It all looks like a random collection of dots at first. But the emoji is hidden by something called an autostereogram. Some may know it simply as Magic Eye due to a series of books on the trick.

Conclusion: The proposed GFDRDSS can alternately project a couple of random-dot stereograms to the subjects’ eyes and provide a glasses-free distance stereotest, which showed good concordance with the ...

Purpose: To investigate the influence of induced aniseikonia on stereopsis measured by contour-based and random-dot-based stereograms using a new method. Methods: Unlike previous studies in which ...

In this paper, we investigate the effect of vergence-accommodation conflict and parallax difference on binocular fusion for random dot stereograms. The aim of this paper is to provide a study on ...

Random-dot stereograms are relatively simple versions of stereograms: they are sets of two images which only contain dots. Rather than forcing a cross-eyed or wall-eyed stare, the images are ...

Random-dot stereograms are relatively simple versions of stereograms: they are sets of two images which only contain dots. Rather than forcing a cross-eyed or wall-eyed stare, the images are presented ...

In 1959, he created the random-dot stereogram, in which dots are arranged in a meaningful way on a flat surface. Julesz’s stereograms were made with two images that appeared to become one ...

You child's eye exam should: 1) Check that the muscle balance is normal and that they see 3-D by identifying shapes, animals, or letters present on a random dot stereogram. 2) Measure the distance ...

There, Baccei saw one of the single image random dot stereograms and was amused by the visual trick. While it appeared to be nothing more than television static, focusing on it revealed circles ...

Based on an included paper - "Displaying 3D Images: Algorithms for Single Image Random Dot Stereograms" by Harold W. Thimbleby, Stuart Inglis, and Ian H. Witten. Image below contains example of SIRDS ...