Thursday, May 7, 2009

MY PROJECT Eyetracking using MATALB ! - chapter 1

Image processing is the one of the most recent technology that has a very wide important in the application level. Image processing as well as digital signal processing has a wonderful future in building the real time application. It can introduce new level of application software. It can create a wonderful world of interacting devices. It can be used in producing user friendly & reliable instruments. Measurement devices and equipments are just possible by processing the signals in real time.

Here we are using a development platform, which is MATLAB. The MATLAB® desktop tools and development environment help you use MATLAB functions and files. MATLAB is an interactive system whose basic data element is an array that does not require dimensioning. This allows you to solve many technical computing problems, especially those with matrix and vector formulations, in a fraction of the time it would take to write a program in a scalar non interactive language such as C or Fortran. MATLAB has evolved over a period of years with input from many users. In university environments, it is the standard instructional tool for introductory and advanced courses in mathematics, engineering, and science. In industry, MATLAB is the tool of choice for high-productivity research, development, and analysis

In this project “WHEEL CHAIR CONTROL USING EYE-TRACKING” we developed, the motion of the pupil of the eye is tracked and commands are issued to the wheel chair system to move. The digital image signals are fetched from peripheral device and are sending to the computer using I/O ports. The processing is done in system itself in real time and the output is send through the I/O ports to do the rest of the job. Here we incorporate a low level microcontroller based system to carry out the final steps. Hence the project is a combination of high level programming with the low level embedded programming.

Here we use a PIC 16F877 based motion controller. It is connected to a basic relay circuit to control the movement of DC motor which is actually connected to the Wheels of Wheel Chair. Basically any one can control the movement of wheel chair using their eyes. And this project is aimed for developing such a wheel chair especially for disabled and old aged people. It is user friendly and most reliable interactive device.

click here for downloading related files

1.M files -

2. Circuits Schematics -

3. PPT -

4. Project certification -

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