In digital image processing many type of images availables. Each image serving a very different purpose in terms of communicating mathematics or evoking visual motions. Photographs capture objects, objects, or people from the real world and can be used to create documents, art, journalism, or private memories. Graphics or digital images represent standards, shapes, or visual evidence, which typically use numbers, symbols, and simplified symbols in images in books, magazines, and websites to represent data , methods, or relationships, and in technical literature and educational materials Provides value Infographics include information and visual elements such as charts and graphics that present data and data in a logical and creative way without clutter. A logo is a symbol that visible indicators of services, brands and services, which are important for branding, advertising and marketing. Art including painting, photography, sculpture, and digital art is created for aesthetic, emotional, or conceptual power, and may be in galleries, museums, or private collections and include multimedia presentations
Types of Image
Binary Images
The simplest kind of images are binary images, which can have two values—typically black and white or 0 and 1. Because only one binary digit is required to represent each pixel, a binary image is referred to as a 1-bit image. Applications like optical character recognition (OCR) rely on these kinds of images when the only information needed is a general shape or outline.
A threshold operation, in which every pixel above the threshold value is made white ('1') and those below it are made black ('0'), is frequently used to create binary images from grayscale images.
Gray-Scale Images
Gray-scale images are referred to as monochrome (one-color) images in the figure below. The number of available gray levels is determined by the number of bits used for each pixel. The normal dark scale picture contains 8bits/pixel information, which permits us to have 256 different dim levels. In applications like clinical imaging and space science, 12 or 16 pieces/pixel pictures are utilized. When a small portion of the image is magnified to make it easier to see details, these additional gray levels come in handy.
Color Images
Color images can be represented as three-band monochrome image data, with each band representing a distinct color. The gray-level information for each spectral band is the actual data that is kept in the digital image data. The colors red, green, and blue are used to represent typical color images. The corresponding color image would have 24-bits per pixel if the 8-bit monochrome standard were used as a model. This is eight bits for each of the three color bands—red, green, and blue.
Multispectral Pictures
Multispectral pictures ordinarily contain data outside the typical human perceptual reach. X-ray, infrared, ultraviolet, acoustic, and radar data are all examples of this. Because the information being represented is not directly visible to the human system, these are not images in the usual sense. In any case, the data is much of the time addressed in visual structure by planning the different ghastly groups to RGB parts.
Conclusion
We will look at the different types of images binary, color, multispectral, and grayscale. The simplest type of image, binary images can have two values, usually black and white or 0 and 1. Because only one binary digit is required to represent each pixel, a binary image is referred to as a 1-bit image. In essence, there are five common characteristics of great images: A captivating moment, appropriate composition for the given circumstance, and the photographer's choice of subject's distance from camera The standard image format for JPEG is an 8-bit one. This indicates that a pixel's color channels each have eight bits of data dedicated to color reproduction. Once in a while you will find 8-bit tone alluded to as 24-digit tone, which essentially consolidates the piece profundity of the Red, Green and Blue channels (8 pieces + 8 pieces +8 bits = 24 pieces). One of the terms we all use on a daily basis is "bit depth of color," but very few photographers really know what it means. Photoshop supports image file formats with 8, 16, and 32 bits. In some cases we see documents called 24 or 48.In designs and picture handling, 16-digit alludes to the variety profundity or pixel accuracy. It allows for images that are more realistic, detailed, and have smoother gradients because it determines the number of colors or shades that can be displayed per pixel.