step by step procedure to calculate a value
5
votes
4answers
226 views
Would a demosaic algorithm for black and white be useful?
Given that the main purpose of demosaicing is to recover colour as accurately as possible, would there be any advantage to a "black and white only" demosaic algorithm? That is, instead of first ...
3
votes
2answers
224 views
What algorithm can be used for deflickering timelapse shots?
What are deflicker algorithms used to deflicker stills that should be composed to a timelapse movie?
(Flickering caused by shutterspeed adjustments in sunset/sunrise shots...)
7
votes
2answers
269 views
How does “smile shot” work in cameras?
Nowadays some advanced cameras have the feature of "smile shot" without the photographer pressing the shutter. How do the cameras achieve this? How does it recognise the smile?
0
votes
3answers
150 views
Does the curves tool in Photoshop (or any software) do anti-aliasing?
I'm not talking about drawing smooth curves here, but rather the curves tool used for adjusting color levels. An illustration will be worth a thousand words, here. This is an adjustment in Gimp:
...
2
votes
1answer
248 views
How to understand the definition of dynamic range?
I have the following formula:
DR=(1.4L_Sat G_i)/N_D
where DR is the dynamic range;
L_sat is the luminance at the “margin level”，70.1% of the maximum recordable （saturation）luminance（yes，L_sat is ...
1
vote
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 ...
2
votes
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 ...
9
votes
1answer
267 views
How does demosaicing work in Fujifilm's new sensor for the X Pro-1?
Fujifilm has an innovative new sensor layout for the just-released X Pro-1 camera, which they say is "inspired by the natural random arrangement of the fine grains of silver halide in film":
Since ...
8
votes
4answers
1k views
What are the pros and cons of different Bayer demosaicing algorithms?
Bayer sensors use a pattern of red, green, and blue pixels, and merge those together into a final color image, with one pixel for every single color sensor. This could be done through a "naive" ...
