Image processing is the computational transformation of an image signal. It's about the technical side of batch transformations, conversions, and enhancements, as distinct from post-processing (adjusting an image to achieve a desired look, probably using image processing).
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1answer
95 views
Gamma loaders on Windows 7/8: necessary or not?
I noticed that some monitor profiling software (like X-Rite i1 Display Pro, for one example) install their startup gamma loaders under Windows 7.
Back in the XP days we used those utilities to load ...
2
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1answer
125 views
Learning about photography algorithms [closed]
I'm very interested in learning about algorithms in photography (in particular processing photos). In addition to algorithms, I'm interested in learning about photo formats (probably RAW and jpeg the ...
2
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1answer
504 views
How exactly do RGB curves work and interact w/each other in Photoshop?
So I understand how a single curve works:
If you create a curve such that R100 (in) becomes R50 (out), every pixel that has an R value of R100 becomes R50.
Similar deal with the RGB curve:
if you ...
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3answers
347 views
How to batch process images retaining them as PNG in Photoshop?
I need to optimize 700 images in PNG in a batch process, but Photoshop only gives me the option to optimize the images and export them to JPG, when I want to mantain the images on PNG.
Is there a way ...
1
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2answers
206 views
some criteria when a filter looks good
I'm a developer who wants to figure out when a filter would look good applied to a given image.
For example, I have sepia, solarisation and pencil filters.
Okay, the perception will be very ...
1
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1answer
175 views
What is the the product of two Fast Fourier Transfoms?
I am reading a book about image processing. I have found mention of a method for processing images.
It is said that a special effect could be reached when we multiply two results of the Fast Fourier ...
1
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1answer
227 views
How can I extract qualitative information from EXIF files?
I have bunch of EXIF files. I am looking for some heuristics to extract qualitative information such as if the picture is portrait or not, if the picture was taken in day or night, if the picture is ...
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2answers
437 views
Raw Captured Image processing
I intend to take raw images using a Canon which gives *.CRW and DNG format raw images.
I have below question regarding processing of those raw capture
1] What all tools(I am ready to ...
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3answers
247 views
What settings do I have to use to take pictures like this one by S Dot B?
I am impressed by this photograph of hip hop artist Kid Ink by S Dot B photography:
http://www.killerhiphop.com/wp-content/uploads/2011/03/Kid-Ink.jpg
Can anybody tell me the settings for my Nikon ...
0
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4answers
370 views
What color system best differentiates Yellow/Red/Black? [closed]
I'm working on a image processing system to segment three different types of pixels that are more or less Yellow/Red/Black.
Now my question - which I though it's best to be asked here - is that which ...
0
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3answers
163 views
Would you use an online RAW image processing application? [closed]
I'm just curious, if there was a web-site/web-portal related to RAW image processing what features you would prefer to use on it:
RAW image processing (from different Cameras)
Implementing different ...
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4answers
432 views
A beginner with post processing wanting to learn [duplicate]
Possible Duplicate:
Any good tutorials for learning how to post-process images?
Though I have been trying hands on photography for quite a while now, I want to learn post processing of ...
0
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2answers
228 views
Image overlay and processing [closed]
If I overlay an image( lets say A) with another image(B) using 50% transparency. is it possible to recover A without knowing what B is? Dose overlaying make it hard to extract the original content?
...
0
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0answers
25 views
How can I export 16 bit tiffs with Mac OSX' imageing engine sips?
I'm playing around with Apple sips command. When I export a Canon raw file (CR2) to tiff via
sips -s format tiff -out img.tiff img.cr2
the result is an 8-bit tiff, although the CR2 source is ...
0
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0answers
151 views
Interesting image effects [closed]
I'm developing android application that applies some image filter. Right now I've created only two filters: comic effect and sketch effect. See images below.
Original:
Processed:
My aim is to ...
0
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0answers
165 views
Possible pixel level operations or Filters after XORing and position changing [closed]
Basically, I'd like to bitwise XOR an image with another image of the same size but different content. Then, I rearranging all the pixels positions(shuffled the results). Then, I'd like to know what ...
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votes
1answer
322 views
How to calculate object's height in pixels from an image? [duplicate]
Possible Duplicate:
Calculate object size when I have physical pixel size
I am working on the following formula to calculate distance of object from camera:
distance to object (mm) = ...
-1
votes
1answer
436 views
How is colour balancing performed in post processing of raw images
I had asked a question previously here which though not duplicate but is related to this. Asking this one as I feel it is different.
My question is basically related to colour balancing/colour ...
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votes
0answers
20 views
Analysing shape of objects using image processing MATLAB? [closed]
Hey guys ,,
I m working on image processing using matlab. Until now,I am able to draw boundaries around the objects present in the image. Further, I wanted to analyse the shape of those ...
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votes
5answers
208 views
What photograph-manipulation application matches my specific feature wishlist?
Thanks to the new digital photography era, my computer is flooded with tons of photographs (like most photographers).
I'm looking at a software having the following characteristics ( one software )
...
