Kinematic Motion Estimation
Kinematic motion estimation is set of techniques for trying to track in real-time three dimensions, the movement of parts of an object, usually a user. It is necessary to estimate the position change rather than track it directly because artefacts are relatively common in real-time video capture systems, and because even if the view is perfect, tracking something like a finger moving through three dimensional space, is going to be subject to a degree of error owing to the time lapse, as well as telling the system nothing about how the rest of the body has moved to enable that finger to be there at that time.
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Motion sensors are starting to creep into a whole plethora of applications. They are the linch pins of haptics, of 3D pointers, of stress based sensor networks and locomotive VR interfaces. Yet, there's a problem. Small, discrete motion sensors, tiny enough to be built into larger devices the size say, of a Wii-remote or a 6 ounce HMD, are extremely difficult and expensive to produce.
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Eadweard Muybridge's pioneering work on the motion of all manner of quadrupeds. Horses, goats, cats, gnus, eagles, gazelles, sloths, camels, many others shown walking, running, flying, leaping, almost a complete range of natural motions duplicated for the benefit of animators and skeletal model making.
The paperback 'lightweight version of 'The Human Figure in Motion', this book as might be extrapolated from the title, contains 60 photographic sequences of the more common everyday activities of both men and women. Most are nude, allowing the musculature and natural drooping from one frame to another to be clearly seen and analysed.
Horses and other Animals in Motion is a collection of, as the title says, 45 sets of photographs of horses hauling, walking, trotting, etc., plus sequences of donkeys, an ox, pig, dog, cat, deer and other animals capture details of anatomy and movement. These images, were taken by the definitive expert in the field, Eadweard Muybridge.
After photographer Eadweard Muybridge created his revolutionary photographs of animals in motion in the late 1890s, he turned his attention to the study of the human form, by taking detailed photographs in rapid succession step by step as the human body underwent all manner of daily activities. These photographs have served for over a century, as the most highly acclaimed reference point for animators.
This book and CD is essentially the electronic format version of Eadweard Muybridge?s ?Animals in Motion?. It contains electronic format versions of 167 black-and-white photographic sequences captures the movements of 34 different animals as they run, fly, leap, and perform other characteristic actions. Includes 10 bonus Flash animations plus 15 photographic sequences that are ready to be animated.
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Expert system software being developed at the University of Illinois can fairly accurately estimate a person's age. But, unlike age-guessers, who can view a person's body, the software works by examining only the person's face.
Researchers have long known of the brain's ability to learn based on visual motion input, and a recent study has uncovered more insight into where the learning occurs.
The brain first perceives changes in visual input (local...
A novel curved artificial compound eye (CurvACE) has been conceived by a collaboration implying researchers from CNRS, Aix-Marseille Université, EPFL at Lausanne, Fraunhofer Institute at Jena and Université de Tuebingen. Compared to single-...
It is well known that people use head motion during conversation to convey a range of meanings and emotions, and that women use more active head motion when conversing with each other than men use when they talk with each other.
Leap Motion is unveiling its Leap 3D motion control system, Technology Review Hello World reports.
Leap Motion appears to outrank Kinect in terms of its capability. The technology, reports CNET, can detect motion with up to a...