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How to View Stereo 3D Photos and Videos with the Crossview Method

September 27th, 2010 · 5 Comments · Other S3D Tech

By using the simple cross eye viewing methodology you can learn to see the depth in stereoscopic image pairs without the need of special hardware, although the technique might not be as easy and comfortable for longer use as using specialized hardware for 3D viewing. By following an easy tutorial and dedicating some time you’ll most likely be able to quickly pick up the technique to cross-view 3D content and to help you do that you can watch the video tutorial above prepared by Rhialto. The idea behind cross eye viewing of stereoscopic images is as the name implies by crossing your eyes, so that the left eye looks at the right image and the right eye at the left with the standard positions of the left and right images are reversed for that to work. You will learn to cross your eyes and focus in front of the stereo pair in order to fuse the two images into one that will have the stereoscopic 3D effect, so you’ll perceive the depth. This is precisely why when some stereo 3D images are presented for cross eye viewing they are labeled as such, because their left and right frames are reversed as opposed to normally the frame for the left eye being on the left and the right one on the right. You should be aware of the fact that most stereoscopic players photo and video do support the changing of the left and right frames inside a 3D photo or video, so you can easily switch them between parallel and cross-view format, even if they are not made for the one or the other by default.

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5 responses so far ↓

  • 1 Helifax // Sep 27, 2010 at 18:00

    Very INTERESTING! I managed to get it after a few tries but it’s very hard and you get tired very fast. The main idea is not to focus on any of the images, instead try to view them as a whole. It is kinda hard to describe in words what your eyes should do thou:P

  • 2 CrystalCowboy // Sep 27, 2010 at 20:04

    I am in a field which has been using stereo image pairs for decades. Divergent eye layout is preferred to cross-eyed.

    Sometimes publications use image trios ( L – R – L) to accommodate both divergent and cross-eyed viewing.

  • 3 Rhialto // Sep 27, 2010 at 22:38

    Glad it worked for you Helifax.

    CrystalCowboy: the parallel viewing method is more limited due to the fact that the eyes cannot move much to focus where needed compared with crossing the eyes where having from small to bigger separation is less a problem.

  • 4 Carol Magalhães // Sep 2, 2011 at 23:46

    Omg! I never got to do that, and now thanks to this video i finally did !! Omg im so happy hahahaha thank you so much !!

  • 5 Utzu // Jan 16, 2012 at 14:25

    Very nice tutorial.
    I linked it in my blog (please send me a mail if you disagree).

    I think there is an important difference between divergent and crosseye view. Crosseye view is used in daily routine, when we’re looking at anything (closer or further). Divergent (parallel) is never used in the daily routine. Even when we look at the stars, the view is very close to parallel (which is healthy by the way) but still convergent. Crossing the parallel border to divergent…this isn’t a normal job for the eye muscles.

    Also, the parallel view images usually have limited size (~6cm±), whilst crosseye view have practically no size limitation. I’m playing PC games in crosseye on a 32″ screen and it’s relaxing. I wouldn’t imagine doing this with diverged view

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