System and method for white blood cell counting in serous body fluids

A system for non-invasive white blood cell counting in serous body fluids, the system comprising:

• an ultrasound device configured to generate ultrasound images from a body or a sample of serous body fluid at a configurable spatial resolution in a scan direction;
• and
• an image processing unit configured to:
• receive at least one first ultrasound image generated by the ultrasound device at a first spatial resolution in the scan direction;
• for each first ultrasound image:
• determine a region corresponding to a serous body fluid in the first ultrasound image;
• determine a target focal point in the region;
• and
• receive at least one second ultrasound image generated by the ultrasound device focused on the target focal point at a second spatial resolution in the scan direction, higher than the first spatial resolution;
• and
• predict a concentration of white blood cells from the at least one second ultrasound image using an artificial neural network trained with images with an assigned ground truth concentration.