Picture Algorithm: Finding Unique Differences

[hagopbul]

hello guys i need to know about an algorithm that can understand unique differences in a contenuse change photo [picture not a film ]

where should i start looking ... what word shoould i use in the google / duckduckgo ,..etc

 

[Borek]

Perhaps my English fails me, but I have no idea what you are looking for - please try to describe more precisely what you are intending to do.