spectral

How to create a sensible Hilbert Spectrum plot with R (computing environment)

I am using the EMD package for R. This package has a spectrogram function for displaying a Hilbert Spectrum (calculated with hilbertspec). The output however, is really vague and black-white. This function does not seem to have an option for outputting color images. How can I get the spectrum displayed clearly and if possible in color. ...

Free Spectral Images database?

I am working on a project "object detection using multi spectral imaging", but i am finding troubles because i dont have images to start testing my ideas. Now i am working with the hardware. Please Does any one knows a database for any spectral imaging(faces, flowers,..etc) such that i can test my ideas for classification until i finish ...

Read/write data from command line using PHP

Hey everybody, I have a server (debian lenny), spectral analyzer and I have downloaded collection of source codes from Steve Sharples's site. With these s. coudes I am able to connect to spectral analyzer - type command and get the responce. For example: my-atom:~/vxi11# ./vxi11_cmd 135.123.106.59 Input command or query ('q' to exit):...