The other five cameras capture 2MP images in red edge, near-infrared, green, red, and blue wavelengths. The global shutter and 3-axis stabilized gimbal help ensure the resulting images are clear, even while flying at higher speeds. While flying, you can switch between the two feeds to maximize data collection and focus on areas that need the most attention.
An integrated spectral sunlight sensor on the top of the P4 Multispectral quadcopter works in conjunction with the gimbal camera to achieve the most accurate NDVI results possible. The sensor captures solar irradiance to help increase accuracy and maintain consistency in processed data through different times of the day.
The P4 Multispectral drone includes an RTK module that can be used to help increase the accuracy of GPS location data. The P4 Multispectral is compatible with the included D-RTK 2 Mobile Station and NTRIP.
Real-time accurate data collection in the drone's imaging, down to the centimeter, thanks to DJI's TimeSync system. TimeSync has the P4 continually aligning the flight controller, gimbal camera, and RTK module; fixing the positioning to the center of the CMOS. This helps give your photos extremely accurate metadata for post-processing software to utilize.
In addition, the gimbal cameras have already gone through a calibration process where radial and tangential lens distortions are measured. The distortion information is saved to each image's metadata, allowing optional post-processing software to adjust for more accurate results.
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