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Airborne Detection and Tracking

Overview

The Airborne Object Tracking (AOT) dataset is a collection of flight sequences collected onboard aerial vehicles with high-resolution cameras. To generate those sequences, two aircraft are equipped with sensors and fly planned encounters.

The trajectories are designed to create a wide distribution of distances, closing velocities, and approach angles.

In addition to the so-called planned aircraft, AOT also contains other unplanned airborne objects, which may be present in the sequences. Those objects are also labeled but their distance information is not available.

Airborne objects usually appear quite small at the distances which are relevant for early detection: 0.01% of the image size on average, down to a few pixels in area (compared to common object detection datasets, which exhibit objects covering more considerable portion of the image). This makes AOT a new and challenging dataset for the detection and tracking of potential aerial collision threats.

Dataset

The complete training dataset size is ~>11TB. You can access the dataset in public S3 bucket hosted at s3://airborne-obj-detection-challenge-training/ by the authors.

Preprocessing

I downloaded partial dataset (85GB) which includes all the frames with valid encounter of planned airborne object at a distance of 500m from camera. Remove classes other than ['Airplane', 'Helicopter'] and changed it to a single class dataset as Airborne

In total I collected 46314 Images each with a resolution of 2448 X 2048.

Detection

You can download model files from here
Follow this repo for traning and inference.

Yolov5m6 - 0.995 mAP @0.5



animated
Locally captured an aeroplane taking off

Tracking

DeepSORT has out-performed as compared to SORT and Centroid Based Tracker(CBT). One common known drawback of SORT and CBT is that missed detections lead to inaccurate tracker.

DeepSORT



SORT



Centroid Based Tracking



More Deep learning based Tracker results to come.

Credit

ultralytics Mikel Brostrom abewley

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