Enhancement of a selectable region of video
First Claim
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1. A digital enhancement method for enhancing a subsection of video, the method comprising:
- receiving video by a receiver from a sender, the video including information for displaying a video image;
selecting the subsection of the video for digital enhancement, the selecting the subsection of the video for enhancement including partitioning the video image into the selected subsection and remainder unselected subsection;
digitally enhancing the selected subsection by the sender to provide the video including a digitally enhanced subsection; and
receiving the video including the digitally enhanced subsection by the receiver from the sender;
wherein the video has a first video information density measurable by bits per area, the first video information density describing an amount of video information used to represent an area of the video, the selected and unselected subsection of the video having the first video information density prior to the digitally enhancing the selected subsection by the sender; and
the digitally enhancing the selected subsection includes generating the video including the selected subsection having a second video information density and unselected subsection having a third video information density, the second video information density being greater than the third video information density to provide greater detail in the selected subsection of the video image.
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Abstract
A digital enhancement method enhances a subsection of video. Video is received by a receiver from a sender. The video includes information or displaying a video image. The subsection of the video for digital enhancement is selected. The selecting the subsection of the video for enhancement includes partitioning the video image into the selected subsection and a remainder unselected subsection. The selected subsection is digitally enhanced by the sender to provide the video including a digitally enhanced subsection. The video including the digitally enhanced subsection is received by the receiver from the sender.
64 Citations
38 Claims
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1. A digital enhancement method for enhancing a subsection of video, the method comprising:
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receiving video by a receiver from a sender, the video including information for displaying a video image;
selecting the subsection of the video for digital enhancement, the selecting the subsection of the video for enhancement including partitioning the video image into the selected subsection and remainder unselected subsection;
digitally enhancing the selected subsection by the sender to provide the video including a digitally enhanced subsection; and
receiving the video including the digitally enhanced subsection by the receiver from the sender;
wherein the video has a first video information density measurable by bits per area, the first video information density describing an amount of video information used to represent an area of the video, the selected and unselected subsection of the video having the first video information density prior to the digitally enhancing the selected subsection by the sender; and
the digitally enhancing the selected subsection includes generating the video including the selected subsection having a second video information density and unselected subsection having a third video information density, the second video information density being greater than the third video information density to provide greater detail in the selected subsection of the video image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
the receiver selects the subsection for enhancement; - and
the method further includes the receiver notifying the sender of the selected subsection.
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3. The method of claim 1 wherein the sender selects the subsection for enhancement.
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4. The method of claim 1, wherein the digitally enhancing the selected subsection by the sender comprises:
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increasing a first resolution of the selected subsection; and
decreasing a second resolution of the unselected subsection of the video.
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5. The method of claim 1, wherein the digitally enhancing the selected subsection by the sender comprises:
updating the selected subsection by the sender to provide greater detail in the selected subsection of the video than in the unselected subsection of the video.
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6. The method of claim 1, wherein
the second video information density is greater than the first video information density; - and
the third video information density is less than the first video information density.
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7. The method of claim 1, wherein
the video has a first video update rate prior to the digitally enhancing the selected subsection by the sender; - and
the digitally enhancing the selected subsection includes generating the video having a second video update rate for providing the selected subsection and a third video update rate for providing the unselected subsection, the second video update rate being greater than the third video update rate.
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8. The method of claim 7, wherein
the second video update rate is greater than the first video update rate; - and
the third video update rate is less than the first video update rate.
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9. The method of claim 7, wherein the second video update rate is twice the third video update rate.
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10. The method of claim 7, wherein the third video update rate is zero.
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11. The method of claim 1, further comprising:
graying-out the unselected subsection.
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12. The method of claim 11, wherein the graying-out the unselected subsection is performed by the receiver.
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13. The method of claim 1, further comprising:
filtering the unselected subsection.
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14. The method of claim 13, wherein the filtering the unselected subsection is performed by the receiver.
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15. The method of claim 1, wherein
the digitally enhancing the selected subsection by the sender comprises decreasing the compression of the selected subsection; - and
increasing the compression of the unselected subsection.
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16. The method of claim 1, wherein
the digitally enhancing the selected subsection by the sender comprises using a first compression technique on the selected subsection; - and
using a second compression technique different from the first compression technique on the unselected subsection.
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17. The method of claim 16, wherein
the first compression technique includes a first level of quantization; - and
the second compression technique includes a second level of quantization, the second level of quantization being coarse relative to the first level of quantization.
