How to create 3D stereoscopic images using MATLAB using the image tool?

Question

How to create a three-dimensional stereoscopic image from a 2D image using MATLAB?

Answer 1

Either I do not understand your question (people have already indicated that this is unclear), or you misunderstand how 3D vision works. You do not see a 2D image using 3D glass. 3D vision is achieved by feeding two different images, the left image and the correct image, to the left eye and right eye, respectively. At a fundamental level, MATLAB has nothing to do with it.

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Python/OpenCV, :

import cv
SHIFT=8

if __name__ == '__main__':
    import sys
    _, fname = sys.argv
    im  = cv.LoadImage(fname)

    size = cv.GetSize(im)
    width, height = size
    left  = cv.CreateImage(size, im.depth, im.nChannels)
    right = cv.CreateImage(size, im.depth, im.nChannels)
    anaglyph = cv.CreateImage((width - SHIFT, height), im.depth, im.nChannels)

    #
    # This would be easier if we had COI support for cv.Set, but it doesn't
    # work that way.
    # OpenCV uses BGR order (even if input image is greyscale):
    # http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html
    # red goes on the left, cyan on the right:
    # http://en.wikipedia.org/wiki/Anaglyph_image
    #
    b = cv.CreateImage(size, im.depth, 1)
    g = cv.CreateImage(size, im.depth, 1)
    r = cv.CreateImage(size, im.depth, 1)
    cv.Split(im, b, g, r, None)

    zeros = cv.CreateImage(size, r.depth, 1)
    cv.Merge(zeros, zeros, r, None, left)
    cv.Merge(b, g, zeros, None, right)

    #
    # cvRect is ( x, y, width, height ) and it MUST be a tuple, not a list
    # 
    cv.SetImageROI(left,  ( SHIFT, 0, width - SHIFT, height ))
    cv.SetImageROI(right, ( 0,     0, width - SHIFT, height ))
    cv.Add(left, right, anaglyph, None)

    cv.SaveImage('anaglyph.jpeg', anaglyph)

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Answer 2

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