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This letter proposes an improved CNN predictor (ICNNP) for reversible data hiding (RDH) in images, which consists of a feature extraction module, a pixel prediction module, and a complexity prediction module. Due to predicting the…

多媒体 · 计算机科学 2023-01-05 Yingqiang Qiu , Wanli Peng , Xiaodan Lin , Huanqiang Zeng , Zhenxing Qian

Bilinear pooling of Convolutional Neural Network (CNN) features [22, 23], and their compact variants [10], have been shown to be effective at fine-grained recognition, scene categorization, texture recognition, and visual question-answering…

计算机视觉与模式识别 · 计算机科学 2017-07-24 Tsung-Yu Lin , Subhransu Maji

In this survey paper, we review recent uses of convolution neural networks (CNNs) to solve inverse problems in imaging. It has recently become feasible to train deep CNNs on large databases of images, and they have shown outstanding…

图像与视频处理 · 电气工程与系统科学 2018-09-11 Michael T. McCann , Kyong Hwan Jin , Michael Unser

Planar object tracking plays an important role in AI applications, such as robotics, visual servoing, and visual SLAM. Although the previous planar trackers work well in most scenarios, it is still a challenging task due to the rapid motion…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Xinrui Zhan , Yueran Liu , Jianke Zhu , Yang Li

The effectiveness of Convolutional Neural Networks stems in large part from their ability to exploit the translation invariance that is inherent in many learning problems. Recently, it was shown that CNNs can exploit other invariances, such…

机器学习 · 计算机科学 2018-03-07 Emiel Hoogeboom , Jorn W. T. Peters , Taco S. Cohen , Max Welling

Reconstruction tasks in computer vision aim fundamentally to recover an undetermined signal from a set of noisy measurements. Examples include super-resolution, image denoising, and non-rigid structure from motion, all of which have seen…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Nathaniel Chodosh , Simon Lucey

Image restoration from a single image degradation type, such as blurring, hazing, random noise, and compression has been investigated for decades. However, image degradations in practice are often a mixture of several types of degradation.…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Kazutaka Uchida , Masayuki Tanaka , Masatoshi Okutomi

Convolutional Neural Networks (CNNs) has shown a great success in many areas including complex image classification tasks. However, they need a lot of memory and computational cost, which hinders them from running in relatively low-end…

机器学习 · 计算机科学 2017-01-26 Marcella Astrid , Seung-Ik Lee

Spatially resolved polarization measurements of extended X-ray sources are expanding our understanding of the emission mechanisms and magnetic field properties involved. Such measurements have been possible in the past few years thanks to…

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

X-ray polarimetry will soon open a new window on the high energy universe with the launch of NASA's Imaging X-ray Polarimetry Explorer (IXPE). Polarimeters are currently limited by their track reconstruction algorithms, which typically use…

天体物理仪器与方法 · 物理学 2021-12-01 A. L. Peirson , R. W. Romani

Fourier-based wavefront sensors, such as the Pyramid Wavefront Sensor (PWFS), are the current preference for high contrast imaging due to their high sensitivity. However, these wavefront sensors have intrinsic nonlinearities that constrain…

天体物理仪器与方法 · 物理学 2020-05-22 Rico Landman , Sebastiaan Haffert

Trajectories can be regarded as time-series of coordinates, typically arising from motile objects. Methods for trajectory classification are particularly important to detect different movement patterns, while methods for regression to…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Mariaclaudia Nicolai , Raffaella Fiamma Cabini , Diego Ulisse Pizzagalli

Digital holography enables us to reconstruct objects in three-dimensional space from holograms captured by an imaging device. For the reconstruction, we need to know the depth position of the recoded object in advance. In this study, we…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Tomoyoshi Shimobaba , Takashi Kakue , Tomoyoshi Ito

Many deblurring and blur kernel estimation methods use a maximum a posteriori (MAP) approach or deep learning-based classification techniques to sharpen an image and/or predict the blur kernel. We propose a regression approach using…

图像与视频处理 · 电气工程与系统科学 2024-11-07 Luis G. Varela , Laura E. Boucheron , Steven Sandoval , David Voelz , Abu Bucker Siddik

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

We describe an optimal signal extraction process for imaging X-ray polarimetry using an ensemble of deep neural networks. The initial photo-electron angle, used to recover the polarization, has errors following a von Mises distribution.…

天体物理仪器与方法 · 物理学 2021-10-20 A. L. Peirson , R. W. Romani

Recently, image representation built upon Convolutional Neural Network (CNN) has been shown to provide effective descriptors for image search, outperforming pre-CNN features as short-vector representations. Yet such models are not…

计算机视觉与模式识别 · 计算机科学 2016-02-25 Giorgos Tolias , Ronan Sicre , Hervé Jégou

We present highly efficient algorithms for performing forward and backward propagation of Convolutional Neural Network (CNN) for pixelwise classification on images. For pixelwise classification tasks, such as image segmentation and object…

计算机视觉与模式识别 · 计算机科学 2014-12-17 Hongsheng Li , Rui Zhao , Xiaogang Wang

The Jiangmen Underground Neutrino Observatory (JUNO) is designed to determine the neutrino mass ordering and measure neutrino oscillation parameters. A precise muon reconstruction is crucial to reduce one of the major backgrounds induced by…

仪器与探测器 · 物理学 2021-05-11 Yan Liu , Weidong Li , Tao Lin , Wenxing Fang , Simon C. Blyth , Jilei Xu , Miao He , Kun Zhang