Deformation field debugging

Deformation field debugging

Effect of quantization

• I quantized the JRC2018F_JFRC2010 field, specifying the max error to be 0.08um (quantization multiplier = 0.046188)
• Compared the results:

Command

compareDfields /groups/saalfeld/public/jrc2018/transformations/jrc2018F-jfrc2010/JRC2018F_JFRC2010_Warp.nii /groups/saalfeld/public/jrc2018/transformations/quant/JRC2018F_JFRC2010_transform_quant16.h5 0.08

dfield1: [0, 0, 0, 0] -> [1426, 663, 412, 2], dimensions (1427, 664, 413, 3)
dfield2: [0, 0, 0, 0] -> [1426, 663, 412, 2], dimensions (1427, 664, 413, 3)
min error magnitude : 0.0
avg error magnitude : 0.011574032532083861
max error magnitude : 0.03883343141295593

Max error is within specified tolerance. Conclusion - quantization works