Published on Apr 19, Abstract The Microsoft company have developed Skinput , a technology that appropriates the human body for acoustic transmission, allowing the skin to be used as an input surface. In particular, we resolve the location of finger taps on the arm and hand by analyzing mechanical vibrations that propagate through the body. We collect these signals using a novel array of sensors worn as an armband. This approach provides an always available, naturally portable, and on-body finger input system. We assess the capabilities, accuracy and limitations of our technique through a two-part, twenty-participant user study.

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It furnishes a modern input method based on bio-acoustic sensing which permits the skin to be used as a surface of finger input. Our skin generates natural and different mechanical vibrations when tapped at distinct areas of the skin. Skinput Technology Seminar PPT PDF Report We know that the skin is stretchable in nature and it permits the below input modalities: Squeezing Pressing Pulling The machines with computational potential and capabilities can be carried out in our bodies in an easy way.

Skinput is a technique which permits the body to be a wearable bio-acoustic sensor and non-invasive. Theoretical Review: The theoretical review explains about the following parameters: Skinput using touch on palm or hand surface More than touch Skinput using touch on palm or hand surface: Nowadays, computing is becoming more mobile and there exist enhancing requirement to advance more developed equipment and techniques.

Now we have the smaller screens, ubiquitous cameras and the applied science of touch is almost everywhere. But still few things like selecting of graphic entities and performing the drag and drop operations are still complex. A genuine difficulty in dealing with the tiny screens is their surface area but the screens of present machines have a nice clarity that people can even detect tiny objects.

Skinput technology combines the highly developed machine learning and simple bio-acoustic sensors to make people avail their forearms and fingers as touch pads. According to a study, which was conducted by Carnegie Mellon University, it was found that distinct types of finger tap on distinct parts of the forearm and hand generates special acoustic signatures.

The skinput technology gives a modern meaning to the term touch typing. More than touch: As the skin has the stretchable quality, it permits the extra input modalities pulling, squeezing and stretching, twisting. This enhances the input space for the interactions on a skin and also enables many gestures and other forms of interactions. The flexible feature of skin furnishes distinct input modalities as we have discussed above. A touch can be done with nails of the finger and this results in the scratching or by availing full hand which results in grabbing.

The eight distinct input modalities define that distinct actions can be performed on a skin which is more than a touch and those are as below: Pull.


Skinput Technology Seminar Report

Press The Principle of Skinput Technology: The skinput technology works on the principle of bio-acoustic. Whenever there is a tap of a finger on the skin then the impact of that tap generates acoustic signals. These generated acoustic signals can be captured with the aid of a device which is a bio-acoustic sensing machine. The Little amount of energy is lost in the form of sound waves to the external environment. The amplitude on the soft surface like forearm is larger when compared with the amplitude on the hard surface like an elbow. The amplitude of the wave changes with the force of disturbance.


Skinput Technology Seminar | PPT | PDF Report

However, their small size typically leads to limited interaction space e. Since one cannot simply make buttons and screens larger without losing the primary benefit of small size, one has to consider alternative approaches that enhance interactions with small mobile systems. One option is to opportunistically appropriate surface area from the environment for interactive purposes. For example, there is a technique that allows a small mobile device to turn tables on which it rests into a gestural finger input canvas. However, tables are not always present, and in a mobile context, users are unlikely to want to carry appropriated surfaces with them at this point, one might as well just have a larger device. However, there is one surface that has been previously overlooked as an input canvas and one that happens to always travel with us: our skin. Appropriating the human body as an input device is appealing not only because we have roughly two square meters of external surface area, but also because much of it is easily accessible by our hands e.


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