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条形码识别器Dynamsoft Barcode Reader v7.5全新上线!
2020-11-06 22:27:00 【roffey】
Dynamsoft Barcode Readerv7.5带来了一些新的参数配置,例如中心定位条形码、二值化模式等。让我们来看看新功能中的一些亮点。
更新
- 添加了对QR Code Model 1(QR Code规范的旧版本)的支持。可以通过在JSON模板文件中设置FormatSpecification.EnableQRCodeModel1来启用它。
- 添加了新的定位模式LM_CENTRE以从中心定位条形码,如果条形码位于图像的中心,则可以提高定位速度。可以通过设置结构PublicRuntimeSettings-> LocalizationModes-> LM_CENTRE来启用它。
- 添加了新的二值化模式BM_THRESHOLD来设置BinarizationThreshold值,该值用于将灰度图像转换为二进制图像。
- 为UPC_A,UPC_E,EAN_8和EAN_13代码的结构OneDCodeDetails添加了startPatternRange,middlePatternRange和endPatternRange属性。
- 为RegionPredetectionMode.RPM_GENERAL_RGB_CONTRAST和RegionPredetectionMode.RPM_GENERAL_GRAY_CONTRAST添加了以下新参数:
- RelativeBarcodeRegions:设置相对于预检测区域的条形码区域。
- ForeAndBackgroundColours:指定用于区域预检测算法的一组(或多组)前景色和背景色。
- AspectRatioRange:设置预检测区域的边界矩形的高度范围。
- HeightRange:设置预检测区域的边界矩形的宽度范围。
- WidthRange:设置预检测区域的边界矩形的纵横比范围。
改善
- 优化了一维条形码区域的二值化过程。
- 提高了一维条形码的解码精度。
- 解码速度提高了5%-20%。
- 使用损坏的查找器模式提高了数据矩阵代码的解码精度。
修复
- 修复了在某些情况下条形码的坐标计算不正确的错误。
本文章转载自【慧都科技】。欢迎任何形式的转载,但请务必注明出处、不得修改原文相关链接,尊重他人劳动成果
版权声明
本文为[roffey]所创,转载请带上原文链接,感谢
https://my.oschina.net/u/4587239/blog/4484581
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