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Image processing

Image processing is important in applications that require excellent robotic vision. Algorithm based on wavelet transform for fusing images of different spectra and different foci improves image quality. Robots can gather more accurate information from the resulting improved image.

Usage

Visual sensors help robots to identify the surrounding and take appropriate action. Robots analyze the image of the immediate environment imported from the visual sensor. The result is compared to the ideal intermediate or end image, so that appropriate movement can be determined to reach the intermediate or final goal.

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Robotics is the branch of technology that deals with the design, construction, operation, and application of robots as well as computer systems for their control, sensory feedback, and information processing.

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Touch sensory signals can be generated by the robot's own movements. It is important to identify only the external tactile signals for accurate operations

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One of the first working examples of a synthetic nanosensor was built by researchers at the Georgia Institute of Technology in 1999

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The visual sensing system can be based on anything from the traditional camera and sonar to the new technology  radio frequency identification, which transmits radio signals to a tag on an object that emits back an identification code. All four methods aim for three procedures-sensation, estimation, and matching.

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Nanosensors may also eventually be valuable as more accurate monitors of material states for use in systems where size and weight are constrained, such as in satellites and other aeronautic machines.

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Social issues resulting from the widespread use of nanosensors and surveillance devices include privacy invasion and security issues.

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Light  chips convert light into electrical signals which are then conditioned to produce a desired electrical output. They are sometimes called light-to-frequency chips, light-to-voltage chips, or ambient LIGTH sensor,

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Future applications in mobiles:

About 30 to 40 percent of all smartphones have sensors in them, too—most commonly accelerometers, compasses, gyroscopes, optical sensors, and touch sensors. By 2015, my company predicts that well over 80 percent of all smartphones will have sensors, and that number might be conservative.

Even though many smartphones have various sensors that developers can tap into, we estimate that less than five percent of apps created actually take advantage of them.

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Nanosensor technology is a relatively new field, global projections for sales of products incorporating nanosensors range from $0.6 billion to $2.7 billion in the next three to four years.

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Future applications of sensors

Sensors are increasingly impacting the world around you and its mobile links, just look for anything that has the word "smart" in front of it. For example, "smart parking" refers to the monitoring of parking spaces available. "Smart lighting" mostly refers to sensor-based controls for home lighting that can be controlled from smartphones

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Chemical sensors, too, have been built using nanotubes to detect various properties of gaseous molecules

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Use nanosensors to detect sunlight.

Various fish use nanosensors to detect minuscule vibrations in the surrounding waterand many insects detect gender pheromones using nanosensors.

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Possible applications of wireless sensors :-

Anything that requires • Distributed data collection • Unobtrusive observation in remote/hard-to-get-to locations • Environmental monitoring (earthquakes, animals, volcanoes, …) Daniele Puccinelli 18 • Agricultural monitoring • Human behavior monitoring • Healthcare • Home automation and indoor energy conservation • Civil engineering • Warfare

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In biomedicine and biotechnology, sensors which detect analytes thanks to a biological component, such as cells, protein, nucleic acid or biomimetic polymers, are called biosensors

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A wireless sensor network (WSN) is a wireless network consisting of spatially distributed autonomous devices using sensors to cooperatively monitor physical or environmental conditions, such as temperature, sound, vibration, pressure, motion or pollutants, at different locations.”

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Nanosensors are any biological, chemical, or surgical sensory points used to convey information about naoparticles to macroscopic world.

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A chemical sensor is a self-contained analytical device that can provide information about the chemical composition of its environment, that is, a liquid or a gas phase.

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Throttle Position Sensor«rotary type sensor

²wiper blade and resistance coil form a simplevoltage divider«controls the idle speed of the engine

The Oxygen Sensor«measures amount of oxygen that is left after combustion«air-fuel ratio is correct when the oxygen sensor reads 0.45V

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SMART CAR : SPECIAL FEATURES

1.There are so many people killed in the caraccidents that car accident reports canbe found in newspaper nearly every day.

2.A smart car can alert the driver if he becomesdrowsy.

3.The computer in the car will totally eliminate the cases of getting lost and getting stuck in traffic.

4.The computer in the car sends out a radio signal that can be detected by a satellite.

5.By establishing the relation between therotation in the steering wheel and the car·sposition on a map, the computer can tell us where the car is

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Sensors have a lot of applications in Automobile world like anti-lock brakes, seatbelts ,automatic locks, gas gauge ,airbags ,oxygen sensors,air conditioner, heater,temperature sensor,car alarm,speedometer,oil pressure !!!

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There are also innumerable applications for sensors of which most people are never aware. Applications include cars, machines, aerospace, medicine, manufacturing and robotics.

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Sensors are used in everyday objects such as touch-sensitive elevator buttons (tactile sensor) and lamps which dim or brighten by touching the base

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A sensor is a converter that measures a physical quantity and converts it into a signal which can be read by an observer or by an instrument

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Imaging sensors are basically CCD and CMOS sensors which are used in cameras

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The other sensors are inductive ,optical,capacitive

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There are different types of sensors like temperature sensor,pressure sensor,proximity sensor and more !!

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Lets start !!!