EDUCBA

EDUCBA

MENUMENU
  • Free Tutorials
  • Free Courses
  • Certification Courses
  • 360+ Courses All in One Bundle
  • Login

What is Digital Image?

Home » Data Science » Data Science Tutorials » Data Analytics Basics » What is Digital Image?

What is Digital Image

Introduction to Digital Image

It is a type of image which is formed from pixels. Each pixel has some finite size and represented by some finite intensity to show the image. The pixels are set of a properly arranged rectangular array. The image size can be determined by the pixel array dimensions. It has finite coordinates i.e. x-coordinate and y-coordinate. It is of two types i.e. raster type and vector type. The raster image is basically used for reference to a digital image.

What is Digital Image?

It is the type of image which is made of the pixels. It includes printed texts, photographs, and artwork. It is captured from the digital camera, any image machine. As it is made up of pixels it is used to define the quality of the image. The pixel value is used to measure the quality of the image. The binary code is used to represent the value of a pixel. The resolution can be measured by the value of pixel per inch value. For storing it in the computer there are different file formats used which are TIFF, GIF, JPEG, BMP.

Start Your Free Data Science Course

Hadoop, Data Science, Statistics & others

The formats used for storing the digital image are discussed below:

JPEG

The full form of JPEG is the Joint Photographic Experts Group. The JPEG format is used to store the information in a small size of the file. The digital camera produces the digital image in the format of JPEG because the file size is smaller for JPEG format. JPEG is not used when the image is used as logos or drawings as the image is in compressed form and when it is zoomed the quality of image gets decreased.

TIFF

The full form of TIFF is the Tagged Image File Format. The file size of TIFF digital image format is comparatively large from the JPEG format. The file size is larger because the images are present in uncompressed form. The photo software which produces the TIFF format image in Photoshop.

PNG

The full form of PNG is Portable Network Graphics. Most web images present on the internet is present in the format of PNG. The PNG format is not used as the file size is larger for PNG images compare to JPEG images. But the image of text is of small size with great quality of image resolution. When any user takes the screenshot of the screen of a computer the image stored in the format of PNG. As the image is a mixed image that contains text and pictures the image stored in the format or PNG format.

Types of Digital Image

It can be basically categorized into two categories i.e.

Types of digital image

  • Vector Digital Image
  • Raster Digital Image

1. Vector Digital Image

  • It is made up of lines and curves which called paths. The computer software is used for creating vector graphics. The vector image represents the wireframe type of image. The lines include in the wireframe type of image have specific node locations, node positions, curves, and lines. The lines and curves used in it can be allocated a specific color value. Using this formulaic equation, each image dimension can be controlled without compromising from the image resolution, and It can be scaled and the pixels.
  • The vector image can be zoomed but the pixel quality will not be compromised which makes the vector image distinguishable from other types of image. The curves of the image are smooth and can be easily be zoomed. The best example is the text. Whenever the text is zoomed no matter what the pixel quality does not decrease and the zoomed text looks exactly the same as of its original size. The other advantage is the file-size efficiency of the image. The file size is very less which makes it easily transmittable from one computer to another computer.
  • One of the disadvantages is the compatibility of the vector image. When any program is used to create it is saved as the native file of that [program which makes it less compatible as the program needs to be installed in destination computer also to get access to it. The example is illustrations which are like photographs that can be made from vector image programs.

2. Raster Digital Image

  • The other name of the raster image is a bitmap image. It is called a bitmap image because it is made up of billions and trillions of tiny squares known as pixels. When the bitmap image is zoomed the tiny squares can be seen in it. When it is compared with a vector the main difference is file size efficiency. It has a larger file size comparer to a vector. The file size is larger because of pixels per inch (PPP) and dots per inch (DPI).
  • The software used to create it makes the size larger as it tracks each pixel of an image. This makes it less usable as the file size creates a problem to store on the computer and make it less usable. It is used to create the photographs. It is created when the photograph is taken from the digital camera.
  • An example of a raster image is the images present on the websites. The raster images are mostly used for the digital publication but cannot be used for the printed type projects. The raster images cannot be used for printed projects as the resolutions of image decreased as the file size is larger for it.

Conclusion

It is formed from the pixels and the device used to capture the digital image is a digital camera and image machine. It can be categorized into two categories i.e. raster and vector type image. It has a different file format in which the image is stored in the computer. The file formats are PNG, JPEG, GIF, TIFF, and BMP.

