Overlay and registration of preoperative data on live video using a portable device

A portable video display device for medical imaging, comprising:

• a camera configured to collect real-time video;
• a display screen configured to display the real-time video concurrently with overlay images registered with real-time images;
• a processor;
• and
• a memory coupled to the processor, the memory storing:
• recorded anatomical images of a subject;
• and
• a registration module configured to:
• register features in pre-operative images;
• register features in real-time images with corresponding features in the preoperative images;
• and align the recorded anatomical images with the real-time images;
• wherein the overlay images include at least a portion of the stored anatomical images and are displayed on the portable video display device to assist a user in viewing anatomical features not readily observable.

A method for medical imaging, comprising:

• storing anatomical images of a subject;
• providing a portable video display device including a camera and a display screen, the portable video display device being configured to collect real-time images of the subject;
• registering features in pre-operative images;
• registering features in real-time images with corresponding features in the preoperative images;
• registering at least a portion of the anatomical images with the real-time images;
• and
• concurrently displaying on the portable video display the at least a portion of the anatomical images registered with the real-time images.