并对它所提的“图像清晰度”、“内外偏心度”以及“虹膜可见度”三个指标进行了分析。
And, the indexes of image clearity, eccentricity of inner and external boundaries and the iris visibility are discussed.
本文提出了“图像清晰度”、“内外偏心度”和“虹膜可见度”三个衡量图像质量的指标，实现了对虹膜图像进行实时质量评价的要求。
Three performance metrics, image Definition, Inside and Outside Eccentricity, and Iris Visibility are introduced, which makes possible a real-time evaluation to the acquired images.
目的比较非晶体硒平板探测器DR与CR系统的胸腰段脊柱照片图像质量和解剖结构可见度。
Objective To compare the imaging quality and the anatomic detail in thoracolumbar spine of amorphous selenium flat-panel detector digital radiography(DR) system and computed radiography(CR) system.
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