| •
|
Application
areas: |
 |
› |
Design
department. |
 |
› |
Old
paper drawings. |
 |
› |
Drawings
to be released to the shop floor. |
 |
› |
3rd
party or outside agency drawings. |
 |
› |
Quality
assurance department. |
 |
› |
Quality
control department. |
 |
› |
Specification
control department. |
| •
|
Input
process: |
 |
› |
Image
capture using digital scanners. |
 |
› |
A0 size large format scanners. |
| •
|
Image
compression: |
 |
› |
CCIT
GR4 or JBIG (B/W Images). |
 |
› |
JPEG
(Gray or Color Images). |
| •
|
Resolution: |
 |
› |
200/300/400/800
DPI. |
| •
|
Document
size: |
 |
› |
Maximum
width supported is 44". The largest length
supported:
| Resolution
(DPI) |
Length
in Inches |
| 300 |
106 |
| 400 |
80 |
| 800 |
40 |
|
| •
|
Document
type: |
 |
› |
Tracings. |
 |
› |
Ammonia
drawings. |
 |
› |
Oil
paper. |
| •
|
Image
storage format: |
 |
› |
DataScan
ImageBase. |
 |
› |
TIFF/JPEG/BMP
Image files. |
| •
|
DataScan
ImageBase format: |
 |
› |
Images
stored in a fault-tolerant, multi-media, network
enabled database system. |
 |
› |
Volume
tracking enabled. |
 |
› |
Key
word indexing for each document. |
| •
|
Output
media: |
 |
› |
Compact
Disks, DVDs. |
 |
› |
Magneto-Optical
Drives, DATs. |
| •
|
Cleaning
of old illegible drawings: |
 |
› |
Automatic
thresholding. |
 |
› |
Adaptive
thresholding. |
 |
› |
Low
pass filters. |
 |
› |
High
pass filters. |
 |
› |
Required
to scan in 8-Bit gray scale and then reduce
to 1-Bit images after cleaning. |
| •
|
Speed
and costing depends on: |
 |
› |
Time
frame required for the job. |
 |
› |
Determines
the type of equipment to be used. |
 |
› |
Volume
of documents to be scanned. |
 |
› |
Number
of indexing parameters. |
 |
 |
»
|
Manual
data-entry time is dependent on this. |
 |
› |
Number
of pages per document. |
 |
 |
»
|
As
the indexing is done at the document level,
this defines the number of documents to be
indexed vis-à-vis number of pages. |
 |
› |
Type
of document. |
 |
› |
Document
preparation time. |
 |
 |
»
|
Ammonia
prints and dirty old drawings are scanned
and cleaned in two stages.
Size of pages. |
 |
 |
»
|
Larger
documents require more time and take more
storage space. The cleaning process also takes
longer where required. |