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Deep convolutional neural network (CNN) achieves remarkable performance for medical image analysis. UNet is the primary source in the performance of 3D CNN architectures for medical imaging tasks, including brain tumor segmentation. The…

图像与视频处理 · 电气工程与系统科学 2020-11-30 Parvez Ahmad , Saqib Qamar , Linlin Shen , Adnan Saeed

Recent deep learning-based image denoising methods have shown impressive performance; however, many lack the flexibility to adjust the denoising strength based on the noise levels, camera settings, and user preferences. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Youngjin Oh , Junhyeong Kwon , Keuntek Lee , Nam Ik Cho

In this paper, we propose a novel and efficient CNN-based framework that leverages local and global context information for image denoising. Due to the limitations of convolution itself, the CNN-based method is generally unable to construct…

计算机视觉与模式识别 · 计算机科学 2022-04-12 QiFan Li

Existing video super-resolution (SR) algorithms usually assume that the blur kernels in the degradation process are known and do not model the blur kernels in the restoration. However, this assumption does not hold for video SR and usually…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Jinshan Pan , Songsheng Cheng , Jiawei Zhang , Jinhui Tang

Object segmentation and structure localization are important steps in automated image analysis pipelines for microscopy images. We present a convolution neural network (CNN) based deep learning architecture for segmentation of objects in…

计算机视觉与模式识别 · 计算机科学 2019-01-24 Shan E Ahmed Raza , Linda Cheung , Muhammad Shaban , Simon Graham , David Epstein , Stella Pelengaris , Michael Khan , Nasir M. Rajpoot

The success of deep denoisers on real-world color photographs usually relies on the modeling of sensor noise and in-camera signal processing (ISP) pipeline. Performance drop will inevitably happen when the sensor and ISP pipeline of test…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Yue Cao , Xiaohe Wu , Shuran Qi , Xiao Liu , Zhongqin Wu , Wangmeng Zuo

While deep Convolutional Neural Networks (CNNs) have shown extraordinary capability of modelling specific noise and denoising, they still perform poorly on real-world noisy images. The main reason is that the real-world noise is more…

计算机视觉与模式识别 · 计算机科学 2019-10-23 Yiyun Zhao , Zhuqing Jiang , Aidong Men , Guodong Ju

With the development of deep learning, medical image processing has been widely used to assist clinical research. This paper focuses on the denoising problem of low-dose computed tomography using deep learning. Although low-dose computed…

图像与视频处理 · 电气工程与系统科学 2026-05-19 Zhilin Guan , Wei Zhang

CNNs have become one of the most commonly used computational tool in the past two decades. One of the primary downsides of CNNs is that they work as a ``black box", where the user cannot necessarily know how the image data are analyzed, and…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Sai Teja Erukude , Akhil Joshi , Lior Shamir

Taking photos of optoelectronic displays is a direct and spontaneous way of transferring data and keeping records, which is widely practiced. However, due to the analog signal interference between the pixel grids of the display screen and…

多媒体 · 计算机科学 2018-04-13 Bolin Liu , Xiao Shu , Xiaolin Wu

Convolutional neural networks (CNNs) show outstanding performance in many image processing problems, such as image recognition, object detection and image segmentation. Semantic segmentation is a very challenging task that requires…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Fan Jia , Jun Liu , Xue-cheng Tai

Single Image Super-Resolution (SISR) aims to generate a high-resolution (HR) image of a given low-resolution (LR) image. The most of existing convolutional neural network (CNN) based SISR methods usually take an assumption that a LR image…

图像与视频处理 · 电气工程与系统科学 2019-09-10 Rao Muhammad Umer , Gian Luca Foresti , Christian Micheloni

The capability of image semantic segmentation may be deteriorated due to noisy input image, where image denoising prior to segmentation helps. Both image denoising and semantic segmentation have been developed significantly with the advance…

计算机视觉与模式识别 · 计算机科学 2021-02-25 Shunxin Xu , Ke Sun , Dong Liu , Zhiwei Xiong , Zheng-Jun Zha

The quality of images captured by wireless capsule endoscopy (WCE) is key for doctors to diagnose diseases of gastrointestinal (GI) tract. However, there exist many low-quality endoscopic images due to the limited illumination and complex…

图像与视频处理 · 电气工程与系统科学 2020-03-17 Shaofeng Zou , Mingzhu Long , Xuyang Wang , Xiang Xie , Guolin Li , Zhihua Wang

A very deep convolutional neural network (CNN) has recently achieved great success for image super-resolution (SR) and offered hierarchical features as well. However, most deep CNN based SR models do not make full use of the hierarchical…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Yulun Zhang , Yapeng Tian , Yu Kong , Bineng Zhong , Yun Fu

Recently, deep neural networks (DNNs) have been regarded as the state-of-the-art classification methods in a wide range of applications, especially in image classification. Despite the success, the huge number of parameters blocks its…

机器学习 · 统计学 2017-12-18 Guangxi Li , Jinmian Ye , Haiqin Yang , Di Chen , Shuicheng Yan , Zenglin Xu

Convolutional neural networks (CNN) have demonstrated outstanding Compressed Sensing (CS) performance compared to traditional, hand-crafted methods. However, they are broadly limited in terms of generalisability, inductive bias and…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Marlon Bran Lorenzana , Craig Engstrom , Shekhar S. Chandra

Object classification is a significant task in computer vision. It has become an effective research area as an important aspect of image processing and the building block of image localization, detection, and scene parsing. Object…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Md. Mohsin Kabir , Abu Quwsar Ohi , Md. Saifur Rahman , M. F. Mridha

Deep convolutional neural networks can extract more accurate structural information via deep architectures to obtain good performance in image super-resolution. However, it is not easy to find effect of important layers in a single network…

图像与视频处理 · 电气工程与系统科学 2025-06-04 Chunwei Tian , Mingjian Song , Xiaopeng Fan , Xiangtao Zheng , Bob Zhang , David Zhang

A CT image can be well reconstructed when the sampling rate of the sinogram satisfies the Nyquist criteria and the sampled signal is noise-free. However, in practice, the sinogram is usually contaminated by noise, which degrades the quality…

图像与视频处理 · 电气工程与系统科学 2020-01-22 Wei Wang , Xiang-Gen Xia , Chuanjiang He , Zemin Ren , Jian Lu , Tianfu Wang , Baiying Lei