PSEUDO-COLOR COVERT NIGHT VISION SECURITY DIGITAL CAMERA SYSTEM
First Claim
Patent Images
1. A digital security camera apparatus comprising:
- a light source for generating light at a plurality of discrete wavelength bands for illuminating a target;
a monochrome digital camera;
a switching circuit for activating said light source for generating each of said plurality of discrete wavelength bands sequentially and controlling said monochrome digital camera to sequentially capture images of said target illuminated by each of said plurality of discrete wavelength bands;
a storage device for storing said captured images;
a processor for retrieving said captured images from said storage device, individually assigning each of said plurality of discrete wavelength bands to one of a plurality of color channels, and combining said plurality of color channels to form a pseudo-color composite image.
1 Assignment
0 Petitions
Accused Products
Abstract
A digital security camera system and method for pseudo-color covert night vision is provided. The system includes one or more light sources adapted for providing selective illumination at a plurality of infrared wavelengths, such as 730 nm, 830 nm and 940 nm. A monochrome digital image capture device records multiple images of a target illuminated in the plurality of wavelengths and stored in a storage device. A processor retrieves the set of recorded images and assigns each wavelength to a specific color channel. The color channels are combined into a composite color image.
-
Citations
16 Claims
-
1. A digital security camera apparatus comprising:
-
a light source for generating light at a plurality of discrete wavelength bands for illuminating a target; a monochrome digital camera; a switching circuit for activating said light source for generating each of said plurality of discrete wavelength bands sequentially and controlling said monochrome digital camera to sequentially capture images of said target illuminated by each of said plurality of discrete wavelength bands; a storage device for storing said captured images; a processor for retrieving said captured images from said storage device, individually assigning each of said plurality of discrete wavelength bands to one of a plurality of color channels, and combining said plurality of color channels to form a pseudo-color composite image. - View Dependent Claims (2, 3, 4)
-
-
5. A method for providing a pseudo-color composite image, said method comprising:
-
generating light at a plurality of discrete wavelength bands for illuminating a target; activating said light source for generating each of said plurality of discrete wavelength bands sequentially; capturing monochrome images of said target illuminated by each of said plurality of discrete wavelength bands; storing said captured images in a storage device; processing said captured images stored in said storage device retrieving said captured images from said storage device; assigning each of said plurality of discrete wavelength bands to one of a plurality of color channels; and combining said plurality of color channels to form a composite image having pseudo-color. - View Dependent Claims (6, 7, 8)
-
-
9. A digital security camera apparatus comprising:
-
a first light source for generating light at a first discrete wavelength band for illuminating a target; a second light source for generating light at a second discrete wavelength band for illuminating said target; a third light source for generating light at a third discrete wavelength band for illuminating said target; a monochrome digital image capture device; a switching circuit for singly activating said first light source, said second light source and said third light source, and controlling said monochrome digital image capture device to sequentially capture images of said target illuminated by each of said plurality of discrete wavelength bands; a storage device for storing said captured images; and a processor for retrieving said captured images from said storage device, individually assigning each of said discrete wavelength bands to one of a plurality of color channels, and combining said plurality of color channels to form a pseudo-color composite image. - View Dependent Claims (10, 11, 12)
-
-
13. A method for providing a pseudo-color composite image, said method comprising:
-
generating a first light at a first discrete wavelength band for illuminating a target; generating a second light at a second discrete wavelength band for illuminating said target; generating a third light at a third discrete wavelength band for illuminating said target; capturing, sequentially, images of said target illuminated by each of said first discrete wavelength band, said second discrete wavelength band and said third discrete wavelength band; storing said captured images; retrieving said captured images from said storage device; individually assigning each of said discrete wavelength bands to one of a plurality of color channels; and combining said plurality of color channels to form a pseudo-color composite image. - View Dependent Claims (14, 15, 16)
-
Specification