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Most solution use only 2-Colour, colour dropping based sheets, which obviously requires only a professional colour-dropping capable image scanner. So the choice is less and cost is high.

Some solutions still require big OMR scanners, the technology is almost obsolete and in use by only those who have already got into it. There are seldom any new buyers.

As told, we can design and use both B/w and colour sheets, so,

• Low end multifunction printer/scanner without colour dropping facility, generally available in offices can be used,
• Professional document scanners with colour dropping can be used
• Office copiers like Canon, Ricoh, Xerox, Panasonic can also be used because they scan only in B/w.
• Even a flatbed scanner if quantity is less.

Distributed System & Multiple Deployments

Scanning and Evaluation are two separate processes. Sheets can be scanned and image sent through email or FTP at central evaluation location.

For multi-location deployment, economical additional licenses can be used.

Solid state mechanism. Sheets should be physically present at the location of evaluation.

For multi-location deployment, equally prized hardwares to be used.

Obvious advantages

Softwares can be maintenance and  updated remotely from distant locations.

Software is Ageless

Physical handling, Maintenance & upkeep, updation needs personnel presence.

Mechanical movement causes wear and thus has an age. Sensitive to dirt, dust, heat and moisture.

Adaptability

Even if the software needs to be amended, the changes are made quickly and implemented at client end with ease. No personnel to be sent no chip to be changed.

OMR Machines operate on PLC based logics and are not as quickly and easily customizable. This is the major reason of failure when recent trends as mainly decided by IITs are really very volatile.

History & Background
7-8 years back OMR users were limited and OMR scanner Machines were the only available solution and so were well known.

Only big Examination bodies and Govt. organizations were able to afford. Even the test patterns were simple so it was manageable.

There were no successful OMR softwares.

Price Factor
Earlier OMR Machine scanners used to cost starting Rs. 3.5-50 Lacs. Today, most economic China made Hardware Scanners are available for atleast Rs. 180000/- per scanner. Reasonably acceptable versions reach 250000/- and beyond.

Cost of the OMR Machine and OMR Sheet and technical complexities were a big deterrent so the expanse of OMR usage led to development of OMR Software which eliminated the need of costly machine but other systems still use the same old sheet pattern which is costly

Accuracy
Thick paper and accurate cutting of size is critical for accuracy. Folds have a negative effect of acceptance of sheet and accuracy of result.

Speed

With the advent of softwares, a cheap alternative OMR has found market even with smaller organizations. Growth of OMR users market and success of Software are complementary to each other.

Lately most organizations have switched over to OMR based tests and thus a lot of creativity in patterns makes it tricky and frequently needs change.

Since last 7 years, the softwares have fully dominated and almost eliminated the use of H/w Scanners.

After the advent of software available at just 10% price, the market of scanners came down drastically.

Sheet price is negligible and scanner price is flexible.

Addmen was the first to launch a successful and altogether different approach to OMR that offers economy, flexibility, independence and accuracy.

We do not consider the term “% accuracy”. Our software is absolute (100%) accurate even for tilted and skewed sheets.