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This study suggests a method to measure the distance to an object using a stereo vision system (SVS) by emulating human vision system. Distance measurement methods of previous studies have the downside that the distance can be measured only if an object is located between the optical axes in the overlapping area of stereo cameras. Thus, this study suggests a method to measure the distance when an object is located outside the optical axes in the overlapping area of the two cameras. Simulations were conducted to test the distance measurement method suggested in this study. The simulations proved the accuracy of the suggested distance measurement method.