Lena

By Ola Fredin & Lena Rubensdotter; Geological Survey of NorwayUnderstanding densely sampled data from a sediment core or section can be difficult, and there are many statistical tools to tell how, for example grain size distribution varies over time/depth in a sediment sample. However, it is... Platforms: Matlab

PLplot is a library of functions that are useful for making scientific plots. PLplot can be used from within compiled languages such as C, C++, FORTRAN and Java, and interactively from interpreted languages such as Octave, Python, Perl and Tcl. The PLplot library can be used to create standard... Platforms: *nix

YAWICA stands for Yet Another Wavelet based Image Compression Algorithm, it is the result of my diploma thesis. This source code is for educational purposes only and not for any commercial application. So it is neither optimized for speed nor does it accept other image material than PGM images... Platforms: *nix

With this small and very simple program you'll turn your 2-year-old child into an alphabet expert! This happened to our kids: 3-year-old Lena and 2-year-old Simon. The application is also helpful in learning colors and basic shapes. Just let your child press keys on your keyboard! ...and don't... Platforms: Windows

#5237 implements a Gabor filter for image processing. From the comments and through my own use, the implementation seems to have limited freedom, and also the variances are defined in the original x,y instead of the rotated x', y' directions.The code is a modified version based on... Platforms: Matlab

Hilbert16.m:function, we can use it to scan [16 16] blockHilbert.m:function, we can use it to scan [8 8] blockHilbertinv16.m:inverse hilbert scan, we use it to reconsruct the blockHilbertinv.m:inverse hilbert scan, we use it to reconsruct the blocklena512.bmp:image of size [512 512] Platforms: Matlab

These files show the SER and BER(image data)for BPSK,QPSK and 8PSK with Gray coding. The user has the option of selecting Gray or no Gray coding and using either data or an image (Lena1.bmp) Platforms: Matlab

Sharpness estimation using gradientsThis is the most simple and basic measure of sharpness. Although many great other techniques exist, even this primitive estimation algorithm finds itself decent practical usage.The file reads an image and iteratively smooths it more and more to present how... Platforms: Matlab

Zooms 2D images (whose gray levels are represented by 8 bits)to newX and newY by row and column duplication. Returns image in uint8 matrix. Usage of m file: newim = zoomByDuplication('lena.gif',1024,1024); Platforms: Matlab