Rainbow Technology

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printing the data encoded in a

ABSTRACT
Rainbow technology,a breakthrough
in digital data storage enables us to
store up to a massive 450GB on just a
piece of paper. Rainbow Storage is a
group of techniques to store digital
data

in

some

colors,

color

denser way much higher capacities
can be achieved. Paper is, of
course, bio-degradable, unlike CDs
or DVDs. And sheets of paper also
cost a fraction of the cost of a CD
or DVD.

combinations and some symbols

This boon to digital data storage is

known

and

developed by Sainul Abideen,

therefore a rainbow picture will be

university technology student at

generated. The technique is used to

the Muslim educational society

achieve high-density storage. With

Engineering College in Kerala.

as

rainbow

format,

the help of Rainbow system we
would be watching full-length highdefinition videos from a piece of paper!
The main attraction is the cheap
paper. The Rainbow technology is
feasible

because

printed

text,

readable by the human eye is a
very wasteful use of the potential
capacity of paper to store data. By

HOW IS IT POSSIBLE?

therefore looks like a print-out of
the modern art.
The paper can then be
read

through

a

specially

developed scanner and the
contents decoded into their
Data stored in rainbow format on
an ordinary paper.
It uses geometric shapes such as

original digital format and
viewed

or

Rainbow

played.

The

technology

squares and hexagons to represent

feasible

data patterns, instead of the usual

text,

binary method that uses ones and

human

zeros to represent data. Besides,

wasteful

color is also used in the Rainbow

potential capacity of paper

system, to represent other data

to store data. By printing

elements. Files such as text,

the

images, sounds and video clips are

denser way much higher

encoded in "rainbow format" as

capacities can be achieved.

colored circles, triangles, squares

The retrieval of data is done

and so on, and printed as dense

by scanning the paper or

graphics on paper at a density of

the plastic sheet containing

2.7GB per square inch. An RVD

the data into a scanner and
later

because

is

readable
eye

data

use

is

printed
by

the

a

very

of

the

encoded

reading

it

in

a

over

monitor. Instead of using 0s
and 1s, we use color dots
where each color dot can
represent minimum 8 bits
(1

byte).

picture

The

will

compressed

rainbow

be
and

highly
can

be

IMPLEMENTATION
REQUIREMENTS:
REQUIREMENTS:

represented in any color
medium. For retrieving the
contents from the medium,
picture

can

be

captured

and data can be generated
from

the

color

combinations.

"Although

environmental

light

differences

and

color

shading is a problem, it can
overcome up to a certain
limit

by

using

efficient

mapping functions".

Discs can now be developed from
plastic paper too which will be
able to hold 450 GB of data.
In order to read the Rainbow
prints, all that is required is a

scanner and specialized software.

will replace CD drives of mobile

Smaller scanners could fit inside

phone and computer notebooks

laptop

and will enable more data in

computers

or

mobile

phones, and read SIM card-sized

portable forms for mini digital

RVD's containing 5GB of data.

readers. Large scale manufacture

The recording media could be either

of the Rainbow card will bring

paper or plastic sheets. The piece of

down its cost to just 50 paise

paper or even plastic sheet storing the

DEMONSTRATION:

data has just to be scanned in the
scanner and read over the monitor. A
scanning drive based on the Rainbow
software has simultaneously been
developed which will come in smaller
sizes to be...
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