Questions tagged [photogrammetry]

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Photogrammetry retopology/projection like Zbrush

I am doing some photogrammetry scans using Agisoft Photoscan and importing the scans to Blender. The problem is that the UV maps are a mess, the meshes have too many polygons. The most common ...
3
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1answer
44 views

3D model photogrammetry in blender software

I would like to know a 3D photogrammetry model is it more difficult to read in blender versus a normal or cartoon model ? I send screenshots of 3D photogrammetry model (if I'm not mistaken) and normal ...
2
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0answers
66 views

Workflow for using A LOT of reference images at precise angles?

I am going to sculpt a human head based on a model whose image is captured at VERY precise angles for this purpose. I think the angles those images are taken at are increments of 11.25 degrees: {-45....
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0answers
73 views

Convert large number of cameras to vertices with normals

I'm using Agisoft Metashape to create 3D models for Blender and I want to render some images in Blender that also show where the photographs were taken, with a little camera object at each location. I ...
2
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0answers
191 views

Turning Point Cloud with vertex color and normal data into a Mesh using nodes?

Not quite sure if this is a too big of a question to answer using Sverchok, but I will ask anyway: if we have Point Cloud data, each point has Color info and Normal info, how hard it is to turn it ...
1
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1answer
197 views

Is there a photogrammetry addon or setup that works similar to FaceBuilder addon for NUKE?

Is there an arrangement that allows similar pinning of a generic (initially) mirrored mesh/facemesh ? KeenTools FaceBuilder Demo 2018 I'm fairly sure Blender can come close to this with existing ...
1
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0answers
18 views

It's possible to create a 3D or 2.5D video/animtation using the alembic file from photogrammetry?

my interest is about how create fast renders with the images aligned by photogrammetry. I think it's appropiate to use the alembic file (*.abc) from a a photogrammetry software such as meshroom. I ...
1
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0answers
12 views

How to concurrently layer a second set of image data over a 3d mesh?

I am concurrently recording RGB and thermal data and I would like to map the thermal data along with the RGB data on to the 3d mesh after the model is rendered. Any advice?
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0answers
269 views

How to slow down camera movement?

I am trying to do photomatching in blender where I need to manually match the camera position to the object I'm modelling. My source image has really small focal length 13mm which makes the camera ...
1
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0answers
22 views

Normalize light fall off

I want to 3D scan an object, take pictures, determine the camera positions (using f-spy) and then texture paint (in stencil mode) the textures onto the object. Of course, the images taken have ...
0
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1answer
496 views

mtl file after exporting comes without texture map (map_kd …)

I am quite new to blender. I have retopologized a high poly model with texture and then bake the texture (all in cycles) to the new model in blender. When I export the obj file the mtl file comes ...
0
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1answer
158 views

Make the edge of a model smoother

I have a mesh that resulted out of a photogrametrie and that I'm editing in blender. I'm trying to remove the scattered part of the edge at the end of the mesh so that the mesh has a smooth end (as ...
0
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1answer
438 views

Photogrammetry using blender to Create a Dense Mesh and automatically texture them

Photogrammetry is the basic requirements when you are working with rocks and other nature assets. I searched the whole internet in order to find out if there is any tool which can help me in that. To ...
0
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3answers
1k views

from photo to 3d image

my question is, can you take a single photo en convert it to grayscale relief or 3d? for example i have a photo off my kids and i want to create a file so i can get a sort of 3d effect that i can ...
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0answers
20 views

Some textures are missing when exported to OBJ

I am new to Blender and currently using it to model real-life people. I use Meshroom to perform the photogrammetry of the body, and later use the FaceBuilder addon from KeenTools for a better looking ...
0
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0answers
33 views

How can i close a hole with two perpendicular planes?

first of all. Sorry for this dumb question. I'm relatively new to blender and i've been learning troughout tutorials but i hit a wall and i would appreciate so much a little help. I'm trying to fill ...
0
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1answer
32 views

moving vertices along view axis between camera and vertex position

I do want to model something that i a have photographed in 2 different perspectives. So after modeling it looking through one camera, i do want to slide the vertices back and forth along the vector ...
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0answers
13 views

Can I create an stop motion animation with different 3D scans per frame?

If I had a real life stop motion animation of a character that I photoscan each frame to generate a mesh and texture object, is there an easier way of showing these scans per frame other than having ...
0
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0answers
18 views

Using blender to simplify a photogrammetry .obj model

I have an obj model created using the photogrammetry software metashape, and I want to use the remesh modifier to simplify the model, but the current texture is laid out in such a way that this would ...
0
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1answer
47 views

Blender Crashes when Baking High Resolution Textures “Circular Dependency” error

I have a high poly (1,3 Mio faces) photo scanned mesh with 17 generated 8k textures (totalling 500 MB) All the texture are looking something like this one here: My goal is to bake those 17 diffuse ...
0
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0answers
25 views

FBX Cameras from Photoscan into one Camera Animation

I am stabilizing a shot and unfortunately the Cameratracking didn't work as good in Blackmagic Fusion. Now I created a perfect photoscan from that Cameramotion with one camera per Frame. How can I ...
0
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1answer
54 views

How can I make better UVs for my photogrammetry models?

Smart UV project is making some pretty terrible UVs for my photogrammetry scans: Lots and lots of tiny islands. I already tried changing the smart UV project settings. I need margin at .1 so I can ...
0
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0answers
130 views

combining photogrammetry and a model in blender

Where to start, i've run out of googling for the answers. I Scanned a dolls house, with the intention of recreating it perfectly. However, the scan has a few holes in the mesh, and has about 3 million ...
0
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0answers
76 views

Using imported model created by photogrammetry as a reference to create other model

Would it be possible to have a transparent textured model created by using photogrammetry in the "background" to use as a reference while making a regular 3D model? What would be the best way to go ...