CLIAMS:WE CLAIM:
1. A system for improving viewing experience of a user on a digital device, the system comprising:
a plurality of sensors configured to capture sensor parameters;
a processor, at a first instance, configured to:
determine a plurality of first vision parameters for two or more viewing positions based on a plurality of first sensor parameters and a plurality of viewing experiences of the user for the two or more viewing positions;
derive a base viewability index based on the plurality of first vision parameters for the two or more viewing positions; and
create a user profile comprising the base viewability index of the user; and
the processor, at a subsequent instance, configured to:
determine a plurality of subsequent vision parameters for a current viewing position based on a plurality of subsequent sensor parameters for the current viewing position and attributes of a digital content;
derive a dynamic viewability index based on the plurality of subsequent vision parameters for the current viewing position; and
dynamically adjust display settings based on a comparison between the dynamic viewability index and the base viewablity index, and
a display configured to present the digital content to the user based on the adjusted display settings.

2. The system of claim 1, wherein the plurality of sensors comprises at least of a GPS sensor, an accelerometer, a gyroscope, a proximity sensor, a light intensity detector, an infrared sensor, a camera, a microphone, a humidity sensor, a beacon, and a biometric sensor.

3. The system of claim 1, wherein the sensor parameters comprises at least one of a location of the user, a viewing distance, a viewing direction, a viewing position, a linear acceleration in each of three coordinate axis, an ambient light intensity, a glare, a current display settings, a camera picture, a video stream, a voice recording, another nearby beacon, a position of sun, a humidity level, and a biometric signature.

4. The system of claim 1, wherein the vision parameters comprises at least one of a size of face of the user, a inter pupil distance of the user, a movement of pupils, a relative viewing distance, a relative viewing direction, a relative viewing position, a pitch-yaw-roll rates for the viewing position, an indoor or an outdoor position of the digital device, a relative position of sun with respect to the digital device, a humidity level on a surface of the display of the digital device, a length of text line, a time taken by the user to read a text, a number of pauses taken during reading, a number of filler phrases used during reading.

5. The system of claim 1, wherein the processor, at the first instance, is configured to access the plurality of viewing experiences of the user via a user interface by guiding the user to perform one or more actions.

6. The system of claim 5, wherein the one or more actions comprises at least one of holding the digital device at multiple distances and at multiple positions, reading single character against multiple backgrounds, reading multiple characters with different spacing and against multiple backgrounds, viewing or reading in different light intensity or indoor or outdoor, and providing feedback on viewing experiences for multiple digital contents in multiple ambient conditions surrounding the digital device.

7. The system of claim 1, wherein the processor, at the first instance, is configured to determine the plurality of first vision parameters for the two or more viewing positions by performing statistical operations on the plurality of first vision parameters determined earlier, and wherein statistical operation comprises at least one of an extrapolation, an interpolation, a regression, and an association rule.

8. The system of claim 1, wherein the processor is configured to derive the base viewability index or the dynamic viewability index by performing time series analysis of the first vision parameters or the subsequent vision parameters respectively.

9. The system of claim 1, wherein the plurality of attributes of the digital content comprises a font color, a font size, a font style, a font type, a font contrast vis-a-vis background, a spacing between the letters, words, and lines, a number of columns, a size of margins, an amount of indentation, an image size, an image contrast vis-à-vis background, and a spacing between images.

10. The system of claim 1, further comprising a storage medium configured to store the user profile, and wherein the processor, at the subsequent instance, is configured to access the user profile from the storage medium based on an identification of the user.

11. The system of claim 1, further comprising a communication network configured to provide access to weather and vision related corroborative information from external sources.

12. The system of claim 1, wherein the display settings comprise a display contrast, a display brightness, a font size, an orientation angle, and a spacing between letters, words, lines, and images.

13. The system of claim 1, wherein the processor, at the subsequent instance, is further configured to provide a warning for non-suitability of viewing or reading exercise, or an option to switch to audio mode if the dynamic viewability index is below a threshold value.

14. A method for improving viewing experience of a user on a digital device, the method comprising:
at a first instance,
determining a plurality of first vision parameters for two or more viewing positions based on a plurality of first sensor parameters and a plurality of viewing experiences of the user for the two or more viewing positions;
deriving a base viewability index based on the plurality of first vision parameters for the two or more viewing positions; and
creating a user profile comprising the base viewability index of the user; and
at a subsequent instance,
determining a plurality of subsequent vision parameters for a current viewing position based on a plurality of subsequent sensor parameters for the current viewing position and attributes of a digital content;
deriving a dynamic viewability index based on the plurality of subsequent vision parameters for the current viewing position;
dynamically adjusting display settings based on a comparison between the dynamic viewability index and the base viewablity index, and
presenting the digital content to the user based on the adjusted display settings.

15. The method of claim 14, wherein determining, at the first instance, comprises:
sensing the plurality of first sensor parameters; and
accessing the plurality of viewing experiences of the user via a user interface by guiding the user to perform one or more actions; and
wherein determining, at the subsequent instance, comprises:
sensing the plurality of subsequent sensor parameters.

16. The method of claim 14, wherein determining, at the first instance, comprises performing statistical operations on the plurality of vision parameters determined earlier, and wherein statistical operation comprises at least one of an extrapolation, an interpolation, a regression, and an association rule.

17. The method of claim 14, wherein deriving the base viewability index or the dynamic viewability index comprises performing time series analysis of the first vision parameters or the subsequent vision parameters respectively.

18. The method of claim 14, further comprising storing the user profile, and wherein dynamically adjusting, at the subsequent instance, comprises accessing the user profile based on an identification of the user.

19. The method of claim 14, further comprising providing, at the subsequent instance, a warning for non-suitability of viewing or reading exercise, or an option to switch to audio mode if the dynamic viewability index is below a threshold value.

20. A non-transitory computer-readable medium storing computer-executable instructions for:
at a first instance,
determining a plurality of first vision parameters for two or more viewing positions based on a plurality of first sensor parameters and a plurality of viewing experiences of the user for the two or more viewing positions;
deriving a base viewability index based on the plurality of first vision parameters for the two or more viewing positions; and
creating a user profile comprising the base viewability index of the user; and
at a subsequent instance,
determining a plurality of subsequent vision parameters for a current viewing position based on a plurality of subsequent sensor parameters for the current viewing position and attributes of a digital content;
deriving a dynamic viewability index based on the plurality of subsequent vision parameters for the current viewing position;
dynamically adjusting display settings based on a comparison between the dynamic viewability index and the base viewablity index, and
presenting the digital content to the user based on the adjusted display settings.

Dated this 17th day of March 2015
Shwetha A Chimalgi
Of K&S Partners
Agent for the Applicant
,TagSPECI:TECHNICAL FIELD
This disclosure relates generally to display enhancement technique, and more particularly to system and method for improving viewing experience of a user on a digital device.