TY - GEN
T1 - Image geometric corrections for a new EMCCD-based dual modular x-ray imager
AU - Qu, Bin
AU - Huang, Ying
AU - Wang, Weiyuan
AU - Cartwright, Alexander N.
AU - Titus, Albert H.
AU - Bednarek, Daniel R.
AU - Rudin, Stephen
PY - 2011
Y1 - 2011
N2 - An EMCCD-based dual modular x-ray imager was recently designed and developed from the component level, providing a high dynamic range of 53 dB and an effective pixel size of 26 μm for angiography and fluoroscopy. The unique 21 array design efficiently increased the clinical field of view, and also can be readily expanded to an MxN array implementation. Due to the alignment mismatches between the EMCCD sensors and the fiber optic tapers in each module, the output images or video sequences result in a misaligned 2048×1024 digital display if uncorrected. In this paper, we present a method for correcting display registration using a custom-designed two layer printed circuit board. This board was designed with grid lines to serve as the calibration pattern, and provides an accurate reference and sufficient contrast to enable proper display registration. Results show an accurate and fine stitching of the two outputs from the two modules.
AB - An EMCCD-based dual modular x-ray imager was recently designed and developed from the component level, providing a high dynamic range of 53 dB and an effective pixel size of 26 μm for angiography and fluoroscopy. The unique 21 array design efficiently increased the clinical field of view, and also can be readily expanded to an MxN array implementation. Due to the alignment mismatches between the EMCCD sensors and the fiber optic tapers in each module, the output images or video sequences result in a misaligned 2048×1024 digital display if uncorrected. In this paper, we present a method for correcting display registration using a custom-designed two layer printed circuit board. This board was designed with grid lines to serve as the calibration pattern, and provides an accurate reference and sufficient contrast to enable proper display registration. Results show an accurate and fine stitching of the two outputs from the two modules.
UR - https://www.scopus.com/pages/publications/84862597374
U2 - 10.1109/IEMBS.2011.6090726
DO - 10.1109/IEMBS.2011.6090726
M3 - Conference contribution
C2 - 22254882
AN - SCOPUS:84862597374
SN - 9781424441211
T3 - Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS
SP - 2634
EP - 2637
BT - 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS 2011
T2 - 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS 2011
Y2 - 30 August 2011 through 3 September 2011
ER -