What is claimed is:
1. A catalytic combustor comprising a plurality of corrugated strips alternating with a plurality of flat strips, wherein the corrugated and flat strips define a plurality of channels, wherein some of the channels are coated with catalyst and wherein some of the channels are not coated with catalyst, and wherein a portion of some of the coated channels also include means for inhibiting heat transfer from a coated channel to an uncoated channel.
2. The catalytic combustor of claim 1, wherein the heat transfer inhibiting means comprises a thermal barrier located on at least a portion of a strip defining one of said coated channels.
3. The catalytic combustor of claim 1, further comprising an additional strip, coated with catalyst, and located within one of said coated channels.
4. The catalytic combustor of claim 2, further comprising an additional strip, coated with catalyst, and located within one of said coated channels.
5. The catalytic combustor of claim 1, wherein the combustor has an inlet end and an outlet end, and wherein the heat transfer inhibiting means is located at the inlet end of the combustor.
6. The catalytic combustor of claim 1, wherein the combustor has an inlet end and an outlet end, and wherein the additional strip is located at the inlet end of the combustor.
7. The catalytic combustor of claim 1, wherein the combustor has an inlet end and an outlet end, and wherein the heat transfer inhibiting means, and the additional strip, are located at the inlet end of the combustor.
8. A catalytic combustor comprising a plurality of primary corrugated strips alternating with a plurality of flat strips, wherein the primary corrugated and flat strips define a plurality of channels, wherein some of the channels are coated with catalyst and wherein some of the channels are not coated with catalyst, wherein the combustor has an inlet end and an outlet end, and wherein at least some of the coated channels have, in a vicinity of the inlet end, a thermal barrier disposed between a strip defining the channel and the catalyst coating.
9. The catalytic combustor of claim 8, wherein the combustor further comprises, in a vicinity of the inlet end, an additional coated corrugated strip having corrugations in phase with, and of lesser amplitude than, corrugations of the primary corrugated strip, wherein the additional strip divides each coated channel into more than one coated channel.
10. The catalytic combustor of claim 9, wherein each coated channel includes, in a vicinity of the inlet end, at least two additional coated corrugated strips.
11. A catalytic combustor comprising a plurality of primary corrugated strips alternating with a plurality of flat strips, wherein the primary corrugated and flat strips define a plurality of channels, wherein some of the channels are coated with catalyst and wherein some of the channels are not coated with catalyst, wherein the combustor has an inlet end and an outlet end, and wherein the combustor further comprises, in a vicinity of the inlet end, an additional coated corrugated strip having corrugations in phase with, and of lesser amplitude than, corrugations of the primary corrugated strip, wherein the additional strip divides each coated channel into more than one coated channel.
12. The catalytic combustor of claim 11, wherein each coated channel includes, in a vicinity of the inlet end, at least two additional coated corrugated strips.
13. The catalytic combustor of claim 11, wherein at least some of the coated channels have, in a vicinity of the inlet end, a thermal barrier disposed between a strip defining the channel and the catalyst coating.
14. The catalytic combustor of claim 12, wherein at least some of the coated channels have, in a vicinity of the inlet end, a thermal barrier disposed between a strip defining the channel and the catalyst coating.
15. A catalytic combustor having an inlet end and an outlet end, the combustor having a plurality of channels which are coated with catalyst, and a plurality of channels which are not coated with catalyst, wherein at least some of the coated channels include, only in a vicinity of the inlet end, a thermal barrier.
16. The catalytic combustor of claim 15, wherein each coated channel has a boundary, and wherein the thermal barrier is disposed along at least a portion of said boundary of the coated channel.
17. A catalytic combustor having an inlet end and an outlet end, the combustor having a plurality of channels which are coated with catalyst, and a plurality of channels which are not coated with catalyst, wherein at least some of the coated channels include, only in a vicinity of the inlet end, a coated catalyst support disposed within the coated channel.
18. A catalytic combustor having an inlet end and an outlet end, the combustor having a plurality of channels which are coated with catalyst, and a plurality of channels which are not coated with catalyst, wherein at least some of the coated channels include, only in a vicinity of the inlet end, a thermal barrier, and wherein at least some of the coated channels include a coated catalyst support disposed within the coated channel.
