IMAGE PROCESSING2 Presentation Seminar

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1. ABSTRACT.
Image processing is the science of importance because of the
manipulating a picture. It covers a broad scope significant increase in the use of digital
of techniques that are present in numerous images
applications. These techniques can enhance or over the Internet. In this stage
distort an image, highlight certain features of an images are manipulated on this basis of
image, create a new image from portions of color models like RGB, HSI, CMY
other images, restore an image that has been and CMYK.
degraded during or after the image acquisition, 3. COMPONENTS OF AN
and so on. IMAGE PROCESSING
2. COLOR IMAGE PROCESSING. SYSTEM.
Color image processing is an area that A typical general purpose
has been gaining in system used for image processing
consists of following components




4. SENSING. device for converting the output of the
Two elements are required to physical sensing device into digital form.
acquire digital images. The first is a 5. SPECIALIZED IMAGE
physical device that is sensitive to the PROCESSING HARDWARE.
energy radiated by the object we wish to It consists of the digitizer and
image. The second, called digitizer is a hardware that performs primitive




operations, such as an Arithmetic Logic is not compressed. When dealing with
Unit (ALU), which performs arithmetic and thousands, or even millions of images,
logical operations parallel on entire providing adequate storage in an image
images. This type of hardware is called a processing system can be challenge.
front-end subsystem. The unit performs 9. IMAGE DISPLAYS.
Functions that require fast data throughputs Image displays in used today are
That the main computer cannot handle. mainly color TV monitors, Monitors are
6. COMPUTER. driven by the outputs of image and
Computer is a general – purpose and graphics display cards that are an integral
can range form a PC to a supercomputer. part of the computer system.
In dedicated applications, specially 10. HARD COPY.
designed computers are used to achieve a Hardcopy devices for recording
required level of performance. images include laser printers,film cameras
7. MASS STORAGE. hat-sensitive devices, inkjet units, and
Mass storage capability is a must in
Image processing applications. An image digital units, such as optical and CD-ROM
of size 1024 X 1024 pixels, in which the disks.
intensity of each pixel is an 8–bit quantity, what viewers see on a black and white
requires 1MB of storage space if the image television set.
8. NETWORKING. Chromatic light spans the
It is almost a default function in any electromagnetic spectrum from
computer system in use today. Because of approximately 400-700 nm Three basic
large amount of data inherent in image quantities are used to describe the quality
processing applications, the key of a chromatic light source:
consideration in image transmission Luminance
bandwidth Radiance