Lunch atop a (Springfield) skyscraper

Lunch atop a (Springfield) skyscraper
by andy-m                

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Dec
11
awarded  Yearling
Oct
25
comment Is it possible to use a lower ISO instead of ND filters?
No matter how low you set the ISO, the absolute lower-level is when you start overflowing the sensor's photosites. At that point, there's no way to reduce the gain any further.
Sep
29
comment Are there cameras that can photograph Wi-Fi/WLAN or mobile phone radiation?
Anyways, I'm kind of inclined to bring up synthetic aperture radar which can resolve features down to ~10 CM, depending on the radar. It works by taking many radar images as the radar physically moves, and combining them all to extract features.
Sep
28
comment Are there cameras that can photograph Wi-Fi/WLAN or mobile phone radiation?
@JDługosz - A single pixel, mechanically scanned camera is still a camera.
Jun
16
revised Is there a free visual similarity image local hard drive search?
added 348 characters in body
Mar
6
awarded  Necromancer
Jan
10
comment Does the Sony A7 run Android, or if not, is there another way to write applications for it?
Whether it's supported is one thing. How long it takes someone to jailbreak+root it is another. I would bet it'll probably be pretty damn fast.
Jan
7
revised Does a photographer take pictures or make pictures?
added 583 characters in body
Dec
21
comment Weird sticky liquid on old tripod (+10 years)
I would assume it's probably silicone grease that simply seeped out of the pan-tilt mechanism over time.
Dec
18
comment Utilities for comparing different JPEG compression engines?
@PhilipKendall - Good point, moved.
Dec
18
revised Utilities for comparing different JPEG compression engines?
added 492 characters in body
Dec
18
revised Utilities for comparing different JPEG compression engines?
deleted 500 characters in body
Dec
17
accepted Utilities for comparing different JPEG compression engines?
Dec
17
answered Utilities for comparing different JPEG compression engines?
Dec
17
comment Utilities for comparing different JPEG compression engines?
Anyways, apparently ImageMagick uses libjpeg, which is also used by PIL, so I've basically already got that covered anyways.
Dec
17
comment Utilities for comparing different JPEG compression engines?
Also, again, I don't need information on the analysis part (I understand that fairly well). I'm /only/ looking for information regarding what varies between different JPEG libraries.
Dec
17
comment Utilities for comparing different JPEG compression engines?
I was interested in exclusively the differences between different JPEG systems. As I said, my end goal is to be able to automate the determination of whether one image is a recompressed version of another. My image corpus is probably 90% JPEG, 10% PNG, and basically nothing else. No one really uses webp images or anything like that.
Dec
17
revised Utilities for comparing different JPEG compression engines?
added 440 characters in body
Dec
15
comment Utilities for comparing different JPEG compression engines?
@MarcinWolny - I asked on StackOverflow and got closed. So not, it apparently does not. Anyways, I know how to do the analysis, that parts easy. It's getting an idea of what's out there that is hard.
Dec
11
comment Utilities for comparing different JPEG compression engines?
I would argue that understanding image compression is a core part of modern photography. If there is a stack exchange better suited to the question, I'm open to moving the question.