superimposition

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superimposition 

The ability to see two similar images superimposed but not mentally fused. Examples: seeing a bird in a cage with both eyes in a synoptophore when one eye is presented with a bird and the other with a cage; seeing the letter E in a synoptophore when one eye is presented with the letter F and the other with the letter L. See Worth's classification of binocular vision.
References in periodicals archive ?
Once students master the color key, they can learn how to distribute the color key to multiple focus areas on the stage.
The color keys were inadvertently reversed on the following graphs.
The biggest challenge for Chrontel was to maintain high performance color key support while using the analog RGB inputs," stated Ken Lowe, Chrontel's director of marketing.
Support for video overlays allows for fast video performance by multimedia applications that use color key "blue screen" functions of Microsoft's DirectDraw API.
The Dynamite 128/Video offers revolutionary graphics performance and powerful multimedia features, including color key support and the ability to accelerate up to four video windows simultaneously without visible performance degradation.
Sentinel also manufactures a DisplayMaker-compatible continuous ink system, the "Sentinel Color Key Ink Delivery System.
AuraVision's new chip basically functions as a video DAC with an overlay feature that includes color key detect from VGA data and chroma key from the video data while also handling all overlay transitions.
Over 250 pieces of concept art from Toy Story 3 pack a survey filled with storyboards, color keys, reference photos and much more