Time modulated active marker MoCap

Time modulated active marker MoCap or motion capture, is actually simply a refinement to active marker MoCap.

Active marker is an optical real-time body positioning and movement tracking method whereby a network of LEDs all over the body, positioned along bones, and between joints, are illuminated one after the other, at a rate too swift for the human eye to catch.

Time modulation, instead of doing one at a time, strobes the LEDs. Several are turned on at the same time, but each flashes at a different frequency rate, allowing them to be individually ID?d. This form of unique marking, radically increases the resulting capture frequency, as instead of cycling through markers one at a time, they are done in staggered simultaneous batches.

The trade-off is of course a far higher processing overhead than standard active marker. However, in recent years, that has become almost a non-issue.

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

Time modulated active marker MoCap

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MoCap for Movement Analysis
Promising work by QuinteQ on real-time motion capture without excessive hardware, holds promise for MoCap use in public VR.

Swift MoCap Sequence Retrieval
A better way has been developed for premade MoCap summoning. A method that uses general limb movements to call up the closest matching MoCap file.

Large Image Display: Simone: Mocap Animation Differences
In Lessons from Simone: MoCap Filter , it was discussed how Simone whilst yes she was controlled by Victor?s body movements in a MoCap system, never quite copied those movements perfectly. Whereas Viktor's movements are not always feminine, Simone moves with a permanent feminine grace.

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?

Lessons from Simone: MoCap Filter
Simone is a seminal virtual reality film, and there are several aspects of both the technology of VR and the social impact, which the film carries off very well, and which deserve to stand on their own merits. The MoCap filter the film alludes to, is one such aspect.

Active Worlds is a crossbreed. Nominally used as a 3D chatspace, its also a hive of creative building, the codebase for several RPGs, and the source of inspiration for many new VR ventures.

AW itself is made up of a collection of worlds, sharing the same graphical base, yet it manages to maintain cohesion as a 'worldlet' of sorts itself.

Large Image Display: AWGate 5.0: Out To the Entertainment Dome
This screenshot shows that even the oldest and most sluggishly updating of active virtual environments must move with the times. The platform is changing to keep up with it's competitors, albeit in the most minimalistic way possible. Incremental changes to augment the virtual environment over time, and keep pace with competitors; not over shoot them.

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