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Strong scattering medium brings great difficulties to optical imaging, which is also a problem in medical imaging and many other fields. Optical memory effect makes it possible to image through strong random scattering medium. However, this…

图像与视频处理 · 电气工程与系统科学 2020-02-19 Enlai Guo , Shuo Zhu , Yan Sun , Lianfa Bai , Jing Han

It is difficult to quantify structure-property relationships and to identify structural features of complex materials. The characterization of amorphous materials is especially challenging because their lack of long-range order makes it…

软凝聚态物质 · 物理学 2019-09-11 Kirk Swanson , Shubhendu Trivedi , Joshua Lequieu , Kyle Swanson , Risi Kondor

Modelling the acoustic scattering response due to penetrable objects of arbitrary shapes, such as those of many marine organisms, can be computationally intensive, often requiring high-performance computing equipment when considering a…

计算物理 · 物理学 2023-12-29 Edmundo F. Lavia , Guadalupe Cascallares , Juan D. Gonzalez

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

A scattering vector is a local descriptor including multiscale and multi-direction co-occurrence information. It is computed with a cascade of wavelet decompositions and complex modulus. This scattering representation is locally translation…

计算机视觉与模式识别 · 计算机科学 2013-11-21 Joan Bruna , Stéphane Mallat

In an ultrasonic array system, increasing the aperture size to achieve a high resolution requires more transmit and receive channels, thus making it essential to have an analysis technique that can reconstruct the shape and physical…

光学 · 物理学 2025-08-21 Kai Yabumoto , Takayoshi Yumii , Kenjiro Kimura

Given large amount of real photos for training, Convolutional neural network shows excellent performance on object recognition tasks. However, the process of collecting data is so tedious and the background are also limited which makes it…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Yida Wang , Weihong Deng

We introduce a novel framework to build a model that can learn how to segment objects from a collection of images without any human annotation. Our method builds on the observation that the location of object segments can be perturbed…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Adam Bielski , Paolo Favaro

Detecting oriented objects along with estimating their rotation information is one crucial step for analyzing remote sensing images. Despite that many methods proposed recently have achieved remarkable performance, most of them directly…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Yanjie Wang , Xu Zou , Zhijun Zhang , Wenhui Xu , Liqun Chen , Sheng Zhong , Luxin Yan , Guodong Wang

Depth estimation from a single image is a fundamental problem in computer vision. In this paper, we propose a simple yet effective convolutional spatial propagation network (CSPN) to learn the affinity matrix for depth prediction.…

计算机视觉与模式识别 · 计算机科学 2018-08-02 Xinjing Cheng , Peng Wang , Ruigang Yang

Automated surface segmentation is important and challenging in many medical image analysis applications. Recent deep learning based methods have been developed for various object segmentation tasks. Most of them are a classification based…

图像与视频处理 · 电气工程与系统科学 2020-07-03 Leixin Zhou , Xiaodong Wu

Deep learning has achieved a remarkable performance breakthrough in several fields, most notably in speech recognition, natural language processing, and computer vision. In particular, convolutional neural network (CNN) architectures…

计算机视觉与模式识别 · 计算机科学 2016-12-08 Federico Monti , Davide Boscaini , Jonathan Masci , Emanuele Rodolà , Jan Svoboda , Michael M. Bronstein

In this paper, we present a robust spherical harmonics approach for the classification of point cloud-based objects. Spherical harmonics have been used for classification over the years, with several frameworks existing in the literature.…

计算机视觉与模式识别 · 计算机科学 2020-09-04 Ayman Mukhaimar , Ruwan Tennakoon , Chow Yin Lai , Reza Hoseinnezhad , Alireza Bab-Hadiashar

We present a novel approach to estimating physical properties of objects from video. Our approach consists of a physics engine and a correction estimator. Starting from the initial observed state, object behavior is simulated forward in…

计算机视觉与模式识别 · 计算机科学 2022-06-03 Martin Link , Max Schwarz , Sven Behnke

The representation of functions by artificial neural networks depends on a large number of parameters in a non-linear fashion. Suitable parameters of these are found by minimizing a 'loss functional', typically by stochastic gradient…

机器学习 · 计算机科学 2021-09-16 Stephan Wojtowytsch

Computational imaging through scatter generally is accomplished by first characterizing the scattering medium so that its forward operator is obtained; and then imposing additional priors in the form of regularizers on the reconstruction…

光学 · 物理学 2017-11-21 Shuai Li , Mo Deng , Justin Lee , Ayan Sinha , George Barbastathis

Craters are among the most studied geomorphic features in the Solar System because they yield important information about the past and present geological processes and provide information about the relative ages of observed geologic…

计算机视觉与模式识别 · 计算机科学 2016-01-07 Joseph Paul Cohen , Henry Z. Lo , Tingting Lu , Wei Ding

The representations of atmospheric moist convection in general circulation models have been one of the most challenging tasks due to its complexity in physical processes, and the interaction between processes under different time/spatial…

大气与海洋物理 · 物理学 2019-05-24 Shih-Wen Tsou , Chun-Yian Su , Chien-Ming Wu

Advancements in convolutional neural networks (CNNs) have made significant strides toward achieving high performance levels on multiple object recognition tasks. While some approaches utilize information from the entire scene to propose…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Kevin Wu , Eric Wu , Gabriel Kreiman

The determination of the physical parameters of gravitational wave events is a fundamental pillar in the analysis of the signals observed by the current ground-based interferometers. Typically, this is done using Bayesian inference…

广义相对论与量子宇宙学 · 物理学 2023-11-07 M. Andrés-Carcasona , M. Martinez , Ll. M. Mir