Converting Real-World Objects to 3D Models
In my exploration of transforming real-world environments into simulations for Extended Reality (XR), I've identified a series of steps that can facilitate the creation of 3D models. Here are the steps that i followed to achive it :
Requirements
- A mobile device (though a DSLR camera is preferable for higher quality)
- A depth camera (optional, but beneficial for capturing depth information)
Step 1: Data Collection
The initial challenge lies in data collection. To ensure the best results:
- Position the object in a well-lit setting to avoid harsh shadows.
- Capture images from various angles without limiting the number of photos.
Use the following camera settings for optimal captures:
- ISO Settings: Keep it at 100 for minimal noise; avoid exceeding 800.
- Aperture: Maintain between f/9 and f/13 to ensure sufficient depth.
- Shutter Speed: Set to 1/200 or faster to minimize motion blur.
- White Balance: Set a fixed color temperature.
- File Type: Use JPG for convenience, or RAW/TIFF..
- Focus: Utilize autofocus for ease and consistency.
- Flash: Keep it off to prevent unnatural lighting.
Step 2: Image Editing
Refine the captured images by:
- Cropping to highlight the object.
- Enhancing highlights and sharpness to accentuate details.
- Adjusting contrast and brightness for clarity.
- Ensure the edges and features are distinct for the next step.
Step 3: Photogrammetry Process
Use Reality Capture, a tool that's free until the point of export, for the photogrammetry process.
Import the edited images from Step 2 and start the photogrammetry.
Step 4: Model Refinement
In the tool, make necessary adjustments to:
- Align images correctly.
- Register photos for accurate positioning.
- Determine the level of mesh generation for model detail.
- Apply texturing and coloring for realism.
Step 5: Exporting the 3D Model
The final 3D model is now ready to be exported to simulation engines like Unity or Unreal Engine for use in XR applications.
1 Reply
Great rundown, @Yash Naidu