Blatter had previously insisted cameras would not be used at all in football, but said on Sunday he would welcome its introduction if it worked in tests. He said this summer's World Cup in South Africa, which starts on June 11, would be too soon.
He also ruled out additional officials for matches. The International Football Association Board will meet in March to discuss the use of cameras.
"I am not absolutely against it. If the goalline technology is ready to be adopted, then I am only in agreement," he told SonntagsBlick.
"The game's top officials say stoppages to view replays would hamper the flow of a match and Blatter is against football losing what he calls "its human face.
"If the system's security is guaranteed, we will introduce the goalline technology. But it won't be ready for the 2010 World Cup. We are not making any experiments there, also not with extra referees." | 
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