Connected Media in the Future Internet Era by Ahmet Kondoz & Tasos Dagiuklas

Author:Ahmet Kondoz & Tasos Dagiuklas
Language: eng
Format: epub
Publisher: Springer New York, New York, NY

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The procedure is repeated for all pixels to acquire a dense depth map and a restored all-in-focus image .

The restoration-based strategy is illustrated in Fig. 5.5, where a captured image patch is assumed to be generated by convolution of the ground truth all-in-focus image patch with the ground truth PSF. Ideally, when the correct PSF is selected, the estimated all-in-focus image patch and the PSF should be able to produce a simulated image patch that is similar to the captured one. For an incorrect PSF, errors will be introduced in both the image restoration step and the image reproduction step, and thus the simulated image patch will deviate from the captured one. It is obvious that the quality of the restored image is of vital importance; a failure in the image restoration will produce erroneous results.

Fig. 5.5The principle of restoration-based strategy

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