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04/10/2023 01:24:17 AM
TOUCHLESS CONTROLLING TECHNOLOGY USING GESTURE RECOGNIATION
April 10, 2023
Athul
At first time controlling of devices by switchces
1898 : Radio wave remote controller by Nikola tesla
1903 : Electro magnetic wave remote controller by Learnado Torres
1939 : First battery controlled wireless remote controller
1965 : First IR remote controller
1977 : Touch screen technology by CERN.
Now : Touchless controlling technology.
HISTORY
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It is an advanced technology for controlling equipments.
Elliptic labs is invented this technology.
Gone are the days when people have to fiddle with touchscreen & end scratching up.
For controlling the devices, just wave or pointing the hand to the screen
In this technology, sensors and cameras are used for gesture recoganisation
.
INTRODUCTION:
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WORKING
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WHAT IS TOUCHLESS CONTROLLING?
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It is the controlling of the devices without touching it or without using remote controller. Here the controlling is done by our presents or using gesture.
Gesture is the action or movement which contain a meaning.
By an action or movement, we can control the equipments.
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FLOWCHARTTOUCHLESS
CONTROLLING TECHNOLOGY
VOICE RECOGNISATION
GESTURE RECOGNISATION
USINGMOTIONSENSORS
USING CAMERAS
PASSIVE SENSORS
ACTIVE SENSORS
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FLOWCHARTTOUCHLESS
CONTROLLING TECHNOLOGY
VOICE RECOGNISATION
GESTURE RECOGNISATION
USINGMOTIONSENSORS
USING CAMERAS
PASSIVE SENSORS
ACTIVE SENSORS
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TOUCHLESS CONTROLLING USING GUSTER
USING ACTIVE SENSORS
USING PASSIVE SENSORS
USING CAMERAS
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ACTIVE & PASSIVE SENSORS
ACTIVE PASSIVE
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GESTURE RECOGNISATION USING ACTIVE SENORS
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Components required
MicrocontrollerInfra red Light Emitting DiodesLensFilterMotion sensor(Active type)
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WORKING Infrared LED and lens creates a 3D field . When an gesturing, receiver receive the reflected
infrared light. The filter will filter the signal and give to the motion
senor. The sensor will recognize the gesture and give signal
to the microcontroller. The microcontroller will execute the action.
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MICRO CONTROLLER
FILTER
IR PROXIMITY MOTION/
ORENTATION SENSOR
MEMORY
OUTPUT
FIELD GENERATOR
INFRA R
ED
TOUCHLESS CONTROLLING USING ACTIVE SENSORS980 N
M
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INFRARED PROXIMITY SENSOR WITH FILTER
980 NM
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GESTURE RECOGNIATION USING
PASSIVE SENSORS
Components required
Microprocessor
Valves/relays
Filter
Field sensor
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WorkingIt can be apply for ON / OFF controlling of
equipmentsHuman body emits IR of wavelength 10 micro
meter.The filter receive this IR and give to sensor.Sensor will give signal to the microprocessor.Microprocessor will give signal for ON / OFF.
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MICRO PROCESSOR
OUTPUT
FIELD SENSOR
FILTER
TARGET DEVICE
TOUCHLESS CONTROLLING USING PASSIVE SENSORS
MEMORY
RELAYS / VALVES
10MM
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Using camera
A 2D camera is used for detecting gesture. It is based on software. It can track hands or figure tips accuresly. The software will be processing the images and find
the gesture .
Input to processor
Gesture recognisation output
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APPLICATIONS
Controlling of equipment like TV, PC, Tablet computers, mp3 players, etc.
It can be used in robotics.
It can be used in military uses.
In home automation. For automatic taps, automatic lights, automatic gates, etc.
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ADVANTAGES
It have long life than the touch screen technology.
It is very easy to operate.
It is a reliable technology when comparing to others.
It offering operation with no time loss.
Some of the touchscreens which are placed in public place like railway station, airport , etc are causing spreading of germs to others. Touchless technology ignoring this problem.
Touching continuasly on screen decreases the sensitivity of touchscreens. Touchless controlling has no such problems.
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DISADVANTAGES
Cost of this technology is high, when comparing to other technology
It have complex design
Complex design cause difficult when maintenance is needed
Muliple persons controlling same time make difficult.
For image-based gesture recognition there are limitations on the equipment used and image noise.
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SCOPE FOR FUTURE
It have many scopes in automation field.
In robotics, it can be used for creating advanced robots
In future, all the touch screens may replaced by touchless controlling technology.
In future, all the input devices like keyboard, moue, etc will be replaced by our body.
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CONCLUSION
Today’s thoughts are again around user interface. Efforts are being put to better the technology day-in and day-out. The Touchless touch screen user interface can be used effectively in computers, cell phones, webcams and laptops. May be few years down the line, our body can be transformed into a virtual mouse, virtual keyboard and what not??, Our body may be turned in to an input device!
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REFERENCEwww.Seminarpaper.comwww.Authorstream.comwww.Gizmag.comwww.Pptsforece.blogspot.comwww.Wikipedia.comwww.slideshare.comwww.wikianswers.comwww.seminarprojects.com
ANY DOUBTS
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