| 字词 | print contrast ratio |
| 释义 | print contrast ratio 印刷反差比,照片反差比 In optical character recognition, the ratio obtained by subtracting the reflectance at an inspection area from the maximum reflectance found within a specified distance from that area and dividing the result by that maximum reflectance. 在光符识别中,距观察区一定距离处测得的最大反射系数减去观察区的反射系 数再除以最大反射系数所得的结果。对照print contrast signal。 |
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