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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