Bong Haisheng, Kang Hui. Image subtraction based on multi-exposure speckle technique[J]. Chinese Journal of Lasers, 1988, 15(3): 149
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The property of multi-exposure recording of dichromated gelatin (DCG) enabled us to practice the image subtraction "based on multi-exposure speckle technique experimentally. The presented theoretical analyses are in good agreement with the experimental results.