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In a multi-disciplinary effort, we investigate the level of speckle that can be tolerated in a laser cinema projector based on a quality of experience experiment with movie clips shown to a test audience in a real-life movie theatre setting. We identify a speckle disturbance threshold by statistically analyzing the observers' responses for different values of the amount of speckle, which was monitored using a well-defined speckle measurement method. The analysis shows that the speckle perception of a human observer is not only dependent on the objectively measured amount of speckle, but it is also strongly influenced by the image content. The speckle disturbance limit for movies turns out to be substantially larger than that for still images, and hence is easier to attain.
Original languageEnglish
Article number14105
Number of pages8
JournalScientific Reports - Nature
Volume5
DOIs
Publication statusPublished - 15 Sep 2015

    Research areas

  • PERCEPTION; REDUCTION

ID: 14800378