The computer aided 3D display system, flicker-free field sequential stereoscopic image display system, is newly developed. This system is composed of personal computer, liquid crystal glasses driving card, stereoscopic display software and liquid crystal glasses. It can display field sequential stereoscopic images at refresh rate of 70 Hz to 120 Hz. A typical application of this system, 3D vision test system, is mainly discussed in this paper. This stereoscopic vision test system can test stereoscopic acuity, cross disparity, uncross disparity and dynamic stereoscopic vision quantitatively. We have taken the use of random-dot- stereograms as stereoscopic vision test charts. Through practical test experiment between Anaglyph Stereoscopic Vision Test Charts and this stereoscopic vision test system, the statistical figures and test result is given out.
Objective To automatically detect the number of capillaries using a computerized image analysis.Methods Software was made by VB6.0 version, including the binary fashion image and coding. The number of capillaries was numerated on the sections of tumor tissues(vWF stain).Results In quantitation of capillaries, there were significant correlations between computer analysis and manually counting in the treatment and control groups (r=0.93 P0.001 and r=0.99 P0.001). While there were not significant differences between two methods in both groups according to t_test(P0.05). Conclusions It is a novel approach to the quantitation of capillaries using a computerized image analysis and useful for studying angiogenesis in diseases.
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