Travel aspect ratio of face recognition camera module
If the font uses a different stroke width s, the average stroke width should be used. The average stroke width savg can be calculated by averaging the maximum stroke width Smax and the minimum stroke width smin of a character, and the capital letter "a" can be measured. The stroke width to height ratio of alphanumeric characters should be between 0.08 and 0.2. The character "H" shall be used as a reference for measurement (see Figure a.1). For some fonts, higher values can be used.
AR0230---1/2.7 HD 2M Wide Dynamic
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Ten Thousand Trillion Industrial Camera Camera Module
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