I reran the script a few times obtaining the following: https://drive.google.com/file/d/0B4xh3XYXDK_TbnVWT3ZKSkVxOVE/edit?usp=sharing https://drive.google.com/file/d/0B4xh3XYXDK_TaFNObVdwaThOVTQ/edit?usp=sharing https://drive.google.com/file/d/0B4xh3XYXDK_TYVBrRm56LWlETDQ/edit?usp=sharing
The second result set seems to have the closest fit for high-ISO and the first result set for lower ones, if my understanding is correct. On Wed, Oct 30, 2013 at 7:06 AM, johannes hanika <[email protected]> wrote: > hi, > > thanks for those. > > your images starting ~ iso 2500 are a little bit on the dark side. that > means the dark pixels are so many compared to the rest that they dominate > the curve, so the fit for those iso and higher are off a little, the one at > iso 12800 being the worst. > > the variance stabilization still kind of works but i'd prefer clean data :) > could you redo the high iso shots by any chance? > > cheers, > jo > > > On Wed, Oct 30, 2013 at 6:51 AM, John N Pham <[email protected]> wrote: >> >> Hi all, >> >> I ran through the profiling instructions posted at >> http://www.darktable.org/2012/12/profiling-sensor-and-photon-noise/ >> for the Canon 70D. The generated tarball with the images and PDFs are >> at >> https://drive.google.com/file/d/0B4xh3XYXDK_TYUtua2hfNUl3YVU/edit?usp=sharing >> >> The presets are: >> >> {"Canon EOS 70D iso 100", "Canon", "Canon EOS 70D", >> 100, {8.09556403466354e-06, 3.85186235699285e-06, >> 6.57742816756618e-06}, {6.82546535679493e-08, 4.94067038184825e-08, >> 6.77571653261505e-08}}, >> {"Canon EOS 70D iso 125", "Canon", "Canon EOS 70D", >> 125, {9.85692415783346e-06, 4.82618347585054e-06, >> 8.20162352156254e-06}, {1.05180874846527e-07, 7.80648564460554e-08, >> 1.04369517523936e-07}}, >> {"Canon EOS 70D iso 160", "Canon", "Canon EOS 70D", >> 160, {1.24900281584965e-05, 6.04388532602985e-06, >> 1.01544264652802e-05}, {6.4763465996339e-08, 4.13873070817594e-08, >> 6.14740811116903e-08}}, >> {"Canon EOS 70D iso 200", "Canon", "Canon EOS 70D", >> 200, {1.32051443203522e-05, 6.52256368761239e-06, >> 1.10469437819285e-05}, {7.46981952547114e-08, 4.89879058935299e-08, >> 7.09590205391306e-08}}, >> {"Canon EOS 70D iso 250", "Canon", "Canon EOS 70D", >> 250, {1.61550571092224e-05, 8.22819280293611e-06, >> 1.35355379468986e-05}, {1.04214269101993e-07, 7.11430073831034e-08, >> 1.02480222655271e-07}}, >> {"Canon EOS 70D iso 320", "Canon", "Canon EOS 70D", >> 320, {2.07756923260921e-05, 1.02117183843331e-05, >> 1.72899355628157e-05}, {8.45735123040985e-08, 5.17123529980444e-08, >> 8.24309714920819e-08}}, >> {"Canon EOS 70D iso 400", "Canon", "Canon EOS 70D", >> 400, {2.5981583113321e-05, 1.28167771246659e-05, >> 2.18925977066823e-05}, {1.21628504758282e-07, 7.71558285591852e-08, >> 1.16430090068798e-07}}, >> {"Canon EOS 70D iso 500", "Canon", "Canon EOS 70D", >> 500, {3.22569816118096e-05, 1.62910504829003e-05, >> 2.7573467985208e-05}, {1.72522964616297e-07, 1.12992157153189e-07, >> 1.6735886454422e-07}}, >> {"Canon EOS 70D iso 640", "Canon", "Canon EOS 70D", >> 640, {4.03375611795735e-05, 2.04607961559402e-05, >> 3.40435411860918e-05}, {1.62479545777786e-07, 9.64221619959175e-08, >> 1.52179536498051e-07}}, >> {"Canon EOS 70D iso 800", "Canon", "Canon EOS 70D", >> 800, {5.0055871336037e-05, 2.58310482731143e-05, >> 