User:Fayemech

User manual for hyperspectral image


 * 1) First open the test2.fig. It will look like this.
 * 2) Select File then select open.
 * 3) Select the *.lau file which you want to open.
 * 4) It will then show an image above. left click on any point on this image. The bottom part will show the wavelength information of that point which captured by the hyperspectral camera.
 * 5) The image show on the bottom part was the wavelength information.
 * 6) Then you can press ‘q’ on the keyboard, it will open another window, you can continue left click on the new window until you select a close region. Right click on it, chose create mask.  The new widow will now be close and the average spectrum that you are selected will be show on the bottom of the original window. Counties use ‘q’ on the original will give you multiple ROI spectrum on the original widow until you press ‘e’ to clean them.
 * 7) Here shows the spectrum information from the yellow circle I chose.  Then you can press ‘w’ on the keyboard, it will average together the spectrums of all pixels in the crop square. This spectrum will become the spectrum of the light source.
 * 8) If you want to start with a new set of ROI, you can press ‘e’, it will clean all the spectrum but left the light source spectrum.   After you finish the ‘w’ and ‘q’ part, you now can press File in the original window again and select save, it will write a CSV file with the information from most recent ‘q’ part, which means, the most recent Region Of Interest and insert the coordinate information at the first two cols. It will also insert the light source spectrum in the first row with first two cols as [-1, -1].