February 25, 2021
Objects can lose their coupling with controls simply
For example, YouTube tutorials, such as mending bikes or baking cakes, China digital printing
velvet manufacturers could be easily paused and rewound on tablet computers
without users having to put down tools or mixing bowls. These targets correspond
to different functions - such as volume, changing channel or viewing a menu.In
addition to short-term couplings, users can also link stationary objects to
controls, which even when left for prolonged periods will retain their control
function."Everyday objects in the house can now easily become remote controls so
there are no more frantic searches for remote controls when your favourite
programme is about to start on another channel, and now everyone in the room has
the 'remote'," Clarke said.This provides much more flexibility and ease for the
user as it works even while hands are full, and while stood or slouching on the
sofa.Researchers believe Matchpoint is also suitable to be used as an
accessibility tool for people who are unable to use traditional pointers, such
as remote controls and a mouse and keyboard.Unlike existing gesture control
technology, the software does not look for a specific body part it has been
trained to identify - such as a hand.
The 'Matchpoint' technology, which only
requires a simple webcam, works by displaying moving targets that orbit a small
circular widget in the corner of the screen..Can't find your TV remote again?
Scientists have developed a technology that can turn everyday objects - such as
teacups or toy cars - into remote controls for televisions.Matchpoint also
allows users to manipulate images on whiteboards by using two hands to zoom in
and out, and rotate images.Researchers from Lancaster University in the UK show
a novel technique that allows body movement, or movement of objects, to be used
to interact with screens.As well as televisions, the technology can also be used
with other screens. The technology looks for rotating movement so it does not
require calibration, or the software to have prior knowledge of objects.For
example, a mug sat on a table could change a track on a music player when moved
left or right, and a rolling toy car could be used to adjust volume. Users also
do not need to learn specific commands to activate different functions, as is
the case with some gesture controlled televisions on the market, and the user is
able to decouple at will.
Objects can lose their coupling with controls simply by
removing them from the camera's field of view."Spontaneous spatial coupling is a
new approach to gesture control that works by matching movement instead of
asking the computer to recognise a specific object," said Christopher Clarke,
PhD student at Lancaster University.Multiple pointers can be created to allow
more than one user to point at drawings or pictures on interactive whiteboards
simultaneously. The user synchronises the direction of movement of the target,
with their hand, head or an object, to achieve what researchers call
'spontaneous spatial coupling', which activates the desired function.When
selecting volume adjustment or channel selection, sliders appear. The user moves
their hand, head, or object, in the required direction indicated by the slider
to change the volume or to find the desired channel
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