9293
Examples of multiplicative noise affecting digital photographs are proper shadows due to undulations on the surface of the imaged objects , shadows cast by complex objects like foliage and Venetian blind s , dark spots caused by dust in the lens or image sensor , and variations in the gain of individual elements of the image sensor array .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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