The Angry UFOlogist

Near-Infrared Mapping with DJI Mavik Pro Drone and Using Custom Filters

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Added by The Angry UFOlogist in Physics Science


Using a relatively simple custom "InfraBlue" filter and the imaging capabilities of the DJI Mavik Pro drone, I have been able to create Vegetation-Index maps with a surprising amount of resolution and detail considering the low-cost, ease of deployment and speed of the analysis of this procedure, done using a custom Matlab program.

The filters I have made are a "Congo Blue" Lee filter combined with a UV filter to eliminate some fluorescence that the filter gel itself creates which can cause some over-saturation in the blue. I refer to this as an "Infrablue" filter.

Using my DJI Mavik Pro drone, I have, over the course of the summer and autumn of 2018, successfully deployed my filter on imaging flights in many different environments across Ireland and Cyprus - 2 countries with a wide range of different environmental conditions for vegetation to grow but nevertheless facing similar problems in different ways.

It is hoped that this work can contribute to the already rich subject matter in this field, in particular the open-source communities involved with creating affordable and easy to use vegetation diagnostics for ecosystems, sustainable agriculture and environmental monitoring in general.

My own research in this topic is ongoing and will continue in 2019 as I gather the funds to purchase the latest Mavik Pro 2 Drone and build an appropriate filter and analysis program for the images involved, with the hope that further applications can be found in particular for active environmental monitoring using drones carrying more sophisticated sensor equipment.

Music Credit - Traxx Discovery (Pyramid Remix)

Tags: MuonRay, Science

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