Data Element Reference Number
G01.12
Data Element Type
Generic
Data Format
Data Storage / Archival in normal memory devices - PNG Data storage in restricted memory devices – JPEG2000 with compression ratio up to 1:15
Validations

Right hand thumb impression in case of Female, and Left hand thumb impression in case of Male

Default Value
The size of image would be 256 pixels in width & 64 pixels in height
Owner
Government of India, DeitY
Status
Accepted
Version
1.0
Max Size

The size of image would be 256 pixels in width & 64 pixels in Height i.e. 1.4” / 3.5cm (W) x 0.44” / 1.06 cm (H)

Suggested Aspect ratio is 4:1(W:H)

Comments

It is NOT mandatory to store the image of the Specimen Signature and the data format also are suggestive.

Domain Work Area Category

Based on

Aspect ratio (Biometrics solution for authentication in An E- world written by David D. Zhang published by Springer), and as decided by the Expert Committee for MDDS

Scanned Image of Person’s Own hand written Signature/Thumb impression

A thumb impression means “ plain inked thumb impression image”