Popular Course in this category
All in One Data Science Bundle (360+ Courses, 50+ projects)360+ Online Courses | 1500+ Hours | Verifiable Certificates | Lifetime Access
4.7 (3,220 ratings)
Course Price

View Course

Related Courses
Data Scientist Training (76 Courses, 60+ Projects)Machine Learning Training (17 Courses, 27+ Projects)Cloud Computing Training (18 Courses, 5+ Projects)

Recommended Articles

This is a guide to What is Digital Image?. Here we discuss the basic concept and two types of digital image. You may also have a look at the following articles to learn more –

  1. Digital Image Processing
  2. Vectors in R
  3. Rasterize in Illustrator
  4. Font Tag in HTML

All in One Data Science Bundle (360+ Courses, 50+ projects)

360+ Online Courses

1500+ Hours

Verifiable Certificates

Lifetime Access

Learn More

0 Shares
Share
Tweet
Share
Primary Sidebar
Data Analytics Basics
  • Basics
    • What is Natural Language Processing
    • What Is Apache
    • What is Business Intelligence
    • Predictive Modeling
    • What is NoSQL Database
    • Types of NoSQL Databases
    • What is Cluster Computing
    • Uses of Salesforce
    • The Beginners Guide to Startup Analytics
    • Analytics Software is Hiding From You
    • Real Time Analytics
    • Lean Analytics
    • Important Elements of Mudbox Software
    • Business Intelligence Tools (Benefits)
    • Mechatronics Projects
    • Know about A Business Analyst
    • Flexbox Essentials For Beginners
    • Predictive Analytics Tool
    • Data Modeling Tools (Free)
    • Modern Data Integration
    • Crowd Sourcing Data
    • Build a Data Supply Chain
    • What is Minitab
    • Sqoop Commands
    • Pig Commands
    • What is Apache Flink
    • What is Predictive Analytics
    • What is Business Analytics
    • What is Pig
    • What is Fuzzy Logic
    • What is Apache Tomcat
    • Talend Data Integration
    • Talend Open Studio
    • How MapReduce Works
    • Types of Data Model
    • Test Data Generation
    • Apache Flume
    • NoSQL Data Models
    • Advantages of NoSQL
    • What is Juypter Notebook
    • What is CentOS
    • What is MuleSoft
    • MapReduce Algorithms
    • What is Dropbox
    • Pandas.Dropna()
    • Salesforce IoT Cloud
    • Talend Tools
    • Data Integration Tool
    • Career in Business Analytics
    • Marketing Analytics For Dummies
    • Risk Analytics Helps in Risk management
    • Salesforce Certification
    • Tips to Become Certified Salesforce Admin
    • Customer Analytics Techniques
    • What is Data Engineering?
    • Business Analysis Tools
    • Business Analytics Techniques
    • Smart City Application
    • COBOL Data Types
    • Business Intelligence Dashboard
    • What is MDM?
    • What is Logstash?
    • CAP Theorem
    • Pig Architecture
    • Pig Data Types
    • KMP Algorithm
    • What is Metadata?
    • Data Modelling Tools
    • Sqoop Import
    • Apache Solr
    • What is Impala?
    • Impala Database
    • What is Digital Image?
    • What is Kibana?
    • Kibana Visualization
    • Kibana Logstash
    • Kibana_query
    • Kibana Reporting
    • Kibana Alert
    • Longitudinal Data Analysis
    • Metadata Management Tools
    • Time Series Analysis
    • Types of Arduino
    • Arduino Shields
    • What is Arduino UNO?
    • Arduino Sensors
    • Arduino Boards
    • Arduino Application
    • 8085 Architecture
    • Dynatrace Competitors
    • Data Migration Tools
    • Likert Scale Data Analysis
    • Predictive Analytics Techniques
    • Data Governance
    • What is RTK
    • Data Virtualization
    • Knowledge Engineering
    • Data Dictionaries
    • Types of Dimensions
    • What is Google Chrome?
    • Embedded Systems Architecture
    • Data Collection Tools

Related Courses

Data Science Certification

Online Machine Learning Training

Cloud Computing Certification

Footer
About Us
  • Blog
  • Who is EDUCBA?
  • Sign Up
  • Corporate Training
  • Certificate from Top Institutions
  • Contact Us
  • Verifiable Certificate
  • Reviews
  • Terms and Conditions
  • Privacy Policy
  •  
Apps
  • iPhone & iPad
  • Android
Resources
  • Free Courses
  • Database Management
  • Machine Learning
  • All Tutorials
Certification Courses
  • All Courses
  • Data Science Course - All in One Bundle
  • Machine Learning Course
  • Hadoop Certification Training
  • Cloud Computing Training Course
  • R Programming Course
  • AWS Training Course
  • SAS Training Course

© 2020 - EDUCBA. ALL RIGHTS RESERVED. THE CERTIFICATION NAMES ARE THE TRADEMARKS OF THEIR RESPECTIVE OWNERS.

EDUCBA
Free Data Science Course

Hadoop, Data Science, Statistics & others

*Please provide your correct email id. Login details for this Free course will be emailed to you
Book Your One Instructor : One Learner Free Class

Let’s Get Started

This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy

EDUCBA

*Please provide your correct email id. Login details for this Free course will be emailed to you
EDUCBA Login

Forgot Password?

EDUCBA
Free Data Science Course

Hadoop, Data Science, Statistics & others

*Please provide your correct email id. Login details for this Free course will be emailed to you

Special Offer - All in One Data Science Bundle (360+ Courses, 50+ projects) Learn More