Eel otolith preparation for ageing

 

 

Image processing

Method - Material - Technic

Method

Material

Binocular and PC with image acquisition and processing software.

Technic

1. Capture of the image.

2. Capture the largest and most precise image as possible with reflected light.

3. Save a color image and an image in level of greys.

4. Calibrate the image (either record the magnification, or calibrate with the acquisition software).

 

 
Copyright Cemagref Bordeaux
Françoise Daverat -Christine Gazeau-Naudin -Philippe Camoin 2005
 

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