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Proceedings Article

Image quality assessment of 2-chip color camera in comparison with 1-chip color and 3-chip color cameras in various lighting conditions: initial results

[+] Author Affiliations
Sina Adham Khiabani, Yun Zhang, Fatemeh Fathollahi

Univ. of New Brunswick (Canada)

Proc. SPIE 9100, Image Sensing Technologies: Materials, Devices, Systems, and Applications, 91000W (May 21, 2014); doi:10.1117/12.2053551
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From Conference Volume 9100

  • Image Sensing Technologies: Materials, Devices, Systems, and Applications
  • Nibir K. Dhar; Achyut K. Dutta
  • Baltimore, Maryland, USA | May 05, 2014

abstract

A 2-chip color camera, named UNB Super-camera, is introduced in this paper. Its image qualities in different lighting conditions are compared with those of a 1-chip color camera and a 3-chip color camera. The 2-chip color camera contains a high resolution monochrome (panchromatic) sensor and a low resolution color sensor. The high resolution color images of the 2-chip color camera are produced through an image fusion technique: UNB pan-sharp, also named FuzeGo. This fusion technique has been widely used to produce high resolution color satellite images from a high resolution panchromatic image and low resolution multispectral (color) image for a decade. Now, the fusion technique is further extended to produce high resolution color still images and video images from a 2-chip color camera. The initial quality assessments of a research project proved that the light sensitivity, image resolution and color quality of the Super-camera (2-chip camera) is obviously better than those of the same generation 1-chip camera. It is also proven that the image quality of the Super-camera is much better than the same generation 3-chip camera when the light is low, such as in a normal room light condition or darker. However, the resolution of the Super-camera is the same as that of the 3- chip camera, these evaluation results suggest the potential of using 2-chip camera to replace 3-chip camera for capturing high quality color images, which is not only able to lower the cost of camera manufacture but also significantly improving the light sensitivity. © (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Sina Adham Khiabani ; Yun Zhang and Fatemeh Fathollahi
" Image quality assessment of 2-chip color camera in comparison with 1-chip color and 3-chip color cameras in various lighting conditions: initial results ", Proc. SPIE 9100, Image Sensing Technologies: Materials, Devices, Systems, and Applications, 91000W (May 21, 2014); doi:10.1117/12.2053551; http://dx.doi.org/10.1117/12.2053551


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