Convolution

Picturenaut's consistent multi-threaded architecture makes it the fastest tone mapper in the world. Nothing beats it running Reinhard's Photoreceptor Physiology in realtime on the full image. If you call a new 8 core box your own, you will see it haul through a 32 Megapixel image in realtime,...

A GENERALAZED CONVOLUTION COMPUTING CODE IN MATLAB WITHOUT USING MATLAB BUILTIN FUNCTION conv(x,h)

Picturenaut's consistent multi-threaded architecture makes it the fastest tone mapper in the world. Nothing beats it running Reinhard's Photoreceptor Physiology in realtime on the full image. If you call a new 8 core box your own, you will see it haul through a 32 Megapixel image in realtime,...


Platforms: Windows

The Effectbank application was designed to be a free software that lets you add mind exploding image effects to your photos with a few simple clicks. Effect types: · Greyscale effects · Dithering · Color effects · Color conversions · Color Maps · Morphological effects · Fluid...


Platforms: Windows

PEAKFIND general 1D peak finding algorithm peakfind(x_data,y_data) peakfind(x_data,y_data,upsam) peakfind(x_data,y_data,upsam,gsize,gstd) peakfind(x_data,y_data,upsam,htcut,'cuttype') peakfind(x_data,y_data,upsam,gsize,gstd,htcut,'cuttype') [xpeaks]=peakfind() [xout,yout,peakspos]=peakfind()...


Platforms: Matlab

Testlab for Image Processing: You can enter formulas like 'r = r + b/2; g=g*2; b=b/2' and watch/store the Result. Alternatively cou can run a convolution matrix on the source image.Implemented in Java, fully GUIed, avg. performance.


Platforms: Windows, Mac, Linux

Picturenaut's consistent multi-threaded architecture makes it the fastest tone mapper in the world. Nothing beats it running Reinhard's Photoreceptor Physiology in realtime on the full image. If you call a new 8 core box your own, you will see it haul through a 32 Megapixel image in realtime,...


Platforms: Windows

Image Disturb is an original java graphic application. It let you apply effects to 24-bit images. The effects are geometric, convolution, and color transformations. The color transformation is the more interesting feature, it let you to apply a transformation globally, or locally by recursion,...


Platforms: Mac, Java 1.4+

Flaxus is a software developed under the TOPLAP manifesto, that carries out visual performances in real time. The graphic piece is generated by code at the same moment of its execution, thus, the artistic experience comes closer to a performance event such as music or dancing. But Flaxus also...


Platforms: Windows, Mac, *nix, Flash, BSD Solaris

This code computes the approximation of the convolution integral (*) between two functions, f(t) and g(t), sampled at the times t1,t2,...,tm (unit spacing), via the trapezoidal quadrature rule. To compute the integral with other than unit spacing, multiply the result by the spacing...


Platforms: Matlab

Rakarrack is a stereo digital effects processor for Linux with jack support. Standard line-up of nearly 40 effects modules include Equalizers, Reverbs, Echo, Flange, Chorus, Distortions, WahWah, Vocoder, and other filters and processing modules. Features . Tuner . Midi Converter . Presets...


Platforms: *nix

CHAPTER 1: FOURIER ANALYSIS1.1 CONTINUOUS-TIME FOURIER SERIES (CTFS)1.2 PROPERTIES OF CTFS 1.2.1 Time-Shifting Property 1.2.2 Frequency-Shifting Property 1.2.3 Modulation Property1.3 CONTINUOUS-TIME FOURIER TRANSFORM (CTFT)1.4 PROPERTIES OF CTFT 1.4.1 Linearity 1.4.2 Conjugate Symmetry 1.4.3 Real...


Platforms: Matlab

CONV_MTX Convolution matrix. If 'x' is a column vector of length 'nx', then conv_mtx(x,nh) gives a toeplitz matrix 'X' of size (nx+nh-1) times (nh). 'nh' is the length of the column vector 'h' with which 'x' is convolved. Thus finally 'X*h' is same as conv(x,h). If 'x' and 'h' are row vectors,...


Platforms: Matlab

Function: Savitzky-Golay Smoothing and Differentiation Filter The Savitzky-Golay smoothing/differentiation filter (i.e., the polynomial smoothing/differentiation filter, or the least-squares smoothing/differentiation filters) optimally fit a set of data points to polynomials of different degrees....


Platforms: Matlab

Matlab code for the algorithm published inV. G. Reju, S. N. Koh and I. Y. Soon, Convolution Using Discrete Sine and Cosine Transforms, IEEE Signal Processing Letters, VOL. 14, NO. 7, JULY 2007, pp.445-448.


Platforms: Matlab

This GUI program simulates Voigt spectral lineshape and absorption spectrum from HiTRAN output file. The Voigt spectral lineshape is simulated from the convolution of Guassian and Lorentzian lineshape numerically. Absorption spectrum is calculated consequently and can be compared with...


Platforms: Matlab

An image transformation tool where arbitrary arithmetic transformations can be done pixel by pixel through user defined formulas written in java. Similar in concept to convolution matrices, but allowing any arbitrary expression to generate new values.


Platforms: Windows, Mac, Linux

This simple simulation shows the implementation of FxLMS algorithm for a single channel feed-forward active noise control system. Here, the controller generates an "anti-noise" signal to result a destructive interference at the sensor position. The objective is to minimize the noise residue.The...


Platforms: Matlab

The NVIDIA GPU Computing SDK provides hundreds of code samples, white papers, to help you get started on the path of writing software with CUDA C/C++, OpenCL or DirectCompute. The SDK code samples covers a wide range of applications and techniques, including: Simple techniques demonstrating...


Platforms: Mac

Weighted Median Filter:It is same as median filter, only difference is the mask is not empty. It will having some weight (or values) and averaged.The steps to perform weighted median filtering are as follows:1) Assume a 3x3 weighted mask.2) Place the mask at the left hand corner.3) After...


Platforms: Matlab