1. A method of transmitting selected regions of interest of digital video data at selected resolutions, comprising the steps of:
a) capturing digital video;
b) compressing the digital video into a sequence of individual high resolution JPEG 2000 frames and simultaneously extracting from the compressed high resolution JPEG 2000 frames a lower resolution representation of each of the individual high resolution JPEG 2000 frames;
c) storing the individual high resolution JPEG 2000 frames in a storage device;
d) creating a video sequence of the lower resolution representation of each of the stored individual high resolution JPEG 2000 frames;
e) transmitting the video sequence of the lower resolution representation of each of the stored individual high resolution JPEG 2000 frames to a user;
f) creating one or more video sequences of selected regions of interest at selected resolutions greater than the resolution of the video sequence of the lower resolution representation;
g) transmitting one or more video sequences of selected regions of interest at selected resolutions; and
h) repeating steps (f) and (g) at incrementally increased resolutions until a desired resolution of the selected region of interest is reached according to a viewing objective.
2. The method claimed in claim 1, wherein the user selects the regions of interest and the selected resolution.
3. The method claimed in claim 1, wherein selection of the regions of interest and the selected resolution is initiated by an automated process.
4. The method claimed in claim 1, wherein capturing digital video includes real time digital video.
5. The method claimed in claim 1, wherein steps (d) through (h) are deferred until a transmission medium is available.
6. The method claimed in claim 1, wherein the selected resolutions greater than the resolution of the video sequence of the lower resolution representation correspond to a factor of two.
7. The method claimed in claim 1, wherein the video sequence of the lower resolution representation is compressed with an MPEG family of standards.
8. The method claimed in claim 1, wherein the video sequence of the lower resolution representation is compressed with a Motion JPEG 2000 standard.
9. The method claimed in claim 1, wherein the video sequence of the lower resolution representation is compressed with a video coding technique.
10. A method of transmitting selected regions of interest of digital video data andor still imagery data at selected resolutions, comprising the steps of:
a) capturing digital video;
b) compressing the digital video into a sequence of individual high resolution JPEG 2000 frames and simultaneously extracting from the compressed high resolution JPEG 2000 frames a lower resolution representation of each of the individual high resolution JPEG 2000 frames;
c) storing the individual high resolution JPEG 2000 frames in a storage device;
d) creating a video sequence of the lower resolution representation of each of the stored individual high resolution JPEG 2000 frames;
e) transmitting the video sequence of the lower resolution representation of each of the stored individual high resolution JPEG 2000 frames to a user;
f) creating one or more JPEG 2000 high resolution still frames by extracting one or more regions of interest at selected resolutions from the stored individual high resolution JPEG 2000 frames;
g) creating one or more video sequences of selected regions of interest at selected resolutions greater than the resolution of the video sequence of the lower resolution representation;
h) transmitting one or more video sequences of selected regions of interest at selected resolutions andor one or more of the high resolution JPEG 2000 still frames created in step (f); and
i) repeating steps (f) through (h) at incrementally increased resolutions until a desired resolution of the selected region of interest is reached according to a viewing objective.
11. The method claimed in claim 10, wherein the user selects the regions of interest and the selected resolution.
12. The method claimed in claim 10, wherein selection of the regions of interest and the selected resolution is initiated by an automated process.
13. The method claimed in claim 10, wherein the video sequence of the lower resolution representation is compressed with an MPEG family of standards.
14. The method claimed in claim 10, wherein the video sequence of the lower resolution representation is compressed with a Motion JPEG 2000 standard.
15. The method claimed in claim 10, wherein the video sequence of the lower resolution representation is compressed with a video coding technique.
16. The method claimed in claim 10, wherein the extracted regions of interest at selected resolution are in JPEG 2000 format.
17. The method claimed in claim 16, wherein the extracted regions of interest at selected resolution are transmitted using JPIP protocol.
18. The method claimed in claim 10, wherein capturing digital video includes real time digital video.
19. The method claimed in claim 10, wherein steps (d) through (i) are deferred until a transmission medium is available.
20. The method claimed in claim 10, wherein the selected resolutions greater than the resolution of the video sequence of the lower resolution representation correspond to a factor of two.
