![](https://dblp.dagstuhl.de/img/logo.ua.320x120.png)
![](https://dblp.dagstuhl.de/img/dropdown.dark.16x16.png)
![](https://dblp.dagstuhl.de/img/peace.dark.16x16.png)
Остановите войну!
for scientists:
![search dblp search dblp](https://dblp.dagstuhl.de/img/search.dark.16x16.png)
![search dblp](https://dblp.dagstuhl.de/img/search.dark.16x16.png)
default search action
"Matrix problems to generate mosaic-based CAPTCHAs."
William German Salas Avila, Maria Alejandra Osorio Angarita, Agustín Moreno Cañadas (2015)
- William German Salas Avila, Maria Alejandra Osorio Angarita, Agustín Moreno Cañadas
:
Matrix problems to generate mosaic-based CAPTCHAs. ICDP 2015: 1-5
![](https://dblp.dagstuhl.de/img/cog.dark.24x24.png)
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.