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it's a cmake / networking problem. cmake tried to download some precomputed descriptor files for the xfeatures2d module, but failed to do so.

can we see your cmake output ? (there should be more details in there)

if you think, your cmake is too old, try to update that first

you can download the missing files manually (a dozen small things, see here)

it's a cmake / networking problem. cmake tried to download some precomputed descriptor files for the xfeatures2d module, but failed to do so.

can we see your cmake output ? (there should be more details in there)

if you think, your cmake is too old, try to update that firstfirst. if you downloaded 2.3 release , try to update to latest github master, there were some recent changes to those parts, maybe that fixes it.

you can download the missing files manually (a dozen small things, see here)

it's a cmake / networking problem. cmake tried to download some precomputed descriptor files for the xfeatures2d module, but failed to do so.

can we see your cmake output ? (there should be more details in there)

if you think, your cmake is too old, try to update that first. if you downloaded 2.3 release 3.2 release , try to update to latest github master, there were some recent changes to those parts, maybe that fixes it.

you can download the missing files manually (a dozen small things, see here)

it's a cmake / networking problem. cmake tried to download some precomputed descriptor files for the xfeatures2d module, but failed to do so.

can we see your cmake output ? (there should be more details in there)

if you think, your cmake is too old, try to update that first. if you downloaded 3.2 release , try to update to latest github master, there were some recent changes to those parts, maybe that fixes it.

if nothing else works, you can download the missing files manually (a dozen small things, see here)