电气工程与系统科学 2019-09-25 Junxi Feng , Xiaohai He , Qizhi Teng , Chao Ren , Honggang Chen , Yang Li

The acquisition of Magnetic Resonance Imaging (MRI) is inherently slow. Inspired by recent advances in deep learning, we propose a framework for reconstructing MR images from undersampled data using a deep cascade of convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-03-03 Jo Schlemper , Jose Caballero , Joseph V. Hajnal , Anthony Price , Daniel Rueckert

Despite its exceptional soft tissue contrast, Magnetic Resonance Imaging (MRI) faces the challenge of long scanning times compared to other modalities like X-ray radiography. Shortening scanning times is crucial in clinical settings, as it…

机器学习 · 计算机科学 2023-12-08 Thomas Sanchez

Hybrid CNN-Transformer architectures achieve strong results in image super-resolution, but scaling attention windows or convolution kernels significantly increases computational cost, limiting deployment on resource-constrained devices. We…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Cao Thien Tan , Phan Thi Thu Trang , Do Nghiem Duc , Ho Ngoc Anh , Hanyang Zhuang , Nguyen Duc Dung

Generative adversarial networks (GANs) have gained considerable attention owing to their ability to reproduce images. However, they can recreate training images faithfully despite image degradation in the form of blur, noise, and…

计算机视觉与模式识别 · 计算机科学 2021-06-24 Takuhiro Kaneko , Tatsuya Harada

Structures matter in single image super resolution (SISR). Recent studies benefiting from generative adversarial network (GAN) have promoted the development of SISR by recovering photo-realistic images. However, there are always undesired…

图像与视频处理 · 电气工程与系统科学 2020-03-31 Cheng Ma , Yongming Rao , Yean Cheng , Ce Chen , Jiwen Lu , Jie Zhou

High-resolution (HR) magnetic resonance imaging (MRI) provides detailed anatomical information that is critical for diagnosis in the clinical application. However, HR MRI typically comes at the cost of long scan time, small spatial…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Yuhua Chen , Anthony G. Christodoulou , Zhengwei Zhou , Feng Shi , Yibin Xie , Debiao Li

Deep Neural Network (DNN)-based image reconstruction, despite many successes, often exhibits uneven fidelity between high and low spatial frequency bands. In this paper we propose the Learning Synthesis by DNN (LS-DNN) approach where two…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Mo Deng , Shuai Li , George Barbastathis

Tone mapping aims to convert high dynamic range (HDR) images to low dynamic range (LDR) representations, a critical task in the camera imaging pipeline. In recent years, 3-Dimensional LookUp Table (3D LUT) based methods have gained…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Feng Zhang , Ming Tian , Zhiqiang Li , Bin Xu , Qingbo Lu , Changxin Gao , Nong Sang

The majority of signal data captured in the real world uses numerous sensors with different resolutions. In practice, however, most deep learning architectures are fixed-resolution; they consider a single resolution at training time and…

机器学习 · 计算机科学 2024-12-10 Léa Demeule , Mahtab Sandhu , Glen Berseth