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Data Cummunication System

 Data communication is the exchange of data between two or more devices via a transmission medium. The communicating  devices in a data communication system are referred as nodes or workstations.

The Transmission media used for communicating between devices are referred as communication channels or links.

Effectiveness of data communication depend upon these characteristics.

Delivery:- data must be deliver to the correct destination.

Accuracy:- data must be deliver accurately 

Timeliness:- data must be deliver in timely manner.

Multimedia

 

What are Multimedia System

Multimedia refers to the integration of multiple forms of media such as text, audio, images, animations, and video to create a comprehensive and engaging experience. The scope of multimedia is vast and encompasses various applications, including education, entertainment, advertising, and more.

"A multimedia system is responsible for developing a multimedia application. A multimedia application is a bundle of different kinds of data. A multimedia computer system is one that can create, integrate, store, retrieve delete two or more types of media materials in digital form, such as audio, image, video, and text information."

Types of Images

 The Binary Image:- As one could have guessed, binary is all about 0's and 1's.

A binary will contain only two colors. 

One being white and the otherr being black.

what is a pixel

 one should understand that, image is nothing but, an array or a matrix of multiple pixels which are properly arranged in columns and rows.    

Now, it is also good to understand what a pixel is. A pixel is a word framed from picture element.

"A pixel is the smallest unit in a digital images. Multiple pixels arranged in rows and columns actually from an image. An image is fully composed of pixels."

What is Image Processing?

 Assume a human seeing the above signage on the roads. Immediately, his/her eyes will start capturing the content and brain shall interpret what the signals signify. Based on the understanding, one would make a move further.

In digital image processing, the same image shall be fed in as an input to the system and the system  shall interpret and understand the content to let the further actions happends.

the algorithms developed shall play a major role in understanding the content with higher accuracy.

"Optical image processing is an area that deals with the object, optics and how processes are applied to an image that is available in the form  of reflected or transmitted."

"Analog image processing is an area that deals with the processing of analog electrical signals using analog circuits. The Imaging systems that use film for recording images are also knows as analog imaging systems.

Image Processing intro

Introduction-

• Image speaks louder than words.

Researchers have been consistently working on developing image processing techniques which shall provide more features and better accuracy with increased speed of processing the image.

What is an Image?

Ans -

             "An image, be it a digital or a still image, all of it is nothing but a binary representation of some visual information."

• The visual information can be a simple drawing, photographed pictures , and recorded graphs, logos of the organizations or anything of this sort. All these digital images have something in common.
• they all can be stored and saved for future use electronically in any storage device.
• Listeners are presented with a sample image with information inside it. This Image is a traffic sign, which gives information about the signals and signage for the riders.
• This is a digital image and can be stored in any digital storage medium. To be more precise, this image is short which a digital camera.