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Blob tracking has now been updated to work without requiring prior segmentation of the image. You can still run it on a segmented image, but, that is not needed anymore. Use the copy color feature of the OpenMV IDE to get a color in the image. Once you have that you can then pass the color to find_blobs which will output a tuple of lists of blobs for each color. By default, all blobs less than 1/1000th of the image are filtered out, however, you can add a custom filter function which gets the image and the blob about to be added to the list and you can decide to filter it or not. For marker tracking, we now have a function called find markers which basically merges all the blobs found by find blobs into one list of blobs. Each new blob will have a color code value which will tell you what colors are part of that blob. We support tracking up to 30 unique colors this way. |
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| .. | ||
| 01-Basics | ||
| 02-Board-Control | ||
| 03-Drawing | ||
| 04-Image-Filters | ||
| 05-Snapshot | ||
| 06-Video-Recording | ||
| 07-Face-Detection | ||
| 08-Eye-Tracking | ||
| 09-Feature-Detection | ||
| 10-Color-Tracking | ||
| 11-LCD-Shield | ||
| 12-Thermopile-Shield | ||
| 13-BLE-Shield | ||
| 14-WiFi-Shield | ||
| 15-Tests | ||