Future of Input: Mouseless

Mouse was invented decades ago as the innovative mode of input to Personal computers, since then, it has changed a little. Apart from Apple’s magic mouse, there was not enough innovation in this field.

Various multitouch and gestural interaction technologies have been explored as means to implement alternative methods to interact with a computer. Despite these advances in computing hardware technologies, the two-button computer mouse has remained the predominant means to interact with a computer.

But this could all change in the Future. The innovator Pranav Mistry comes with yet another proof of concept for computer input that could change the way we communicate with our PCs. The Mouseless invention removes the requirement of having a physical mouse altogether but still provides the intuitive interaction of a physical mouse that we are familiar with.

Watch the demonstration:

How Mouseless Input Works

As pranav Mistry explains it:

Mouseless consists of an Infrared (IR) laser beam (with line cap) and an Infrared camera. Both IR laser and IR camera are embedded in the computer. The laser beam module is modified with a line cap and placed such that it creates a plane of IR laser just above the surface the computer sits on. The user cups their hand, as if a physical mouse was present underneath, and the laser beam lights up the hand which is in contact with the surface. The IR camera detects those bright IR blobs using computer vision. The change in the position and arrangements of these blobs are interpreted as mouse cursor movement and mouse clicks. As the user moves their hand the cursor on screen moves accordingly. When the user taps their index finger, the size of the blob changes and the camera recognizes the intended mouse click.
As work is done on better Programmatic vision algorithms, an extensive library of gestures could be implemented in addition to mouse movement and mouse clicks. Typical multitouch gestures, such as zooming in and out, as well as novel gestures, such as balling one’s fist are all possible. In addition, the use of multiple laser beams would allow for recognition of a wider range of free hand motions, enabling novel gestures that the hardware mouse cannot support.

Cost of Ownership for Mouseless Input

Now that you know how it works, it shouldn’t be hard to guess cost to manufacture this system. The team was able to build it under $20.

Related: The Future Input Device: Your Skin

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