wiki:v2:some_tips_on_generating_color_signatures_2
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wiki:v2:some_tips_on_generating_color_signatures_2 [2018/05/23 22:39] pixycam |
wiki:v2:some_tips_on_generating_color_signatures_2 [2018/05/28 20:48] jfrench minor edit |
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| - | A good exposure setting leaves almost all of the pixels in your object correctly exposed, but not too dark (underexposed). It's OK for small parts of your object to be overexposed, especially if your object is shiny. See the picture below -- note that a small part of the object (yellow ball) has a black region indicating overexposure. This is fine. | + | A good exposure setting leaves almost all of the pixels in your object correctly exposed, but not too dark (underexposed). It's OK for small parts of your object to be overexposed, especially if your object is shiny. See the picture below -- note that a small part of the object (red ball) has a black region indicating overexposure. This is fine. |
| {{wiki:v2:image_220.png}} | {{wiki:v2:image_220.png}} | ||
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| One of Pixy2's goals is to be able to easily learn different objects without needing to hook it up to a computer. The button-press teaching method allows you to do this. But for certain objects and/or lighting conditions, the button-press method might need some adjusting. The **Signature teach threshold** setting in the **Expert** tab allows you to adjust how inclusive Pixy2 is when determining which pixels are part of the object during teaching. You can adjust the **Signature teach threshold** while Pixy2 is in teach mode, so you can get "live" feedback while choosing a good threshold. | One of Pixy2's goals is to be able to easily learn different objects without needing to hook it up to a computer. The button-press teaching method allows you to do this. But for certain objects and/or lighting conditions, the button-press method might need some adjusting. The **Signature teach threshold** setting in the **Expert** tab allows you to adjust how inclusive Pixy2 is when determining which pixels are part of the object during teaching. You can adjust the **Signature teach threshold** while Pixy2 is in teach mode, so you can get "live" feedback while choosing a good threshold. | ||
| - | {{wiki:img:96850007a4625a986b35498b8eb11450232fb235.jpg?400}} | + | {{wiki:v2:image_230.png}} |
| - | The picture below is an example of a threshold that is too inclusive. Note the regions that are not part of the purple dinosaur (the intended object). In this case, you should reduce the threshold. | + | The picture below is an example of a threshold that is too inclusive. Note the regions that are not part of the green duck (the intended object). In this case, you should reduce the threshold. |
| - | {{wiki:img:5ad10fe37bce71897bf181fee9077186af974a9c.jpg?400}} | + | {{wiki:v2:image_235.png}} |
| - | The picture below is an example of a threshold that is not inclusive enough. Note that the regions do not include much of the purple dinosuar. In this case, you should increase the threshold. | + | The picture below is an example of a threshold that is not inclusive enough. Note that the regions do not include much of thegreen duck. In this case, you should increase the threshold. |
| - | {{wiki:img:8a6cd13952d3307cb98ba56df1c334b980c64f9b.jpg?400}} | + | {{wiki:v2:image_238.png}} |
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| + | The picture below is an example of a good threshold. | ||
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| + | {{wiki:v2:image_231.png}} | ||
wiki/v2/some_tips_on_generating_color_signatures_2.txt · Last modified: 2018/09/28 19:58 by jfrench
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