• Photography basics: Depth of Field and composition

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    Depth of field is the range within which focusing is resolved in a photo.
    Aperture has a huge affect on to the depth of field.

     

     

    Changing the f-stops (f/#) of a lens will change aperture and as such the DOF.

    f-stops are a just certain number which is telling you the size of the aperture. That’s how f-stop is related to aperture (and DOF).

    If you increase f-stops, it will increase DOF, the area in focus (and decrease the aperture). On the other hand, decreasing the f-stop it will decrease DOF (and increase the aperture).

    The red cone in the figure is an angular representation of the resolution of the system. Versus the dotted lines, which indicate the aperture coverage. Where the lines of the two cones intersect defines the total range of the depth of field.

    This image explains why the longer the depth of field, the greater the range of clarity.

  • 3D Gaussian Splatting step by step beginner course

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    Arkadiusz Szadkowski : Splats vs Points vs Mesh


    🔸 Gaussian Splats: imagine throwing thousands of tiny ellipsoidal paint drops. They overlap, blend, and create a smooth, photorealistic look. Fast, great for visualization, but less structured for measurements.

    🔸 Point Clouds: every dot is a measured hit. LiDAR or photogrammetry gives us millions of them forming a constellation of reality. Amazing for accuracy, but they don’t connect the dots out of the box.

    🔸 Meshes: take those points, connect them into triangles, and you get very realistic surfaces. Strong for 3D analysis, simulation as continues watertight models.

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