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An approach to incorporate deep learning within an iterative image reconstruction framework to reconstruct images from severely incomplete measurement data is presented. Specifically, we utilize a convolutional neural network (CNN) as a…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Brendan Kelly , Thomas P. Matthews , Mark A. Anastasio

Automatic lesion segmentation in dermoscopy images is an essential step for computer-aided diagnosis of melanoma. The dermoscopy images exhibits rotational and reflectional symmetry, however, this geometric property has not been encoded in…

计算机视觉与模式识别 · 计算机科学 2018-07-10 Xiaomeng Li , Lequan Yu , Chi-Wing Fu , Pheng-Ann Heng

Toward a deeper understanding on the inner work of deep neural networks, we investigate CNN (convolutional neural network) using DCN (deconvolutional network) and randomization technique, and gain new insights for the intrinsic property of…

计算机视觉与模式识别 · 计算机科学 2018-02-21 Kun He , Jingbo Wang , Haochuan Li , Yao Shu , Mengxiao Zhang , Man Zhu , Liwei Wang , John E. Hopcroft

Convolutional neural networks have recently been used for multi-focus image fusion. However, due to the lack of labeled data for supervised training of such networks, existing methods have resorted to adding Gaussian blur in focused images…

计算机视觉与模式识别 · 计算机科学 2018-06-20 Xiang Yan , Syed Zulqarnain Gilani , Hanlin Qin , Ajmal Mian

Unsupervised visual representation learning remains a largely unsolved problem in computer vision research. Among a big body of recently proposed approaches for unsupervised learning of visual representations, a class of self-supervised…

计算机视觉与模式识别 · 计算机科学 2019-01-28 Alexander Kolesnikov , Xiaohua Zhai , Lucas Beyer

Self-supervised image denoising techniques emerged as convenient methods that allow training denoising models without requiring ground-truth noise-free data. Existing methods usually optimize loss metrics that are calculated from multiple…

Hyperspectral images (HSIs) are susceptible to various noise factors leading to the loss of information, and the noise restricts the subsequent HSIs object detection and classification tasks. In recent years, learning-based methods have…

神经与进化计算 · 计算机科学 2020-08-18 Yuqiao Liu , Yanan Sun , Bing Xue , Mengjie Zhang

Image denoising and high-level vision tasks are usually handled independently in the conventional practice of computer vision, and their connection is fragile. In this paper, we cope with the two jointly and explore the mutual influence…

计算机视觉与模式识别 · 计算机科学 2018-09-10 Ding Liu , Bihan Wen , Jianbo Jiao , Xianming Liu , Zhangyang Wang , Thomas S. Huang

Recently, cross domain transfer has been applied for unsupervised image restoration tasks. However, directly applying existing frameworks would lead to domain-shift problems in translated images due to lack of effective supervision.…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Wenchao Du , Hu Chen , Hongyu Yang

The success of deep learning in computer vision is rooted in the ability of deep networks to scale up model complexity as demanded by challenging visual tasks. As complexity is increased, so is the need for large amounts of labeled data to…

计算机视觉与模式识别 · 计算机科学 2017-08-22 Gustav Larsson

Conventionally, image denoising and high-level vision tasks are handled separately in computer vision. In this paper, we cope with the two jointly and explore the mutual influence between them. First we propose a convolutional neural…

计算机视觉与模式识别 · 计算机科学 2018-04-18 Ding Liu , Bihan Wen , Xianming Liu , Zhangyang Wang , Thomas S. Huang

Image restoration is a challenging ill-posed problem which also has been a long-standing issue. In the past few years, the convolution neural networks (CNNs) almost dominated the computer vision and had achieved considerable success in…

图像与视频处理 · 电气工程与系统科学 2023-01-18 Chi-Mao Fan , Tsung-Jung Liu , Kuan-Hsien Liu

We present a model for non-blind image deconvolution that incorporates the classic iterative method into a deep learning application. Instead of using large over-parameterised generative networks to create sharp picture representations, we…

图像与视频处理 · 电气工程与系统科学 2022-10-03 Tomas Chobola , Anton Theileis , Jan Taucher , Tingying Peng

Image denoising is an important pre-processing step in medical image analysis. Different algorithms have been proposed in past three decades with varying denoising performances. More recently, having outperformed all conventional methods,…

计算机视觉与模式识别 · 计算机科学 2017-02-21 Lovedeep Gondara

In remote sensing images, the absolute orientation of objects is arbitrary. Depending on an object's orientation and on a sensor's flight path, objects of the same semantic class can be observed in different orientations in the same image.…

计算机视觉与模式识别 · 计算机科学 2018-03-19 Diego Marcos , Michele Volpi , Benjamin Kellenberger , Devis Tuia

Image registration is a fundamental task that aligns anatomical structures between images. While CNNs perform well, they lack rotation equivariance - a rotated input does not produce a correspondingly rotated output. This hinders…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Arghavan Rezvani , Kun Han , Anthony T. Wu , Pooya Khosravi , Xiaohui Xie

Deep image prior (DIP) has been successfully applied to positron emission tomography (PET) image restoration, enabling represent implicit prior using only convolutional neural network architecture without training dataset, whereas the…

医学物理 · 物理学 2024-04-23 Yuya Onishi , Fumio Hashimoto , Kibo Ote , Keisuke Matsubara , Masanobu Ibaraki

Dense depth and surface normal predictors should possess the equivariant property to cropping-and-resizing -- cropping the input image should result in cropping the same output image. However, we find that state-of-the-art depth and normal…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Yuanyi Zhong , Anand Bhattad , Yu-Xiong Wang , David Forsyth

In parallel with the success of CNNs to solve vision problems, there is a growing interest in developing methodologies to understand and visualize the internal representations of these networks. How the responses of a trained CNN encode the…

计算机视觉与模式识别 · 计算机科学 2015-11-18 Ivet Rafegas , Maria Vanrell

There are two main streams in up-to-date image denoising algorithms: non-local self similarity (NSS) prior based methods and convolutional neural network (CNN) based methods. The NSS based methods are favorable on images with regular and…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Byeongyong Ahn , Nam Ik Cho