Digital image processing involves manipulating digital images using computer software. It has several key elements:
1) Image acquisition - Creating a digital representation of an object by processing analog images and converting them to digital pixel values.
2) Storage - Storing the pixel values in a computer as a matrix of numbers.
3) Processing - Performing operations on an image to extract useful information.
4) Communication - Transmitting image data across a distance using a communication channel or medium.
5) Display - Showing the digital image data as a visual color image using a display system and frame buffer.
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IMAGE PROCESSING_105.pptx
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ELEMENTS OF
DIGITAL IMAGE
PROCESSING
I N I M A G E P R O C E S S I N G
NAME – AMBARISH ADAK
UNIV. ROLL – 13000220105
STREAM – IT(B)
PAPER CODE – PCC-CS
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WHAT IS A DIGITAL IMAGE ?
Real Image :-
• Represented as a two dimensional continuous light intensity function
g( x, y)
Pixel Image :-
• Pixel values typically represent gray levels, colors, heights, opacities etc
WHAT IS DIGITAL IMAGE PROCESSING ?
• It is a software
• It is used to manipulate the digital images by the use of computer
• Improvement of pictorial information for human interpretation
• Provides images in different formats
EXAMPLE :- Adobe Photoshop, MATLAB etc
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1 pixel
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WHAT ARE THE ELEMENTS OF DIGITAL IMAGE PROCESSING ?
• Image Acquisition
• Storage
• Processing
• Communication
• Display
• IMAGE ACQUISITION :-
• The creation of a digital representation of the visual characteristics of an object
• Used for processing the analog images of physical scenes and converting it into digital
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STORAGE :-
• Stored in the form of a matrix of numbers in a computer
• These numbers are known as pixel values
PROCESSING UNIT :-
• A method to perform some operations on an image
• Extract some useful information by processing
DISPLAY UNIT :-
• Used for displaying digital image data into a visual color image as a tool
• Image display system consists of a frame buffer, look up table
COMMUNICATION CHANNEL :-
• Communicating an information signal across distance requires some form of pathway or medium
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THANK YOU
REFERENCES :- Notes
