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Simple Descriptor Sample

This demo shows how to stream descriptors from a Bottlenose camera.

This example assumes that any other settings related to image quality such as exposure, gain, and CCM is properly set. Please use Stereo Viewer or eBusPlayer to configure the image quality to your liking.

The Python script shows how to:

  • enable chunk data transmission for FAST keypoints.
  • set descriptor parameters
  • enable chunk data transmission to obtain the descriptors associated with the keypoints

Setup

Change the following demo parameters to your desired settings.

Parameter Description
--mac (optional) The MAC address of the camera. Assumes the first available camera if not specified.
--max_features (optional) Maximum number of keypoints to transmit. Default = 1000
--threshold (optional) Threshold for the FAST algorithm. Default=20
--nms (optional) Set to use non-maximum suppression with FAST. Default=false
--dlen (optional) Select the length of the AKAZE descriptor in bits. default=120
--dwin (optional) Select a window size for AKAZE computation. Default=20, for a 20x20 window

Usage

python demo.py <parameters>

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