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- | ====== GSA Image Analyser ====== | + | ====== GSA Image Analyser |
**Useful Links**: | **Useful Links**: | ||
[[http:// | [[http:// | ||
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* **Object counting**\\ | * **Object counting**\\ | ||
- | ======7. Extra====== | + | **Video Tutorials** |
- | + | {{youtube> | |
- | =====7.1 Cut and count===== | + | {{youtube> |
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- | This menu item provides a tool for the manual counting of image objects. The current image file will be divided into subframes according to the setting given in field Cut after. | + | {{youtube> |
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- | Figure 28. Setting for image cutting | + | |
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- | Press the button Cut in order to cut the image and to reset the counter readings. | + | |
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- | Figure 29. Cut and count | + | |
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- | All subframes are listed in the left scrollbox. The active frame marked with a red border will be displayed on the work space. | + | |
- | In the example shown in figure 29 the image was cut into 15 subframes. By means of the keys 5 (forward) and 4 (back) a change of the active subframe is possible. The counter will be updated by the keys + or -. | + | |
- | All functions can be controlled over a popup menu. | + | |
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- | Figure 30. Popup menu – right mouse button | + | |
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- | Press the button Reset counter in order to reset the counter of the active subframe. | + | |
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- | The total counter reading will be shown after reaching the last subframe. | + | |
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- | =====7.2 Calibrate===== | + | |
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- | With the help of this function the DPI parameters can be matched with the actual proportions. | + | |
- | This will be necessary for instance if the magnification factor of a digital camera is unknown. An image containing a scale is needed here (see figure 31). | + | |
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- | Figure 31. Image calibration by scale | + | |
- | 1. Select calibration distance and unit | + | |
- | 2. Press the left mouse button and go along the line | + | |
- | 3. Press the button Finish | + |