Hi all. I am a professional video editor for TV 2 in Norway.
My biggest issue with footage from a lot of DJI cameras is moiree. This includes Phantom (all models, not tested P4P) and Osmo.
Professional tv cameras have a low pass filter installed behind the lens and in front of the sensor that eliminates moiree, but most combined stills and video cameras can't have that because that would be useless for the high resolution stills camera part.
Even if the moiree is not always very visible on a computer screen, it might be very visible and annoying when seen on a television screen. I have even seen expensive Hollywood aerials with the dreaded moiree!
The trick to eliminate/reduce moiree can be to lower sharpness in the recording settings in the camera, but it will not always help.
The solution is to make a small blur between the TV lines (vertically).
First I tried using a blur effect built in to the editing programme and make a small vertical blur. This helped, but as I applied more vertical blur, before all the moiree was gone the picture had become too softened.
By coincidence I tried a Boris Continuum effect called Lens Blur, and that seemed too do the trick! This is a third party plugin available for most editing programmes.
I have tried this in Avid Media Composer, Final Cut Pro X, and Quantel and the result were perfect!
The Lens Blur effect is available in Boris Continuum Complete package, or just the Blur and sharpening category if you don't have the whole package.
Here is what you have to do:
This is tested with a 25 frame rate. I guess 24/30 will do good also, but higher frame rates did not give the desired result. I read somewhere this is due to a limitation in the Phantom cameras ability to process the higher rates.)
For Avid Media Composer:
Project setting must be set to 24/25/30P frame rate (according to your footage) while the effect is rendered. When the effect is rendered the project can be switched back to 1080i50 or equivalent.
Apply the Lens Blur effect from Boris Continuum.
Set the following parameters:
Iris: 1,0
Scale X: 10
Scale Y: 50 (this value can be set higher or lower if needed)
Render.
Done! Moiree is gone.
-------
Final Cut Pro X / Quantel:
Do the same as described above for Media Composer, except the Project can be kept in Interlaced mode if that's your original project setting...
I have not tested this for Premiere Pro, so if someone has the possibility to do so, please report back.
Sent from my iPhone using PhantomPilots
My biggest issue with footage from a lot of DJI cameras is moiree. This includes Phantom (all models, not tested P4P) and Osmo.
Professional tv cameras have a low pass filter installed behind the lens and in front of the sensor that eliminates moiree, but most combined stills and video cameras can't have that because that would be useless for the high resolution stills camera part.
Even if the moiree is not always very visible on a computer screen, it might be very visible and annoying when seen on a television screen. I have even seen expensive Hollywood aerials with the dreaded moiree!
The trick to eliminate/reduce moiree can be to lower sharpness in the recording settings in the camera, but it will not always help.
The solution is to make a small blur between the TV lines (vertically).
First I tried using a blur effect built in to the editing programme and make a small vertical blur. This helped, but as I applied more vertical blur, before all the moiree was gone the picture had become too softened.
By coincidence I tried a Boris Continuum effect called Lens Blur, and that seemed too do the trick! This is a third party plugin available for most editing programmes.
I have tried this in Avid Media Composer, Final Cut Pro X, and Quantel and the result were perfect!
The Lens Blur effect is available in Boris Continuum Complete package, or just the Blur and sharpening category if you don't have the whole package.
Here is what you have to do:
This is tested with a 25 frame rate. I guess 24/30 will do good also, but higher frame rates did not give the desired result. I read somewhere this is due to a limitation in the Phantom cameras ability to process the higher rates.)
For Avid Media Composer:
Project setting must be set to 24/25/30P frame rate (according to your footage) while the effect is rendered. When the effect is rendered the project can be switched back to 1080i50 or equivalent.
Apply the Lens Blur effect from Boris Continuum.
Set the following parameters:
Iris: 1,0
Scale X: 10
Scale Y: 50 (this value can be set higher or lower if needed)
Render.
Done! Moiree is gone.
-------
Final Cut Pro X / Quantel:
Do the same as described above for Media Composer, except the Project can be kept in Interlaced mode if that's your original project setting...
I have not tested this for Premiere Pro, so if someone has the possibility to do so, please report back.
Sent from my iPhone using PhantomPilots
Last edited:
