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    This study introduces a new algorithm for digital holography that efficiently extracts an object's wave field. The method reduces processing time and computational load without compromising image reconstruction quality.

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    Area of Science:

    • Optics and Photonics
    • Digital Holography
    • Image Processing

    Background:

    • Accurate wave field extraction is crucial for numerical reconstruction in digital holography.
    • Current methods can be computationally intensive due to large pixel requirements for wave field trimming.

    Purpose of the Study:

    • To develop an efficient algorithm for object wave field extraction in off-axis digital holography.
    • To reduce the number of pixels required for wave field trimming and decrease processing time.

    Main Methods:

    • Proposing a novel algorithm for generating an extraction window for object wave fields.
    • Analyzing and defining the energy content required within the extraction window as a reference.
    • Implementing wave field trimming based on the defined energy reference.

    Main Results:

    • Significant reduction in the number of pixels needed for wave field extraction.
    • Notable decrease in the processing time for holographic reconstruction.
    • Maintained high quality of the reconstructed image despite reduced pixel usage.

    Conclusions:

    • The proposed algorithm offers an efficient solution for wave field extraction in digital holography.
    • It optimizes computational resources by reducing pixel requirements and processing time.
    • This method enhances the practicality of digital holographic reconstruction for various applications.