4.29368421269334e-05}, {2.24707909970447e-07, 1.37989188996053e-07, >> 2.16193615594247e-07}}, >> {"Canon EOS 70D iso 1000", "Canon", "Canon EOS 70D", >> 1000, {6.20627134681041e-05, 3.26141823739857e-05, >> 5.42423344471736e-05}, {3.10624543793319e-07, 2.03244520875671e-07, >> 3.10396940712541e-07}}, >> {"Canon EOS 70D iso 1250", "Canon", "Canon EOS 70D", >> 1250, {8.01402950098545e-05, 4.13530051468468e-05, >> 6.96858460134015e-05}, {3.40278686407428e-07, 2.10529403358748e-07, >> 3.28733882615039e-07}}, >> {"Canon EOS 70D iso 1600", "Canon", "Canon EOS 70D", >> 1600, {0.000102038245264009, 5.3164892184742e-05, >> 8.86173470290253e-05}, {4.69023324956497e-07, 2.95369533664585e-07, >> 4.50695941055561e-07}}, >> {"Canon EOS 70D iso 2000", "Canon", "Canon EOS 70D", >> 2000, {0.000132408496564679, 6.97418006100046e-05, >> 0.000115272764474337}, {6.50523432659147e-07, 4.17284122805423e-07, >> 6.11086539356555e-07}}, >> {"Canon EOS 70D iso 2500", "Canon", "Canon EOS 70D", >> 2500, {0.00016414138273633, 8.88509623526032e-05, >> 0.00014885092266836}, {7.01504125461925e-07, 4.43294534798975e-07, >> 6.76408784977792e-07}}, >> {"Canon EOS 70D iso 3200", "Canon", "Canon EOS 70D", >> 3200, {0.000204980147920998, 0.000114784374924333, >> 0.000186350891594973}, {9.50631493044304e-07, 5.99725776534146e-07, >> 8.98691384303826e-07}}, >> {"Canon EOS 70D iso 4000", "Canon", "Canon EOS 70D", >> 4000, {0.000265504619479336, 0.00015498887259856, >> 0.00024664090825267}, {1.25593728222684e-06, 7.99628565330973e-07, >> 1.18370044759619e-06}}, >> {"Canon EOS 70D iso 5000", "Canon", "Canon EOS 70D", >> 5000, {0.000335550121544946, 0.000204909348711664, >> 0.000319226092249149}, {1.53442566539378e-06, 9.4931774581696e-07, >> 1.43176498125055e-06}}, >> {"Canon EOS 70D iso 6400", "Canon", "Canon EOS 70D", >> 6400, {0.000416242345640607, 0.000265028063120356, >> 0.000386795731234805}, {1.76672582758076e-06, 1.04285246085764e-06, >> 1.59944737225856e-06}}, >> {"Canon EOS 70D iso 12800", "Canon", "Canon EOS 70D", >> 12800, {0.000745769939957314, 0.000652523768823219, >> 0.000804505906290384}, {3.82719254704406e-06, 1.88118061825709e-06, >> 3.44469873981656e-06}}, >> >> >> Hope this is useful, and thanks for the good work on Darktable! :) >> >> >> ------------------------------------------------------------------------------ >> Android is increasing in popularity, but the open development platform >> that >> developers love is also attractive to malware creators. Download this >> white >> paper to learn more about secure code signing practices that can help keep >> Android apps secure. >> >> http://pubads.g.doubleclick.net/gampad/clk?id=65839951&iu=/4140/ostg.clktrk >> _______________________________________________ >> darktable-devel mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/darktable-devel > > ------------------------------------------------------------------------------ Android is increasing in popularity, but the open development platform that developers love is also attractive to malware creators. Download this white paper to learn more about secure code signing practices that can help keep Android apps secure. http://pubads.g.doubleclick.net/gampad/clk?id=65839951&iu=/4140/ostg.clktrk _______________________________________________ darktable-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-devel
