On Thu 01-Apr-2021 at 09:30 -0400, Benjamin Kalish wrote:
I'm brand new to Hugin and am trying to use it to stitch microfilm scans
together. I feel certain the result could be better—what can I do to get
better output?

I've attached my pto file and the output from my most recent attempt.

The problem is that somehow the pitch and yaw of the images was set. Possibly you used the Drag tool to centre the image, but this will make a mess of scanned images - where pitch and yaw need to be set to zero. The Drag tool has a 'mosaic' mode for this, it will switch to changing the X and Y positions rather then the yaw and pitch.

Attached a version of your project with the pitch and yaw reset to zero and with X and Y reoptimised, this should give better results.

--
Bruno

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# hugin project file
#hugin_ptoversion 2
p f0 w3363 h4383 v28  E0 R0 n"TIFF_m c:LZW r:CROP"
m i0

# image lines
#-hugin  cropFactor=1
i w1180 h1180 f0 v10 Ra0 Rb0 Rc0 Rd0 Re0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX-0.15590420919035 TrY-0.228211511407327 TrZ0 Tpy-0 Tpp0 j0 a0 b0 c0 d0 e0 g0 
t0 Va1 Vb0 Vc0 Vd0 Vx0 Vy0  Vm5 n"Hatfield Mill-A1.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX-0.154315664965142 TrY-0.0722222934482687 TrZ-0.00462255540295079 Tpy-0 Tpp0 
j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-A2.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX-0.153681699721725 TrY0.0958896149648086 TrZ-0.00335529097593978 Tpy-0 Tpp0 
j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-A3.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX-0.155201858567308 TrY0.216999819093902 TrZ-0.00328334731807921 Tpy-0 Tpp0 
j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-A4.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX0.0114664746212389 TrY-0.222952612160423 TrZ0.00140377609206029 Tpy-0 Tpp0 
j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-B1.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX-0.0308608321227401 TrY-0.179507785359919 TrZ-0.00120432815652249 Tpy-0 Tpp0 
j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-B2.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX-0.0295809946431993 TrY-0.0110448542903737 TrZ-0.00369408140339825 Tpy-0 
Tpp0 j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 
n"Hatfield Mill-B3.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX-0.0323625553180266 TrY0.127886564129835 TrZ-0.00510609253536178 Tpy-0 Tpp0 
j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-B4.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX-0.0339291778816839 TrY0.20032488634369 TrZ-0.00401411054032622 Tpy-0 Tpp0 
j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-B5.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX0.0776392483604971 TrY0.220221399119829 TrZ-0.00261483108077304 Tpy-0 Tpp0 
j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-B6.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX0.155694660145806 TrY-0.223027858522476 TrZ-0.00294553141064867 Tpy-0 Tpp0 
j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-C1.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX0.157602461486101 TrY-0.0634897631764013 TrZ-0.00389137567090299 Tpy-0 Tpp0 
j0 a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-C2.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX0.159488330385045 TrY0.103553945835002 TrZ-0.00646113533026324 Tpy-0 Tpp0 j0 
a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-C3.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX0.158213680451898 TrY0.218868384664548 TrZ-0.00353191782609436 Tpy-0 Tpp0 j0 
a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-C4.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX0.0463013675003967 TrY0.0142699438669762 TrZ0.44373561400291 Tpy-0 Tpp0 j0 
a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-D1.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX0.0473207055331498 TrY-0.112079979298714 TrZ0.443526574532828 Tpy-0 Tpp0 j0 
a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-D2.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX0.0447510665025955 TrY0.176156702665343 TrZ0.431665500736165 Tpy-0 Tpp0 j0 
a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-D3-dark.jpg"
#-hugin  cropFactor=1
i w1180 h1180 f0 v=0 Ra=0 Rb=0 Rc=0 Rd=0 Re=0 Eev0 Er1 Eb1 r0 p0 y-0 
TrX0.0446785487088542 TrY0.176499601265369 TrZ0.434207781421115 Tpy-0 Tpp0 j0 
a=0 b=0 c=0 d=0 e=0 g=0 t=0 Va=0 Vb=0 Vc=0 Vd=0 Vx=0 Vy=0  Vm5 n"Hatfield 
Mill-D3.jpg"


# specify variables that should be optimized
v Ra0
v Rb0
v Rc0
v Rd0
v Re0
v Vb0
v Vc0
v Vd0
v Eev1
v TrX1
v TrY1
v TrZ1
v Eev2
v TrX2
v TrY2
v TrZ2
v Eev3
v TrX3
v TrY3
v TrZ3
v Eev4
v TrX4
v TrY4
v TrZ4
v Eev5
v TrX5
v TrY5
v TrZ5
v Eev6
v TrX6
v TrY6
v TrZ6
v Eev7
v TrX7
v TrY7
v TrZ7
v Eev8
v TrX8
v TrY8
v TrZ8
v Eev9
v TrX9
v TrY9
v TrZ9
v Eev10
v TrX10
v TrY10
v TrZ10
v Eev11
v TrX11
v TrY11
v TrZ11
v Eev12
v TrX12
v TrY12
v TrZ12
v Eev13
v TrX13
v TrY13
v TrZ13
v Eev14
v TrX14
v TrY14
v TrZ14
v Eev15
v TrX15
v TrY15
v TrZ15
v Eev16
v TrX16
v TrY16
v TrZ16
v Eev17
v TrX17
v TrY17
v TrZ17
v


