FOVEATED IMAGING SYSTEM AND METHOD

摘要

A time-varying image is synthesized having at least one time-varying region of interest therewithin. The image is spatially modulated with an array of modulating pixels to form a modulated image. The array of modulating pixels has a modulator resolution. The modulated image is sensed with an array of sensor pixels. The array of sensor pixels has a sensor resolution. The modulator resolution is finer than the sensor resolution. Each sensor pixel corresponds to a plurality of modulating pixels. Said sensor pixel and said plurality of modulating pixels subtend the same region in the image. Outside the region of interest, the modulated image is synthesized at the sensor resolution and at a sensor video frame rate. Inside the region of interest, the modulated image is synthesized at the modulator resolution and at an effective synthesized video frame rate that is less than sensor video frame rate.

主权项

1. A method of sensing a time-varying image having at least one time-varying region of interest therewithin, the method comprising:
spatially modulating the time-varying image with an array of modulating pixels to form a modulated image, the array of modulating pixels having a modulator resolution; and sensing the modulated image with an array of sensor pixels, the array of sensor pixels having a sensor resolution, the modulator resolution being finer than the sensor resolution; wherein each sensor pixel corresponds to a plurality of modulating pixels, said sensor pixel and said plurality of modulating pixels subtending the same region in the time-varying image; wherein outside the region of interest, the modulated image is synthesized at the sensor resolution and at a sensor video frame rate; wherein inside the region of interest, the modulated image is synthesized at the modulator resolution and at an effective synthesized video frame rate that is less than the sensor video frame rate.