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Hello. Is it possible to use an existing 3d model for photogrammetry process?
I 3d scan buildings using a laser scanner Artec Ray. Unfortunately it doesn't capture the textures. I've tried to make a 3d scan, then a set of photos, create a textured model in Zephyr and then bake textures to me 3d scan, but there I have problems. Photogrammetry doesn;t give the perfect shape so I cannot align two models perfectly and suffering from texture artifacts. And I need accurate measured 3d model with good textures. If it weren't buildings but for example a chair I will be able to use handheld 3d scanners as they capture textures. But It's impossible to capture the whole building using a device with tiny FOV. SO I came up with the idea what if I could use my 3d scan as a base for photogrammetry to proceed photos to a 3d model, which will probably give me more accurate alighn of my textures.
I 3d scan buildings using a laser scanner Artec Ray. Unfortunately it doesn't capture the textures. I've tried to make a 3d scan, then a set of photos, create a textured model in Zephyr and then bake textures to me 3d scan, but there I have problems. Photogrammetry doesn;t give the perfect shape so I cannot align two models perfectly and suffering from texture artifacts. And I need accurate measured 3d model with good textures. If it weren't buildings but for example a chair I will be able to use handheld 3d scanners as they capture textures. But It's impossible to capture the whole building using a device with tiny FOV. SO I came up with the idea what if I could use my 3d scan as a base for photogrammetry to proceed photos to a 3d model, which will probably give me more accurate alighn of my textures.
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