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Android app or camera app that does mean image stacking to simulate a long exposure shot?

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babybunny

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babybunny said:
I know that Huawei's camera app has a "silky water" mode that can simulate shooting at slower shutter speeds with an ND filter to blur out flowing water.

Unfortunately, my Samsung doesn't have this effect.

Are there 3rd party camera apps that have this effect or are there apps that can do this mean image stacking in post?

https://www.pointsinfocus.com/learning/digital-darkroom/mimicking-neutral-density-with-stacking/
Click to expand...
Years ago I give a try to SP Stacking Photo...a very rudimental app but really powerful.

You can shot 5-10 or more high iso noisy shots with a smartphone and than use SP to average them on a pixel basis obtaining a perfectly clean shot like as it was made with a full frame camera!

SP does merge several pics but don't align them, thus you must shot the sequence using a tripod

Here the link to download SP:

https://m.apkpure.com/it/stacking-photo/com.forxin.stackingphoto
 
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I don't know any app that can do this...

I also want image stacking or automated burst of RAW, but I'm forced to do this myself.

Here two examples of manual stacking of raw captures from Galaxy S9.



11a2931346083256.jpg




2600701346083254.jpg
 
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Never tried for this effect, but on current version 8.10.1 the HDR mode on Snap Camera HDR is very granular for settings, including number of shots 1 - 15 and Time Between Shots from 0 to 1400ms - so max would combine 15 shots over 21 seconds. A great app on an aging ZTE, but not stable on my current Moto. Purchase is required to get the much improved current version.
 
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If you had a Pixel (or maybe GCAM), you could put the phone on a tripod, and hold an ND filter in front of the lens and use Night Mode to get a slow exposure (enabled by Night Mode).
 
I know Adobe Lightroom Mobile had a feature like this, but not sure if it for Iphone and Android versions.

I have heard of a number of good Iphone apps that did this but mostly inspired because at the time there was no possible way have actual long exposure on Iphones until recently. .

I used to use an App called ProShot that had it I believe had it and a few other obscure apps but they didn't do alignment like Gcam etc.

Try searching "light painting, or simulated long exposure

https://play.google.com/store/apps/details?id=com.longexposure2&hl=en_US&showAllReviews=true
 
Hi

The SP Stacking Photo crashes on android 10 at startup.

Is there any other free app or app with fixed price that you can buy out?
 
Sugasmune said:
Hi

The SP Stacking Photo crashes on android 10 at startup.

Is there any other free app or app with fixed price that you can buy out?
Click to expand...
Hi,

My app photo mate R3 (paid) can stack images based on median or average. It will however only give you good results if you took them with a tripod

Regards

Torsten
 
Thank you, i bought it, can't wait to test it out.

I tested the app "motion stacks". It can only export jpeg (not the lossless version of jpeg).

Not so sharp, but it looks out of focus + strongest noise remove filter.

HedgeCam 2, triple exposure HDR in 5x burst mode on tripod with 10 second timer.



632a07e30c4441198df8209ef7234187.jpg
 
I like the Photo Mate R3 app a lot for stacking.

Here are 16MP Nokia 6.1 night samples.

Iso 100 and 1/2 sec. Meter would read 1/2 even with iso 400, but Nokia 6.1 can't expose longer.



afde7df558f9445bbcf9a4e3b99a75e7.jpg.png



030f3d71698b46bebc04a4277bdee521.jpg.png
 
Great that you like it :-)

In case you're stacking dng: as long as you directly edit the image afterwards you'll stay in 16 bit precision, so you should brighten/expose your image before storing as jpg/png afterwards.

Also the average mode is somewhat more stable if you stacking multiple images because median requires more memory and may lead to app crashing depending on the device.

Regards

Torsten
 
Good to know. The 10x 16Mp photos at a time, is maximum i have tested. Both modes have worked so far with my 3Gb ram.

To capture 10 HDR's undenoized (which are bigger than denoized), i had to set in HedgeCam 2:
  • Image reader capacity 16x.
  • Maximum image reader capacity 200Mb.
  • Hold uncompressed images outside of java heap.
BTW, the image reader capacity 16x will crash HedgeCam 2 in noise reduction photo mode. I use 4x capacity with 5 photo burst when eatch photo takes 5 photos in noise reduction mode.

HedgeCam 2's HDR ACES tonemapping looks better than Photo Mate 3's and my device has all burst modes without true RAW. I can blend dng's without HDR.
 
Pixel 6 Pro has a very promising long exposure mode...

cee598a05dee4d5cb5e6734b6d4d7bb5.jpg



I was considering triggering Astrophotography mode with a heavy, high quality ND filter and tripod, but this is handheld and so much more convenient.

--
Keep up with me here : http://twitter.com/alert_bri
 
Thank you. I have been using photo mate R3, to stack images, but it can not align dark frames. I will test this out
 
Sugasmune said:
Hi

The SP Stacking Photo crashes on android 10 at startup.

Is there any other free app or app with fixed price that you can buy out?
Click to expand...
Yes, there is, here's the link:

play.google.com

Long Exposure - Motion ProCam - App su Google Play

Fotocamera a lunga esposizione con fotografia computazionale
play.google.com play.google.com

The name of this app is Motion Procam. It let you shoot handheld long exposures till 5 seconds of duration or even longer with tripod.

I have also this fever of shooting long exposures handheld with smartphones...

On the Huawei P40 PRO the app above works nice but does not reach the level of quality in microalignment of the Silky water mode of the Huawei camera app...even at 20-30 seconds it give impressive results.

But in the Huawei app you have less control of the process...no over or underexposure, only the total time of the series of frame acquire with preview in real time.
 
If you had a Pixel (or maybe GCAM), you could put the phone on a tripod, and hold an ND filter in front of the lens and use Night Mode to get a slow exposure (enabled by Night Mode).
 
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