# control points
c n0 N1 x324 y1131 X312.845351512033 Y75.6692338773996 t0
c n0 N1 x957 y1159 X948 Y106 t0
c n0 N4 x1166 y317 X42 Y283 t0
c n0 N4 x1152.69697560942 y374.290418064856 X20 Y338 t0
c n1 N2 x274 y1171 X269.796995035 Y30.9322957275148 t0
c n1 N2 x804 y1151 X802 Y14 t0
c n2 N3 x995.868131868132 y879.164835164835 X1008.83516483516 Y59.6483516483516 
t0
c n2 N3 x262 y902 X272 Y82 t0
c n1 N5 x963.845808120438 y316.602190379532 X127 Y1043 t0
c n1 N5 x947 y9 X113 Y735 t0
c n4 N5 x359.229253295101 y1038.94032019691 X643 Y746 t0
c n4 N5 x832 y456 X1117.41838920448 Y164.219471429026 t0
c n6 N7 x1132 y1027 X1154 Y87 t0
c n6 N7 x111 y1025 X130.883287472663 Y81.9618630451363 t0
c n8 N7 x135 y649 X120.654937912513 Y1141.30801620344 t0
c n8 N7 x798 y655 X784.26455891268 Y1146.68919123303 t0
c n8 N9 x798 y656 X41 Y518 t0
c n8 N9 x1105 y815 X351.444949209382 Y677.323734663573 t0
c n4 N10 x1079 y313 X107 Y311 t0
c n4 N10 x1128 y700 X155.070255548907 Y700.987244467206 t0
c n10 N11 x877.075706739662 y1100.10730130874 X866 Y21 t0
c n10 N11 x214.076044437564 y1092.35253497463 X201 Y11 t0
c n11 N12 x230 y1148 X220.155897534235 Y15.9663152381896 t0
c n11 N12 x822 y1173 X813.906759293227 Y42.6811880240739 t0
c n12 N13 x191.767853961015 y880.836734924851 X202 Y99 t0
c n12 N13 x801 y822 X812.825985129111 Y43.1816152336646 t0
c n13 N9 x179 y897 X725.087999153356 Y890.066347029299 t0
c n13 N9 x202 y99 X748.53000617402 Y94.796257899394 t0
c n8 N9 x845 y954 X89.1148101143293 Y818.121773991629 t0
c n8 N3 x118 y805 X937.256496517729 Y690.989477219509 t0
c n8 N3 x109 y232 X929 Y121 t0
c n14 N6 x585.901121448554 y203.663737987442 X1100 Y202 t0
c n14 N6 x596 y402 X1111.02762460692 Y491.011483461332 t0
c n14 N6 x537 y529 X1027.17722125173 Y672.498852129094 t0
c n14 N7 x582.318499484818 y865.174832595223 X1107 Y223 t0
c n14 N7 x180 y863 X530 Y213 t0
c n14 N8 x137 y1079 X477 Y34 t0
c n14 N8 x366 y1162 X804 Y160 t0
c n14 N11 x809.17133241354 y193.988605785305 X158 Y542 t0
c n14 N11 x829 y592 X184 Y1120 t0
c n14 N12 x806 y752 X137.891455568942 Y218.208994382221 t0
c n14 N12 x829 y1072 X163 Y685 t0
c n14 N13 x872.067425813633 y1144.98297823565 X239 Y10 t0
c n14 N13 x1034 y1144 X477 Y13 t0
c n14 N15 x692.304178134663 y108.351146466161 X690 Y698 t0
c n14 N15 x328 y318 X326.311286090695 Y908.279113711098 t0
c n15 N11 x804.883802157006 y785.87293690022 X156 Y545 t0
c n15 N11 x776 y997 X108 Y849 t0
c n15 N11 x1046 y797 X510 Y567 t0
c n15 N5 x261 y360 X646.728741972976 Y709.15085958875 t0
c n15 N5 x568 y591 X1085.78752843507 Y1049.13279557787 t0
c n15 N6 x585 y800 X1102.42787976105 Y211.575691576313 t0
c n15 N6 x326.974759603015 y907.868455204531 X731 Y368 t0
c n15 N6 x132 y855 X450 Y286 t0
c n17 N7 x584 y104 X1105.66560489971 Y222.04987431767 t0
c n17 N7 x130 y254 X451.397917113336 Y432.221576180615 t0
c n17 N7 x184 y101 X529 Y214 t0
c n17 N8 x69 y882 X368 Y845 t0
c n17 N8 x581 y855 X1105 Y816 t0
c n17 N8 x332 y319 X753.329460175476 Y38.6997919773754 t0
c n17 N16 x586.100963423182 y105.294844425993 X586 Y106 t0
c n17 N16 x874 y386 X874.028382291331 Y387.138772730897 t0
c n17 N16 x870 y742 X870.021888610696 Y744.063246391068 t0

#hugin_optimizeReferenceImage 0
#hugin_blender internal
#hugin_remapper nona
#hugin_enblendOptions 
#hugin_enfuseOptions 
#hugin_hdrmergeOptions -m avg -c
#hugin_verdandiOptions 
#hugin_outputLDRBlended true
#hugin_outputLDRLayers false
#hugin_outputLDRExposureRemapped false
#hugin_outputLDRExposureLayers false
#hugin_outputLDRExposureBlended false
#hugin_outputLDRStacks false
#hugin_outputLDRExposureLayersFused false
#hugin_outputHDRBlended false
#hugin_outputHDRLayers false
#hugin_outputHDRStacks false
#hugin_outputLayersCompression LZW
#hugin_outputImageType png
#hugin_outputImageTypeCompression LZW
#hugin_outputJPEGQuality 90
#hugin_outputImageTypeHDR exr
#hugin_outputImageTypeHDRCompression LZW
#hugin_outputStacksMinOverlap 0.7
#hugin_outputLayersExposureDiff 0.5
#hugin_outputRangeCompression 0
#hugin_optimizerMasterSwitch 0
#hugin_optimizerPhotoMasterSwitch 21

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