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18. The method of claim 1, wherein
the sender encodes the selected subsection using a first percentage of bits per area; the sender encodes the unselected subsection using a second percentage of the bits per area.
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19. The method of claim 18, wherein the first percentage is greater than the second percentage.
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20. The method of claim 18, wherein
the first percentage is 60%; - and
the second percentage is 40%.
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21. The method of claim 1, wherein a position of the selected subsection is user programmable via a user interface coupled to the receiver.
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22. The method of claim 1, wherein a position of the selected subsection is user programmable via a user interface coupled to the sender.
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23. The method of claim 1 further comprising:
digital zooming the selected subsection to increase the size of the selected subsection.
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24. The method of claim 1 wherein the video comprises:
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a preselected, digitally enhanced subsection of video prior to the receiving video by the receiver from the sender; and
a preselected, non-digitally enhanced subsection of video prior to the receiving video by the receiver from the sender.
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25. A system for enhancing a subsection of video, the system comprising:
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a user interface;
a video source;
a sending unit including a video region enhancer encoder, the video region enhancer encoder being coupled to receive the video from the video source, the video region enhancer encoder being coupled to receive video region enhancer window selection notifications from the user interface, the video region encoder digitally enhancing a selected subsection of the video responsive to the selected subsection being selected by a video region enhancer decoder;
a receiving unit including the video region enhancer decoder, the video region enhancer decoder being coupled to receive the video from the video region enhancer encoder, the video region enhancer decoder partitioning the video into a selected subsection and an unselected subsection responsive to receiving a selection notification, and transmitting information regarding a position of the selected subsection to the video region enhancer encoder. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
a display coupled to receive the video from the receiving unit.
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30. The system of claim 29 wherein the system is a remote medical diagnosis system and the video is displayed to facilitate remote medical diagnosis.
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31. The system of claim 29 wherein the system is a security system and the video is displayed to facilitate remote security monitoring.
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32. The system of claim 29 wherein the system is a videoconferencing system.
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33. The system of claim 25 wherein the receiving unit performs, gray-out of the unselected subsection.
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34. The system of claim 25 wherein
the sending unit digitally enhances the selected subsection by generating the video having a first video update rate for providing the selected subsection and a second video update rate for providing the unselected subsection, the first video update rate being greater than the second video update rate. -
35. The system of claim 25 wherein
the video has a characteristic video information density measurable by bits per area, video information density describing an amount of video information used to represent an area of the video, the selected and unselected subsections of the video having a first video information density prior to the video region enhancer digitally enhancing the selected subsection; - and
the sending unit digitally enhances the selected subsection by generating the video including video for the selected subsection having a second video information density and video for the unselected subsection having a third video information density, the second video information density being greater than the third video information density to provide greater detail in the selected subsection of the video image.
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36. A method for enhancing a region of video, the method comprising:
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selecting a region of video for digital enhancement, the selecting the region of video for enhancement including defining a selected region of the video and a remainder unselected region of the video such that the video consists of the selected region and the unselected region; and
digitally enhancing the selected region;
whereinthe video has a first video information density measurable by bits per area, the first video information density describing an amount of video information used to represent an area of the video, the selected and unselected regions of the video having the first video information density prior to the digitally enhancing the selected region; and
the digitally enhancing the selected region includes generating the video including the selected region having a second video information density and the unselected region having a third video information density, the second video information density being greater than the third video information density to provide greater detail in the selected region. - View Dependent Claims (37)
receiving a notification identifying an area of video for digital enhancement; and
defining the selected region to substantially include the identified area of video.
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38. A method for enhancing a subsection of video, the method comprising:
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receiving video by a receiver from a sender, the video including information for displaying a video image;
selecting the subsection of the video for digital enhancement, the selecting the subsection of the video for enhancement including partitioning the video image into the selected subsection and a remainder unselected subsection; and
receiving the video by the receiver from the sender after selecting the subsection of the video, the video including a digitally enhanced subsection corresponding to the selected subsection after selecting the subsection of the video;
whereinthe video has a first video information density measurable by bits per area, the first video information density describing an amount of video information used to represent an area of the video, the selected and unselected subsections of the video having the first video information density prior to the partitioning; and
the digitally enhanced subsection has a second video information density and the unselected subsection has a third video information density, the second video information density being greater than the third video information density to provide greater detail in the selected subsection.
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Specification