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・ Orthogonal array
・ Orthogonal array testing
・ Orthogonal basis
・ Orthogonal collocation
・ Orthogonal complement
・ Orthogonal convex hull
・ Orthogonal coordinates
・ Orthogonal Defect Classification
・ Orthogonal diagonalization
・ Orthogonal frequency-division multiple access
・ Orthogonal frequency-division multiplexing
・ Orthogonal functions
・ Orthogonal group
・ Orthogonal instruction set
・ Orthogonal matrix
Orthogonal polarization spectral imaging
・ Orthogonal polynomials
・ Orthogonal polynomials on the unit circle
・ Orthogonal Procrustes problem
・ Orthogonal symmetric Lie algebra
・ Orthogonal trajectory
・ Orthogonal transformation
・ Orthogonal wavelet
・ Orthogonality
・ Orthogonality (programming)
・ Orthogonality (term rewriting)
・ Orthogonality principle
・ Orthogonalization
・ Orthogonia
・ Orthogonia grisea


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Orthogonal polarization spectral imaging : ウィキペディア英語版
Orthogonal polarization spectral imaging
Orthogonal polarization spectral imaging is a method for imaging small blood vessels in tissue like the nail bed or lip.
It uses a light source of linearly polarized light with a wavelength of 550 nanometers, the isobestic point for hemoglobin, thus imaging the erythrocytes as they are flowing through the small blood vessels. The reflected light orthogonal (at a 90° angle) to the emitted light is recorded, thus eliminating direct reflections. The depolarized light forms an image of the microcirculation on a CCD, which can be captured through single frames or on videotape. The image produced is as if the light source is actually placed behind the desired target or transilluminated.〔(【引用サイトリンク】title=OPS Imaging )
It has been validated, even under low hematocrit circumstances.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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