Displaying personalized imagery for improving visual acuity
A method to generate an output image that improves observation of a target image viewed on a medium by an optical system is disclosed. The method includes receiving at least one target image by a processing system, receiving at least one parameter by the processing system, defining an error signal associated with the difference between calculated optical system observation of intermediate images and the at least one target image, minimizing the error signal, and generating an output image associated with the intermediate image having the minimized error.
1. A method to generate an output image that improves observation of a target image viewed on a medium by an optical system, comprising:
receiving at least one target image by a processing system;
receiving one or more characteristics associated with the optical system defining a point spread function of a subject's ocular system including an optical transfer function;
receiving at least one parameter by the processing system associated with the desired output image;
defining an error signal associated with the difference between calculated optical system observation of intermediate images that are generated by the processing system and the at least one target image, where a first intermediate image is generated based on a Bounded Total Variation deconvolution that is based on the one or more characteristics associated with the optical system and the at least one parameter;
minimizing the error signal by altering the intermediate images based on changes to one or more characteristics associated with the intermediate images and the at least one parameter, resulting in an intermediate image associated with an error at or below a threshold; and
generating an output image associated with the intermediate image having the minimized error.
2. The method of claim 1 , wherein the at least one parameter includes user-selectable amount of ringing associated with image intensity oscillations surrounding contours of the at least one target image, an amount of the desired visual sharpness of the output image, an amount of dynamic range of intermediate images or the output image, and combinations thereof.
3. The method of claim 1 , wherein the at least one target image, the intermediate images, and the output image comprise images, video, font, visual digital content, and combinations thereof, each including at least one channel of information.
4. The method of claim 1 , the medium comprises an electronic display device, printed media, physical surfaces, projection onto a physical surface, and combinations thereof.
5. The method of claim 2 , the at least one parameter is associated with one or more parts of the at least one target image, the intermediate images, and the output image.
6. The method of claim 1 , the optical system further comprises a physical optical system, a human visual system, a mathematical optical model, a photographic camera, a photographic video camera, a computer-implemented machine having an image or video detection system, and combinations thereof.
7. The method of claim 1 , the optical system includes visual aberrations, comprising myopia, hyperopia, presbyopia, astigmatism, coma, trefoil, spherical aberration, and combinations thereof.
8. The method of claim 1 , the sizes of the intermediate images are substantially the same as the image sizes of the at least one target image.
9. The method of claim 1 , the one or more characteristics associated with the optical system is determined based on a Zernike polynomial.
10. An image improvement system, comprising:
an input channel configured to receive at least one target image;
a processor configured to receive the at least one target image by a processing system, receive one or more characteristics associated with the optical system defining a point spread function of a subject's ocular system including an optical transfer function;
receive at least one parameter by the processing system associated with the desired output image, define an error signal associated with the difference between calculated optical system observation of intermediate images that are generated by the processing system and the at least one target image, where a first intermediate image is generated based on a Bounded Total Variation deconvolution that is based on the one or more characteristics associated with the optical system and the at least one parameter, minimize the error signal by altering the intermediate images based on changes to one or more characteristics associated with the intermediate images and the at least one parameter, resulting in an intermediate image associated with an error at or below a threshold, and generate an output image associated with the intermediate image having the minimized error, and an output channel configure to output the output image.
11. The system of claim 10 , wherein the at least one parameter includes user-selectable amount of ringing associated with image intensity oscillations surrounding contours of the at least one target image, an amount of the desired visual sharpness of the output image, an amount of dynamic range of intermediate images or the output image, and combinations thereof.
12. The system of claim 10 , wherein the at least one target image, the intermediate images, and the output image comprise images, video, font, visual digital content, and combinations thereof, each including at least one channel of information.