Journal of Healthcare Engineering / 2017 / Article / Tab 1

Research Article

An Approach to Evaluate Blurriness in Retinal Images with Vitreous Opacity for Cataract Diagnosis

Table 1

Feature description of cataract grading.

Feature parameterDescription

v1Number of visible retinal structure pixels
segmented with threshold t1
v2Number of visible retinal structure pixels
segmented with threshold t2
v3Number of visible retinal structure pixels
segmented with threshold t3
v4Number of visible retinal structure pixels
segmented with threshold t4
m1Mean enhanced value of segmented visible
retinal structures with threshold t1
m2Mean enhanced value of segmented visible
retinal structures with threshold t2
m3Mean enhanced value of segmented visible
retinal structures with threshold t3
m4Mean enhanced value of segmented visible
retinal structures with threshold t4
dAverage value of the local standard deviation

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