Abstract

We present multifocus holographic 3-D image fusion based on independent component analysis (ICA). In this paper, the ICA technique is used to fuse multiple reconstructed holographic images at different distances from the image sensor. A hologram of two dice located at distances of 315 and 345 mm, respectively, from the sensor is recorded using phase-shifting digital holography and used in our experiments. The resulting reconstructed fused holographic image shows both dice objects clearly in focus. This is compared with a single reconstructed holographic image in which only one of the die objects is in focus at a particular reconstruction distance.

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