An object has constancy when the user moves throughout the virtual space, and the object stays where it is. It does not wobble in-place, it does not follow the user around, it stays put.
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3D scanners are considered the normal way to turn a physical object into a 3D construct in avirtual environment. Detailed, efficient, relatively fast - providing your object is roughly the same size as your scanner. If it is not, well, maybe a new paradigm is required...
All 3D scanners have had one thing in common: You place the object inside the scanner, which performs a scan either around the object or through the object. However, if the item is too big to be encapsulated in this fashion, and you still have to scan it, you need an entirely different type of scanner.
For SIGGRAPH 2013, one joint research team presented a proof of concept method to solve the 3D printer problem - the ability of any 3D printer to theoretically counterfeit any physical object small enough for it to print. They demonstrate a terahertz-radiation 'watermark' that can be 3D printed inside a genuine object, is easy to scan for, and very difficult to duplicate from the scan data.
Using a process of machine vision, not altogether different from OCR, a Santa Monica, California, based company has created an application which identifies physical world objects held in front of a camera-phone, regardless of orientation.
All manner of approaches are being fielded these days to try and create a workable haptic interface, that allows the true feeling of touch to an object that is only virtually there. One of the more esoteric, is the use of sound to shape the pressure fields in the air. Specifically, the use of ultrasound.
It was only a matter of time before someone took the concept of a sensor web literally, and created a smart mesh web that could cover an object and detect when and where any breaches in the web occur. That wait is now over, and the first such smart fabric now exists.
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A technical look at the Perspecta suspended display system, released by Actuality Systems in May 2005. Its intended purpose is as a 3D volumetric display capable of projecting a virtual object right in front of you.
The Animatrix short film 'World Record' serves as inspiration, and perhaps an object lesson in the powers of the mind over VR, once you are certain it is VR.
The Perspecta display system was released by Actuality Systems in May 2005. Its intended purpose is as a 3D volumetric display capable of projecting a virtual object right in front of you.
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Six-month-old babies are severely limited in what they can remember about the objects they see in the world; if you hide several objects from an infant, they will only remember one of those objects with any detail. But a new study, which wi...
Colour is normally thought of as a fundamental attribute of an object: a red Corvette, a blue lake, a pink flamingo. Yet despite this popular notion, new research suggests that our perception of colour is malleable, and relies heavily on bi...
You might think that the farthest distance at which you can hold a book and still read it quickly is determined by the size of the letters. However, New York University neuroscientists have concluded that it's the spacing between letters, ...
A person whose hand function has been affected by a stroke can release an object more quickly when the affected arm is supported on a platform, but the support does not make it easier to grip the object, according to a new study. The study ...
At the Association for Computing Machineryâ€™s SPLASH conference at the end of the month, researchers from MITâ€™s Computer Science and Artificial Intelligence Laboratory (CSAIL) will present a new system that automatically determines how o...