Approximation of functions over redundant dictionaries using coherence
AC Gilbert, S Muthukrishnan, MJ Strauss - SODA, 2003 - books.google.com
One of the central problems of modern mathematical approximation theory is to approximate
functions, or signals, concisely, with elements from a large candidate set called a dictionary …
functions, or signals, concisely, with elements from a large candidate set called a dictionary …
Near-optimal detection of geometric objects by fast multiscale methods
E Arias-Castro, DL Donoho… - IEEE Transactions on …, 2005 - ieeexplore.ieee.org
We construct detectors for" geometric" objects in noisy data. Examples include a detector for
presence of a line segment of unknown length, position, and orientation in two-dimensional …
presence of a line segment of unknown length, position, and orientation in two-dimensional …
Automatic localization of the needle target for ultrasound-guided epidural injections
M Pesteie, V Lessoway, P Abolmaesumi… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
Accurate identification of the needle target is crucial for effective epidural anesthesia.
Currently, epidural needle placement is administered by a manual technique, relying on the …
Currently, epidural needle placement is administered by a manual technique, relying on the …
Deep compressive sensing on ECG signals with modified inception block and LSTM
J Hua, J Rao, Y Peng, J Liu, J Tang - Entropy, 2022 - mdpi.com
In practical electrocardiogram (ECG) monitoring, there are some challenges in reducing the
data burden and energy costs. Therefore, compressed sensing (CS) which can conduct …
data burden and energy costs. Therefore, compressed sensing (CS) which can conduct …
Discrete Radon transform has an exact, fast inverse and generalizes to operations other than sums along lines
WH Press - Proceedings of the National Academy of …, 2006 - National Acad Sciences
Götz, Druckmüller, and, independently, Brady have defined a discrete Radon transform
(DRT) that sums an image's pixel values along a set of aptly chosen discrete lines, complete …
(DRT) that sums an image's pixel values along a set of aptly chosen discrete lines, complete …
3D images of paper obtained by phase-contrast X-ray microtomography: image quality and binarisation
C Antoine, P Nygård, ØW Gregersen… - Nuclear Instruments and …, 2002 - Elsevier
A series of paper samples was investigated using high-resolution phase-contrast
microtomography at the beamline ID 22 of the European Synchrotron Radiation Facility …
microtomography at the beamline ID 22 of the European Synchrotron Radiation Facility …
Adaptive multiscale detection of filamentary structures in a background of uniform random points
We are given a set of n points that might be uniformly distributed in the unit square [0, 1] ².
We wish to test whether the set, although mostly consisting of uniformly scattered points …
We wish to test whether the set, although mostly consisting of uniformly scattered points …
RunMyCode. org: A novel dissemination and collaboration platform for executing published computational results
We believe computational science as practiced today suffers from a growing credibility gap-it
is impossible to replicate most of the computational results presented at conferences or …
is impossible to replicate most of the computational results presented at conferences or …
[PDF][PDF] 射线检测图像中焊缝和缺陷的提取方法
张晓光, 孙正, 胡晓磊, 宦宇越 - 2011 - hjxb.hwi.com.cn
针对射线检测图像中焊缝和缺陷难于准确检测提取问题, 基于逐级局部化处理,
提出了一种实用的检测方法. 方法充分利用了图像本身已包含的信息, 首先通过条带区域特征 …
提出了一种实用的检测方法. 方法充分利用了图像本身已包含的信息, 首先通过条带区域特征 …