HistoHDR, an Histogram based HDR script - Completed and Working Scripts - CHDK Forum
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HistoHDR, an Histogram based HDR script

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Offline mendi80

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HistoHDR, an Histogram based HDR script
« on: 14 / October / 2013, 14:05:04 »
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In short
This script will scan the exposure time range using histogram.
step 1: shooting current (saving tv current as tvzero) 
step 2: Loop: lower exposure time, shoot, then decide from the histogram if there is point to continue in loop
step3: going back to tvzero
step 4: Loop: raise exposure time, shoot, then decide from the histogram if there is point to continue in loop

 :xmas
« Last Edit: 14 / October / 2013, 14:07:00 by mendi80 »
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Offline waterwingz

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Re: HistoHDR, an Histogram based HDR script
« Reply #1 on: 14 / October / 2013, 17:59:45 »
Nice work!
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline jmac698

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Re: HistoHDR, an Histogram based HDR script
« Reply #2 on: 27 / April / 2015, 12:52:02 »
Very nice, I've wanted to do this for some time now, in fact I made some request to add better histogram readout.  I was following the timelapse thread (ultimate intervalometer I think) as he did some work with histograms for that.

I'm glad I didn't have to write this myself now :)
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Offline reyalp

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Re: HistoHDR, an Histogram based HDR script
« Reply #3 on: 27 / April / 2015, 16:26:23 »
Quote from: jmac698 on 27 / April / 2015, 12:52:02
Very nice, I've wanted to do this for some time now, in fact I made some request to add better histogram readout.
FWIW, the 1.4 development branch adds a lot more capability for measuring and manipulating the raw data. See http://chdk.setepontos.com/index.php?topic=11081.10 for discussion.
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