Our 2nd face to face meeting after CSCI 322 exam at nearby Beauty World McD.
The following is the discussion points :
Captcha design research.
Some research has done by team on current market captcha design. OCR tools has been applied to scan these captcha technologies. The following are some of the results.
Captcha design.
Some captcha design suggested by team members :
1. Animation
Create a GIF picture to content some moving objects to prevent OCR from scanning the correct captcha answer.
2. Flash animation
Create a animated Adobe Flash content that interact with end users in order to review the correct captcha answer to visitors.
3. Text base
Generate some text base Captcha challenge which the text font will blend well with background pattern as “camofloage” effect.
4. 3D Text
Output a 3D text Captcha which hide the outline by using lighting and shading.
5. Identify object in the pictures
Needed end users to identify some object in the pictures. For instant, find the dog pictures among cat pictures.
Captcha design key factors.
Some important points during designing the captcha were discuss:
-Random text generator algorithm.
-Font type.
-Font size.
-Color.
-Spacing between characters.
System implementation research.
The following diagram show the initial idea of the system design.
Attendance :
- SEAH CHOON YEE, SEBASTIAN
- CHEE SUEN SIANG, ALAN
- CHIA U-MENG, ADRIAN
- OW WAI LEONG, LEXIS
No comments:
Post a Comment