Method and system for fusing images
First Claim
Patent Images
1. A video imaging system comprising:
- a low resolution colour digital video camera for providing a stream of low resolution multi-spectral video image frames comprising at least three spectral bands;
a high resolution monochromatic digital video camera for providing a stream of high resolution monochromatic video image frames; and
,a digital processing system comprising an image fusing module for isolating corresponding pairs of video image frames from the two streams of video image frames where the video streams use the same frame rate, and fusing the pairs of video image frames to obtain a stream of colour video image frames having a higher resolution than the stream of video image frames from the low resolution colour digital video camera;
wherein the cameras are operably connected to the digital processing system, andwherein the image fusing method used by the image fusing module is selected from the group consisting of an arithmetic based fusion method, a statistics based fusion method, and a ratio based fusion method, and further comprises, for a given pair of the isolated corresponding video image frames, fusing multi-spectral pixels in the multi-spectral video image frame of the given pair with the corresponding monochromatic pixels in the monochromatic video image frame of the given pair, where the fusing is performed in real time without user input or post processing.
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Abstract
A video imaging system including: a low resolution color digital video camera and a high resolution monochromatic digital video camera operably connected to a digital processing system.
22 Citations
30 Claims
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1. A video imaging system comprising:
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a low resolution colour digital video camera for providing a stream of low resolution multi-spectral video image frames comprising at least three spectral bands; a high resolution monochromatic digital video camera for providing a stream of high resolution monochromatic video image frames; and
,a digital processing system comprising an image fusing module for isolating corresponding pairs of video image frames from the two streams of video image frames where the video streams use the same frame rate, and fusing the pairs of video image frames to obtain a stream of colour video image frames having a higher resolution than the stream of video image frames from the low resolution colour digital video camera; wherein the cameras are operably connected to the digital processing system, and wherein the image fusing method used by the image fusing module is selected from the group consisting of an arithmetic based fusion method, a statistics based fusion method, and a ratio based fusion method, and further comprises, for a given pair of the isolated corresponding video image frames, fusing multi-spectral pixels in the multi-spectral video image frame of the given pair with the corresponding monochromatic pixels in the monochromatic video image frame of the given pair, where the fusing is performed in real time without user input or post processing. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method comprising:
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providing a stream of video image frames from a low resolution multi-spectral digital video camera; providing a corresponding stream of video image frames from a high resolution monochromatic digital video camera where the video streams use the same frame rate; isolating corresponding pairs of video image frames from the two streams of video image frames; fusing the pairs of video image frames to obtain a stream of multi-spectral video image frames having a higher resolution than the stream of video image frames from the low resolution multi-spectral digital video camera; wherein the image fusing method for fusing the two streams of video images is selected from the group consisting of an arithmetic based fusion method, a statistics based fusion method, and a ratio based fusion method, and further comprises, for a given pair of corresponding video image frames, fusing multi-spectral pixels in the multi-spectral video image frame of the given pair with the corresponding monochromatic pixels in the monochromatic video image frame of the given pair, where the fusing is performed in real time without user input or post processing. - View Dependent Claims (9, 10, 11, 12, 13)
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14. An imaging system comprising:
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a digital video camera comprising; a low resolution colour digital sensor; a high resolution monochromatic digital sensor; a lens; a beam splitter for directing incident light passing through the lens to the colour and monochromatic sensors; and
,a digital processing system comprising an image fusing module for fusing a stream of video image frames from the colour digital sensor with a stream of video image frames from the monochromatic digital sensor, where the video streams use the same frame rate, and wherein the sensors are operably connected to the digital processing system; and wherein the image fusing method used by the image fusing module is selected from the group consisting of an arithmetic based fusion method, a statistics based fusion method, and a ratio based fusion method, and further comprises isolating corresponding pairs of video image frames from the two streams of video image frames and for a given pair of corresponding video image frames, fusing multi-spectral pixels in the colour video image frame of the given pair with the corresponding monochromatic pixels in the monochromatic video image frame of the given pair, where the fusing is performed in real time without user input or post processing. - View Dependent Claims (15)
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16. A video imaging system comprising:
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a colour digital video camera for providing a stream of low resolution multi-spectral video image frames; a monochromatic digital video camera for providing a stream of high resolution monochromatic video image frames; and
,a digital processing system comprising an image fusing module for isolating corresponding pairs of video image frames from the two streams of video image frames where the video streams use the same frame rate, and fusing the pairs of video image frames to obtain a stream of colour video image frames having a higher resolution than the stream of the low resolution multi-spectral video image frames from the multi-spectral digital video camera; wherein the cameras are operably connected to the digital processing system, and wherein the image fusing method used by the image fusing module is selected from the group consisting of an arithmetic based fusion method, a statistics based fusion method, and a ratio based fusion method, and further comprises for a given pair of corresponding video image frames, fusing multi-spectral pixels in the multi-spectral video image frame of the given pair with the corresponding monochromatic pixels in the monochromatic video image frame of the given pair, where the fusing is performed in real time without user input or post processing. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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23. A method comprising:
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providing a stream of low resolution multi-spectral digital video image frames; providing a corresponding stream of high resolution monochromatic digital video image frames where the video streams use the same frame rate; and
,isolating corresponding pairs of video image frames from the two streams of video image frames and fusing the two streams of video image frames to obtain a stream of colour video image frames having a higher resolution than the stream of low resolution multi-spectral digital video image frames; wherein the image fusing method for fusing the two streams of digital video image frames is selected from the group consisting of an arithmetic based fusion method, a statistics based fusion method, and a ratio based fusion method, and further comprises, for a given pair of corresponding video image frames, fusing multi-spectral pixels in the multi-spectral video image frame of the given pair with the corresponding monochromatic pixels in the monochromatic video image frame of the given pair, where the fusing is performed in real time without user input or post processing. - View Dependent Claims (24, 25, 26, 27, 28)
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29. An imaging system comprising:
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a digital video camera comprising; a colour digital sensor; a monochromatic digital sensor; a lens; and a beam splitter for directing incident light passing through the lens to the colour and monochromatic sensors; and
,a digital processing system comprising an image fusing module for fusing a stream of low resolution video image frames from the colour digital sensor with a stream of high resolution video image frames from the monochromatic digital sensor, where the video streams use the same frame rate, and wherein the sensors are operably connected to the digital processing system; and wherein the image fusing method used by the image fusing module is selected from the group consisting of an arithmetic based fusion method, a statistics based fusion method, and a ratio based fusion method, and further comprises isolating corresponding pairs of video image frames from the two streams of video image frames and for a given pair of corresponding video image frames, fusing multi-spectral pixels in the colour video image frame of the given pair with the corresponding monochromatic pixels in the monochromatic video image frame of the given pair, where the fusing is performed in real time without user input or post processing. - View Dependent Claims (30)
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Specification