The histogram tag has no wiki summary.
3
votes
2answers
130 views
Is there a way to automatically make the histogram of an image match another image?
Is histogram matching used in real-life photo editing ? Lets say, I have 2 images and I want the first to have histogram of second.
And is there any software, that can do this?
1
vote
2answers
123 views
What does it mean when an RGB histogram and luminance histogram look similar?
What does it mean when both RGB histogram and luminance histogram look similar?
Please explain in detali.
7
votes
2answers
175 views
How can I use a histogram to expose correctly when the scene is very dark?
If I am photographing a scene with a lot of dark background, how can I use the histogram to tell if the exposure is correct? For instance, at an outdoor concert in which the performers are moderately ...
5
votes
2answers
197 views
How to avoid overexposing image using RGB histogram when shooting RAW and using different Picture Controls?
Since the histogram is computed from JPEG that is burned into RAW file using Picture Control (PC), how can one actualy rely on it? How precise is it when PC is set to Neutral?
Simple test:
Make 2 RAW ...
1
vote
3answers
234 views
How do I judge correct White Balance?
Which photo has the more correct White Balance? (see below link) For me the second is much better than the first. My understanding is that the R+G+B histogram needs to be more balanced as possible. Is ...
11
votes
2answers
816 views
How do I interpret individual colors on RGB histogram?
I know how to read the Luminosity histogram and I thought that I knew how to read RGB histogram as well, until I saw the following example:
The RGB histogram shows exactly the same 3 'spikes'. What ...
11
votes
4answers
389 views
If my histogram shows nothing at the ends of the scale, does it mean the dynamic range of my camera isn't reached?
If my histogram spikes in the middle and evens out pretty much evenly but not completely to the ends (0 & 255), does this just mean that my scene doesn't have the deep shadows or brightest ...
3
votes
1answer
221 views
Is it possible to get the Histogram display in Lightroom to only consider the area selected by your cropping?
I've noticed that when I crop a photo, the histogram does not change. If I am then making changes based on the histogram (ie. exposure, fill light, blacks, etc...), it would seem to me that the ...
16
votes
4answers
755 views
How does histogram shape affect the aesthetics of a picture?
For having more contrast in an image, it's good to have a wide range (i.e. difference between highest and lowest) of light intensities in a picture; and for keeping details, neither highlights nor ...
12
votes
4answers
791 views
Why should I use the Zone System when the histogram gives me all the information I need?
DSLR cameras, by and large, give very complete information about how the photo is exposed, in the form of a histogram and image of a trial exposure. It shows the light distribution for both luminance ...
4
votes
3answers
543 views
Since I can't get a light meter reading in the Canon EOS utility on manual, what should I do instead?
I've made a giant copy stand using an artist easel that slides up and down. It's working great, and after help on here I've decided to shoot my artwork archive project on manual (M) setting while ...
9
votes
2answers
398 views
Is there an easy way to select by histogram range in GIMP?
The other day I was wondering if there is an easy way in GIMP to choose the pixels that are part of a selected range on the histogram.
11
votes
4answers
878 views
What does it mean if the main peak of my Histogram is beyond the top of the chart?
I tried reading this thread about histograms, but couldn't understand it well enough to answer this question.
I took some shots yesterday where the main peak of my Histogram was actually off the ...
19
votes
3answers
4k views
68
votes
6answers
3k views
How and why do you use an image histogram?
I realize that an image histogram is a graphical display of an images tonal distribution (i.e. horizontal darks to lights, vertical pixel distribution), but how does one really use it and why? I mean, ...
