The phrase "mask out" is correct and can be used in written English.
You can use it to describe an action of obscuring something or making it less prominent. For example, "We used Photoshop to mask out the background of the photo."
I took my gas mask out of its case and filled the case with jam.
A concurrent series of very high-resolution satellite images was procured and these images were used to mask out trees.
The 'FMask' algorithm36 was used to detect and mask out all non-valid data, such as clouds, shadows, snow/ice, and nodata pixels.
Moreover, the effect of the laterality of stimulus presentation or response is often counterbalanced by the use of both hands or mask out using control tasks.
Masking digital polygons were manually delineated to define the extent of the quadrat and mask out large rocks within each image.
A similar process is done on the target images to mask out the faces and intelligently put your own in their place — and voila!
They also hardly leak any sound at all, so you can raise your listening volume to mask out more sound without bothering those around you.
To mask out very rare tags, we filtered tags to include only those observed five or more times in each of the three species.
To mitigate the possibility that simple repeats might influence these results, we used RepeatMasker [ 3] to mask out likely repeat sequences.
For subsequent window centers, and to ensure that windows are not clustered together, we mask out from further consideration pixels that lie too close to previously selected centers: (23) f (p ) < t d ⇒ G s (p ) ← ϕ.
Next, a high resolution tree cover map was created by segmenting the LIDAR data and NAIP imagery [ 25, 26] and further used to mask out everything but tree crowns on the nDSM.
