An efficient real time focusing delay calculation in ultrasonic imaging systems

Area of Science:

• Medical Imaging
• Computer Graphics
• Digital Signal Processing

Background:

• Accurate digital focusing in ultrasonic imaging requires precise real-time delay calculations.
• Existing methods for sampling clock generation (SCG) may require significant memory resources.

Purpose of the Study:

• To propose an efficient real-time algorithm for calculating focusing delays in ultrasonic imaging.
• To develop a method for variable sampling clock generation (SCG) with high accuracy.
• To design an algorithm suitable for simple hardware implementation.

Main Methods:

• The proposed algorithm is an extension of the midpoint drawing algorithm from computer graphics.
• It enables real-time calculation of focusing delays.
• The method is designed for efficient hardware implementation, potentially using VLSI.

Main Results:

• The algorithm achieves high accuracy in delay calculations for digital focusing.
• It offers an efficient solution for variable sampling clock generation (SCG).
• Implementation requires minimal look-up memory compared to traditional approaches.

Conclusions:

• The developed algorithm provides an efficient and accurate method for real-time focusing delay calculation in ultrasonic imaging.
• Its simple hardware design and reduced memory requirements make it suitable for VLSI realization.
• This advancement can improve the performance and reduce the complexity of ultrasonic imaging systems.