19. The catalytic combustor of claim 18, wherein each coated channel has a boundary, and wherein the thermal barrier is disposed along at least a portion of said boundary of the coated channel.
20. A catalytic combustor comprising a plurality of corrugated strips alternating with a plurality of flat strips, wherein the corrugated and flat strips define a plurality of channels, wherein the combustor has an inlet end and an outlet end, wherein some of the channels are coated with catalyst and wherein some of the channels are not coated with catalyst, wherein a portion of some of the coated channels include, only in a vicinity of the inlet end, a thermal barrier which inhibits heat transfer from a coated channel to an uncoated channel, and wherein the combustor further comprises an additional strip, coated with catalyst, and located within one of said coated channels, in a vicinity of the inlet end.
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 method of recognizing an object by a camera, the method comprising:
detecting feature information from a first preview image;
comparing the feature information with a threshold condition;
changing a camera setting parameter, when the feature information does not satisfy the threshold condition; and
performing an object recognition for a second preview image generated based on the changed camera setting parameter.
2. The method of claim 1, wherein the feature information includes at least one of a number of matched feature points, an edge intensity, and an amount of textures.
3. The method of claim 2, wherein the matched feature points are feature points, among detected feature points of the first preview image, which correspond to feature points of a pre-stored reference image.
4. The method of claim 1, wherein changing the camera setting parameter comprises:
determining an ISO control value based on a result of the object recognition; and
controlling a gain of an image sensor installed in the camera according to the ISO control value.
5. The method of claim 1, wherein changing the camera setting parameter comprises:
calculating a motion vector of an object in an image frame;
determining a movement direction of the object; and
performing an auto focus process, when the movement direction of the object is in a longitudinal direction.
6. The method of claim 1, wherein changing the camera setting parameter comprises:
calculating a motion vector of an object in an image frame;
determining a brightness of the image frame, when there is a movement of the object; and
controlling a frame rate, when the brightness of the image frame is greater than a threshold value.
7. The method of claim 1, wherein changing the camera setting parameter comprises:
selecting a region of interest from a preview image frame; and
cropping the region of interest in a raw image frame,
wherein an object recognition is performed for the cropped region of interest.
8. The method of claim 1, further comprising displaying the first preview image in a display, based on a preset camera setting parameter.
9. A camera apparatus for recognizing an object, the camera apparatus comprising:
an imaging controller for changing a camera setting parameter;
an image recognition processor for performing an object recognition for a first preview image and detecting feature information from the first preview image; and
a camera setting parameter controller for comparing the feature information with a threshold condition, and controlling the imaging controller to change the camera setting parameter when the feature information does not satisfy the threshold condition.
10. The camera apparatus of claim 9, wherein the feature information comprises at least one of:
a number of matched feature points;
an edge intensity; and
an amount of textures.
11. The camera apparatus of claim 10, wherein the matched feature points are feature points, among detected feature points of the first preview image, which correspond to feature points of a pre-stored reference image.
12. The camera apparatus of claim 9, wherein the camera setting parameter controller comprises:
an ISO control determiner for determining an ISO control value based on a result of the object recognition,
wherein the imaging controller controls a gain of an image sensor installed in the camera apparatus, based on the ISO control value.
13. The camera apparatus of claim 9, wherein the camera setting parameter controller comprises an auto focus control determiner for calculating a motion vector of an object in an image frame, determining a movement direction of the object, and activating an auto focus procedure when the movement direction of the object is in a longitudinal direction.
14. The camera apparatus of claim 9, wherein the camera setting parameter controller comprises an exposure control determiner for calculating a motion vector of an object in an image frame, determining a brightness of the image frame, and determining a control value of a frame rate, when the brightness of the image frame is greater than a threshold value.
15. The camera apparatus of claim 9, wherein the camera setting parameter controller comprises a zoom control determiner for selecting a region of interest from a preview image frame and cropping the region of interest in a raw image frame,
wherein the image recognition processor performs an object recognition for the cropped region of interest.
16. The camera apparatus of claim 9, further comprising:
an imaging unit for generating the first preview image based on a preset camera setting parameter and generating a second preview image based on the changed camera setting parameter; and
a display unit for displaying the first preview image and the second preview image.