How to extract depth map from .heif image created with iphone X using imagemagick

Question

i created an image with my own iPhone app. The image is in .heif format and it contains the depth map. (i know this because the Photos app recognizes it)
I now downloaded and installed imagemagick. 
and ran the following command:

magick identify -verbose orginal.HEIC

This shows me only three channels (Channel 0, Channel 1, Channel 2). I guess these are the rgb colors of the image.

How can I access the depth data of this image?

andrewdotn · Accepted Answer

I don’t know about using ImageMagick itself, but ImageMagick relies on libheif, and if that’s installed, e.g., with brew install libheif, then the heif-convert example program will do this.
# heif-convert IMG_0123.HEIC blah.jpg
File contains 1 images
Written to blah.jpg
Depth image written to blah-depth.jpg

RoseEatsRice · Answer

Good luck !
Without developer accees snd signing a non disclosure you wont get aceess to the IP

How to extract depth map from .heif image created with iphone X using imagemagick

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