Gesture Sequence Navigation

Gesture sequence navigation is a specific subset of gesture sequences, concerned solely with moving the user's focal point around in a simulated environment. Like all gesture sequences, it consists of a command given to the system by a series of separate gestures – hand, finger, arm or general body movements that are detected in some fashion by the interface hardware. By using a gesture sequence, the interface allows complex commands to be performed with minimal learning curve by the user.

The first gesture opens up an invisible menu of a sort – it primes the system to expect the second gesture. If the second gesture is not one of the acceptable options, or no second gesture is forthcoming, the system acknowledges the initial gesture was not a command, and does not process it further.

So, if the user points to something interesting, to show another user or to get things straight in their mind, they do not find their focal point zooming across the map to whatever they pointed at. Worse, if they rest their chin on an upraised finger as some individuals are wont to do, they do not find themselves zooming upwards towards a random point that coincides with the direction their finger was pointing. Such actions are spatially disorientating, disrupt work flow and increase user frustration with the system.

By using sequences instead – point then perform a second gesture such as miming pulling it towards you – such mistakes are completely avoided. The interface is still natural and intuitive, but it is unlikely in the extreme that navigation will occur by accident.

See Also: Touch Sequence Navigation, Multimodal Sequence Navigation, Natural User Interface, Gesture, Gesture Sequence, MoCap

Below, we offer a selection of links from our resource databases which may match this term.

Gesture Sequence

Gesture Sequence Navigation

Touch Sequence Navigation

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Animation: Gait and movement differs according to wealth
A look at using a pool of sequence files and the socio-economic status of an NPC, to create a set of sequence files for their avatar that makes their behaviour both unique and believable.

Swapping Data Across Devices with a Gesture
The stuff of numerous sci-fi films – the concept of with no more than a gesture, moving data wholesale from one computer to the next, has been made real, with a device not only functional in the lab, but already on its way to mass market commercial use, integrated in satellite and cable TV units.

Combining MoCap and Gesture Recognition
MoCap - Motion Capture - for all its impressive abilities, has definite limitations in terms of sensory fidelity, the expense and bulk of the rig. Gesture control is cheap and captures every little movement, but easily overwhelmed. Is a hybrid system possible?

GPS for Buses
German researchers are working on a system which they hope will encourage more people to use public transport: A vehicle-independent and company-independent GPS navigation system for public transport, modelled on the way in-car GPS navigation systems work.

A Downside of Gesture-Control: Perceptual Power of Gestures Used by Others
A potential concern has been found in the psychological implications of gesture control interfaces. When we design such things we must be aware of a power some gestures have, to alter the perceptions and memories of those who witness them.

Optical Machine Vision Navigation System Found in Flies
A study conducted to understand how flies and bees can navigate so precisely using just natural sunlight, has interesting implications for machine vision, and adding additional sense-based navigation systems to UAVs and UGVs without adding the weight or cost of any extra hardware.

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