Passive Remote Sensing

Remote sensing refers to any sensor system or detection method which operates at a distance removed from the object being sensed, as opposed to the sensor being attached to or integrated into the object.

Passive sensors work by recording reflected data such as visible light, infrared or ultra-violet data that is reflected off the item being detected, onto the surface of the sensor itself. Machine vision is an example of a passive sensing system, using reflected visible light to detect items, using much the same mechanism as the human eye.

In VR and related fields, passive sensors are used to detect the approximate position of objects or users, to map physical objects into virtual spaces for modelling or navigation, and to perform facial or symbol recognition.

See Also: Remote Sensing, Active Remote Sensing

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

Active Remote Sensing Remote Sensing

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All-in-Premium Remote
It had to happen sooner or later; a remote control with an inbuilt television screen for the truly lazy. At CES 2010, Samsung delivered on what is basically one such device. Designed to work with Samsung's 9000-series flatscreen TVs, the remote is essentially a mini pad computer, with a design not too dissimilar from an iPhone.

Large Image Display: The Stepford Wives: Remote Controlled Human
Here we have a remote control, used to control what was originally a human, now just a glorified appliance. If the idea of a remote being used to control a human seems preposterous, remember GVS.

Large Image Display:Overview of Remote Neural Propagation
The diagrammatic representation for easy understanding, of how dendrites and axons in the nervous system might be attached to a a remote body via the Internet.

Large Image Display: Animatrix: Final Flight of the Osiris: Facial Detail
This frame is from the widescreen version of ?Final Flight of the Osiris?, one of the Animatrix animated shorts. It has been considerably scaled back from the original material. Still, it exists to showcase the state of CG faces back in 2003. At least the CG possible when interactive VR techniques are applied to a passive VR production. In the years since this animation short came out, normal passive CG specialists have caught up. The question we ask here is, how come it took four years for them to catch up?

Shoot to Thrill: Bio-Sensory Reactions to 3D Shooting Games
A report on working out which 3D shooting videogames most engaged the player, and why this was so, using brain monitoring EEG and bio-sensing technology to measure engagement and emotional and cognitive responses.

Medical Implant Powered by Music
It is certainly an odd idea, but a rather effective one: Power a medical implant, with the beats of whatever song you happen to be listening to at the time. That in a nutshell is what Purdue university researchers have done with their latest prototype sensing device.

Q&A: Internet Protocol TV
What is IPTV? How does it benefit people? Bidding farewell to the days of mass entertainment being passive, as opposed to interactive, this FAQ attempts to explain to the layperson, a few home truths about the technology.

VR Interfaces: Motus Darwin

Motus are moving in on the motion sensing capabilities of 3D pointers for home PCs. Inspired by the Nintendo Wii?s popularity, their Motus Darwin, a mainstream 3D pointer, takes a slightly different approach.

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