Kernel-Regression-for-Image-Processing.zip - In this paper, we make contact with the field of nonparametric
statistics and present a development and generalization
of tools and results for use in image processing and reconstruction.
In particular, we adapt and expand kernel regression ideas
for use in image denoising, upscaling, interpolation, fusion, and
more. Furthermore, we establish key relationships with some popular
existing methods and show how several of these algorithms,
including the recently popularized bilateral filter, are special cases
of the proposed framework. The resulting algorithms and analyses
are amply illustrated with practical examples.,2014-01-22 00:51:54,下载4次
Image-Denoising-by-Adaptive-Kernel-Regression.zip - This paper introduces an extremely robust adaptive
denoising filter in the spatial domain. The filter is based on
non-parametric statistical estimation methods, and in particular
generalizes an adaptive method proposed earlier by Fukunaga
[1]. To denoise a pixel, the proposed filter computes a locally
adaptive set of weights and window sizes, which can be proven
to be optimal in the context of non-parametric estimation using
kernels. While we do not report analytical results on the statistical
efficiency of the proposed method in this paper, we will discuss
its derivation, and experimentally demonstrate its effectiveness
against competing techniques at low SNR and on real noisy data.,2014-01-22 00:49:39,下载5次
CORDIC_Algorithms_and_architectures.zip - Digital signal processing (DSP) algorithms exhibit an increasing need for the
e#cient implementation of complex arithmetic operations. The computation of
trigonometric functions, coordinate transformations or rotations of complex valued
phasors is almost naturally involved with modern DSP algorithms. Popular application
examples are algorithms used in digital communication technology and in
adaptive signal processing. While in digital communications, the straightforward
evaluation of the cited functions is important, numerous matrix based adaptive
signal processing algorithms require the solution of systems of linear equations, QR
factorization or the computation of eigenvalues, eigenvectors or singular values. All
these tasks can be e#ciently implemented using processing elements performing vector
rotations. The COordinate Rotation DIgital Computer algorithm (CORDIC)
offersthe opportunity to calculate all the desired functions in a rather simple and
elegant way.,2014-01-22 00:47:50,下载1次
[ebook]-DSP---Introduction-to-Signal-Processing-( - [ebook] DSP - Introduction to Signal Processing (code in C & MatLab),2014-01-22 00:38:30,下载2次