Objective to develop a kind of intelligent visual acuity test chart for the subject to test their visual acuity by themselves.
目的研制一种智能视力表，实现被检测者自助检测视力。
To verify the accuracy of this method, the results are compared with the MTF values obtained by the original method, in which the gray level of the test chart pictures are read and calculated.
将这种方法所测量的结果与实际读取胶片时由分辨率板的图案中黑白条纹灰度值计算出的MTF值进行了比较，验证了这种方法的准确性。
This is a Test Chart to evaluate the horizontal resolution of an imaging device.
这是一个测试卡用以评估一个成像装置的水平分辨率。
The display apparatus for a test-chart, the memory device and the keyboard are respectively connected with the processor.
所述视力表显示装置、存储器、键盘分别与处理器相连。
The display apparatus for a test-chart, the memory device and the keyboard are respectively connected with the processor.
所述视力表显示装置、存储器、键盘分别与处理器相连。
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