Questions tagged [apps]
This tag covers photographically-oriented apps for portable computers such as tablets and mobile phones.
36
questions
1
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3
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16k
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How can I measure a height in an image using a person's height as reference?
I have an image of a person standing next to a tree. The person has a known height (1.8m). I want to estimate the tree height using the pixel ratio of the person to the tree.
I have previously done so ...
- 119
0
votes
3
answers
472
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Can I use my Samsung A51 smartphone camera to look at the red/near-infrared region?
I have two regions of interest: red (~665nm) and near-infrared / far-red (~720-750nm).
(possibly more but I'd like to see what is possible first)
The ratio of the absorbance values for red/far red is ...
- 211
0
votes
2
answers
126
views
I'm a sculptor & need a 3d photosphere of a human head for reference, is that possible?
Google searches are not yielding the right results and I don't know what to search on. I'd like to create a "photosphere" that is directed inward (capturing all possible angles of a person's ...
- 103
2
votes
2
answers
142
views
App that tracks sun AND incorporates topography?
I am looking for an app that will not only track the position of the sun at any given time on any given date at a certain location (like Suncalc or Photo Epherimis) but that ALSO incorporates ...
-1
votes
3
answers
1k
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Can the canon r5 and r6 connect to a phone without that phone disconnecting from the internet
Using som old cameras I hade to connect to the cameras built in wifi network to remote control it and download images to my smartphone. This the resulted in my smartphone loosing internet access until ...
- 1,591
1
vote
2
answers
153
views
Batch Scanning / iPhone apps?
I'm a photo editor that's been employed to work on the archive of an American music photographer from the 1960s.
My first task is to deal with over 20,000 35mm negatives.
The plan is to scan them all ...
- 11
6
votes
5
answers
2k
views
Is there an app that shows location-specific times of sunrise, while considering line-of-sight obstructions, such as terrain?
Taking sunrise/sunset pictures at the ocean allows for photographs where the sun is placed just above the horizontal plane. This allows for "red ball of fire" pictures, such as the following by ...
- 263
-1
votes
1
answer
2k
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What is this low-quality, fuzzy filter called? And does anyone know how to apply it to your own photos?
Can anyone tell me what this filter is?
I am talking about the low-quality, fuzzy look of the example pictures.
I have been looking everywhere for it, but I do not know the name of it!
Also, does ...
- 19
3
votes
3
answers
10k
views
How do I fit a 16:9 or other non-square photo into a 1:1 image without cropping on iOS?
I want to fit a picture bigger than 1:1 into square format, but don't want to crop it. How can I do this on iOS?
- 51
0
votes
2
answers
5k
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How to copy EXIF metadata on Android from one photo to another?
I'm looking for a way to copy some (say date, location, camera) or all EXIF metadata from one image to another image on Android, so I can restore metadata deleted by some photo editing apps.
I ...
- 726
5
votes
1
answer
4k
views
Can one use the iPhone X's (and newer models) infrared camera for photographic purposes?
Apple's smartphone iPhone X has an infrared camera embedded inside the top of the device:
Can this infrared camera be used for photographic purposes, or it is just used for FaceID?
(I am also curious ...
- 1,491
2
votes
1
answer
6k
views
How accurate are the GPS coordinates in an exif from an Iphone photo and does the exif tag also provide the bearing? [closed]
I am curious about the accuracy of gps data from a regular iphone 7. I am conducting field research and looking for an accuracy of about 10 meters. If that is not possible with the regular photos ...
- 23
3
votes
1
answer
3k
views
App for aligning with old picture while taking new picture (Samsung Galaxy S7)
I am looking for an app that lets me see an overlay of an old picture while taking a new picture. The old picture should however not be visible in the new picture when it is saved. This should also ...
- 31
7
votes
5
answers
547
views
Are there any apps for "eye training" (e.g., visual perception of white balance/color temp)?
I know there are several apps in the music world (such as functional ear training) that 'train' you to recognize certain intervals within keys by playing notes and then having you pick what the ...
- 977
-5
votes
1
answer
2k
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What filter was used on this photo? [closed]
Coul you please help me find out the name of this filter?
- 1
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