9/11/2023 0 Comments Turn image into 8 bit![]() In fact, this machine has been used to produce a number of famous datasets like the well known “Dino” and “Temple” models: One of the images from the temple data set acquired by the Stanford spherical gantry. One famous device is the Stanford spherical gantry, which can take photos of an object from points on a spherical shell surrounding. There are a few things about this which may seem a bit contrived for example we might not always know where the camera is and what the lighting/material properties are like however this are a still a large number of physical systems capable of taking these sort of controlled measurements. Given a collection of images of an unknown static object under known viewing configurations and lighting conditions, reconstruct the 3D object. There are a number of ways to formulate this problem, but for this article I am going to focus on the following specialization of the problem which is known as multiview stereo reconstruction: It is a fundamental problem in computer vision to turn a collection of 2D images into a 3D model. There is also some very beautiful math behind it, which I’ll now explain: From 2D to 3D But it is pretty fun, and makes some neat looking pictures. This project was motivated purely by intellectual curiosity, and doesn’t really have too many practical application. In particular, I’m going to tell you how to convert retro 16 x 16 sprites into 3D miniatures: Turning an 8-bit sprite into a 3D model ![]() Continuing in the recreational spirit of this blog, this week I want to write about something purely fun. ![]()
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