PreCursor is an invisible layer that hovers in front of the screen and enables novel interaction that reaches beyond the current touchscreens.
Using a computer mouse provides two levels of depth when interacting with content on a screen. One can just hover or can click. Hover allows receiving short descriptions, while click selects or performs an action. PreCursor provides this missing sense of interaction to touchscreens. In PreCursor, an infrared laser with a line cap creates an invisible laser plane that sits just in front of the computer screen. Two infrared cameras sit on the bottom two corners of the screen, facing upward at an angle. When the user's finger interrupts the light plane, the finger is lit by the IR light, creating a blob that the cameras can interpret using computer vision techniques. As the blob's position changes, each camera communicates with the other's input, and using Epipolar geometry maps the position of the blob to the screen. PreCursor technology has the potential to expand beyond a basic computer screen. It can also be applied to mobile touchscreens to objects in the real world, or can be the launching pad for creating a 3D space for interaction.
www.pranavmistry.com
Using a computer mouse provides two levels of depth when interacting with content on a screen. One can just hover or can click. Hover allows receiving short descriptions, while click selects or performs an action. PreCursor provides this missing sense of interaction to touchscreens. In PreCursor, an infrared laser with a line cap creates an invisible laser plane that sits just in front of the computer screen. Two infrared cameras sit on the bottom two corners of the screen, facing upward at an angle. When the user's finger interrupts the light plane, the finger is lit by the IR light, creating a blob that the cameras can interpret using computer vision techniques. As the blob's position changes, each camera communicates with the other's input, and using Epipolar geometry maps the position of the blob to the screen. PreCursor technology has the potential to expand beyond a basic computer screen. It can also be applied to mobile touchscreens to objects in the real world, or can be the launching pad for creating a 3D space for interaction.
www.pranavmistry.com
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