21. A method of transmitting selected regions of interest of digital video data at selected resolutions, comprising the steps of:
a) capturing digital video;
b) compressing the digital video into a sequence of individual high resolution JPEG 2000 frames and simultaneously extracting from the compressed high resolution JPEG 2000 frames a lower resolution representation of each of the individual high resolution JPEG 2000 frames;
c) storing the individual high resolution JPEG 2000 frames in a storage device;
d) searching for an alert condition within the sequence of individual high resolution JPEG 2000 frames;
e) repeating steps (a) through (d) until capturing of the digital video ends;
f) creating a video sequence of the lower resolution representation of each of the stored individual high resolution JPEG 2000 frames upon finding the alert condition;
g) transmitting the video sequence of the lower resolution representation of each of the stored individual high resolution JPEG 2000 frames to a user upon finding the alert condition;
h) creating one or more video sequences of selected regions of interest at selected resolutions greater than the resolution of the video sequence of the lower resolution representation upon finding the alert condition;
i) transmitting one or more video sequences of selected regions of interest at selected resolutions upon finding the alert condition; and
j) repeating steps (h) and (i) at incrementally increased resolutions until a desired resolution of the selected region of interest is reached according to a viewing objective, upon finding the alert condition.
22. The method claimed in claim 21, wherein the user selects the regions of interest and the selected resolution.
23. The method claimed in claim 21, wherein selection of the regions of interest and the selected resolution is initiated by an automated process.
24. The method claimed in claim 21, wherein capturing digital video includes real time digital video.
25. The method claimed in claim 21, wherein steps (f) through (j) are deferred until a transmission medium is available.
26. The method claimed in claim 21, wherein the selected resolutions greater than the resolution of the video sequence of the lower resolution representation correspond to a factor of two.
27. The method claimed in claim 21, wherein the video sequence of the lower resolution representation is compressed with an MPEG family of standards.
28. The method claimed in claim 21 wherein the video sequence of the lower resolution representation is compressed with a Motion JPEG 2000 standard.
29. The method claimed in claim 21, wherein the video sequence of the lower resolution representation is compressed with a video coding technique.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A III-nitride semiconductor device, comprising:
a III-nitride substrate of a first conductivity type;
a first III-nitride epitaxial layer of the first conductivity type coupled to the III-nitride substrate, wherein the first III-nitride epitaxial layer is characterized by a first charge density;
a second III-nitride epitaxial layer of a second conductivity type coupled to the first III-nitride epitaxial layer; and
an implanted region in the first III-nitride epitaxial layer, wherein the implanted region of the first III-nitride epitaxial layer is characterized by a second charge density, and wherein the second charge density is lower than the first charge density.
2. The device of claim 1, wherein the first III-nitride epitaxial layer comprises an n-type GaN epitaxial material.
3. The device of claim 1, wherein the depth of the implanted region is between 0.1 \u03bcm and 1 \u03bcm.
4. The device of claim 1, wherein a width of the implanted region is 0.5 \u03bcm or greater.
5. The device of claim 1, wherein the III-nitride semiconductor device is characterized by a breakdown voltage of 600V or greater.
6. The device of claim 5, wherein a thickness of the first III-nitride epitaxial layer is between 1 \u03bcm and 100 \u03bcm.
7. The device of claim 1, further comprising a dielectric layer coupled to the implanted region.
8. The device of claim 7, further comprising a first metal structure coupled to at least a portion of the dielectric layer.
9. The device of claim 8, wherein the first metal structure is further coupled to a portion of the implanted region.
10. The device of claim 8, further comprising a second metal structure coupled to the III-nitride substrate.
11. A III-nitride P-i-N diode, comprising:
a III-nitride substrate of a first conductivity type, wherein the III-nitride substrate forms one of either a cathode or an anode of the P-i-N diode;
a first III-nitride epitaxial layer of the first conductivity type coupled to the III-nitride substrate, wherein the first III-nitride epitaxial layer is characterized by a first charge density;
a second III-nitride epitaxial layer of a second conductivity type coupled to the first III-nitride epitaxial layer, wherein the second III-nitride epitaxial layer forms the other of either the cathode or the anode of the P-i-N diode; and
an implanted region in the first III-nitride epitaxial layer, wherein the implanted region of the first III-nitride epitaxial layer is characterized by a second charge density, and wherein the second charge density is lower than the first charge density.
12. The device of claim 11, wherein the first III-nitride epitaxial layer comprises an n-type GaN epitaxial material.
13. The device of claim 11, wherein the depth of the implanted region is between 0.1 \u03bcm and 1 \u03bcm.
14. The device of claim 11, wherein a width of the implanted region is 0.5 \u03bcm or greater.
15. The device of claim 11, wherein the III-nitride semiconductor device is characterized by a breakdown voltage of 600V or greater.
16. The device of claim 15, wherein a thickness of the first III-nitride epitaxial layer is between 1 \u03bcm and 100 \u03bcm.
17. The device of claim 11, further comprising a dielectric layer coupled to the implanted region.
18. The device of claim 17, further comprising a first metal structure coupled to at least a portion of the dielectric layer.
19. The device of claim 18, wherein the first metal structure is further coupled to a portion of the implanted region.
20. The device of claim 18, further comprising a second metal structure coupled to the III-nitride substrate.