Page 118 - The Indian Optician Digital Edition May-June 2023

COMPUTER VISION

VIS-À-VIS HUMAN VISION

SANJAY K MISHRA SANDIP KUMAR RAJESH KUMAR BHAWANI SINGH
SCIENTIST SCIENTIST SR. OPTOMETRIST, PGIMS, MEENA
DR. R P CENTRE FOR DR R P CENTRE FOR UNIVERSITY OF HEALTH SCIENTIST
OPHTHALMIC SCIENCES, OPHTHALMIC SCIENCES, SCIENCES, ROHTAK, DR R P CENTRE FOR
AIIMS, NEW DELHI AIIMS, NEW DELHI HARYANA OPHTHALMIC SCIENCES,
AIIMS, NEW DELHI

uman vision and computer vision are two  The electrical signals are sent to the brain via
very different ways of seeing the world. the optic nerve.
HHuman vision is a complex process that
involves the eyes, brain, and nervous system.  The brain interprets the electrical signals and
Computer vision, on the other hand, is an creates a visual image.
artificial process that relies on algorithms and COMPUTER VISION
mathematical models.
Computer vision is an artificial process that
In this article, we will compare human relies on algorithms and mathematical models
vision and computer vision in terms of their to extract information from images and videos.
capabilities, limitations, and applications.
STRUCTURE AND FUNCTION OF HUMAN
HUMAN VISION VISION AND COMPUTER VISION

Human vision is a complex process that The human vision system is a complex
involves the following steps: biological system that involves the eyes, optic

 Light enters the eye through the cornea nerve, brain, and other neural pathways. The
and lens. human eye has several components that work
together to focus light onto the retina. The
 The lens focuses the light onto the retina, retina contains photoreceptor cells, which
which is a layer of light-sensitive cells at the convert light into electrical signals that are
back of the eye.
sent to the brain through the optic nerve. The
 The retina converts the light into brain then processes these signals to produce
electrical signals. a visual image.

114 | THE INDIAN OPTICIAN | MAY-JUNE 2023 OPTOMETRY