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20

Well, for one thing, all photos larger than 16 megapixels are resized to 16 MP — so, for many cameras today, that's an immediate, obvious drop in resolution. But all other photos are compressed too, using an optimizing compression algorithm. I don't think Google comes out and says exactly what they do, but it's probably their open source Guetzli algorithm. ...


15

Using Hugin Yes, since Google PhotoSphere panos are stored as equirectangular projections you can use Hugin to remap to other projections. Go into the View → Advanced (or Expert) mode. Click the Add Images... button to load the stitched panorama. Set the Lens type to Equirectangular and the HFOV to 360. This will load your 360x180 as a 360x180. ...


5

They are basically throwing processing power at the problem, using very compute intensive approaches that tries out various ways to compress the image within the JPG rules. Processing is something google likely has plenty of, especially as it also saves bandwdith. You can do the same - the software and various services are free or cheap. Your program / ...


3

It's picking up the embedded jpeg preview. Edit --> Preferences --> File Handling --> JPEG Preview --> Select 'Full Size' --> OK Then select photos --> right-click --> Metadata --> Update DNG Preview and Metadata. I tried this, and subsequent to it re-uploading (this was a DNG in a Google Drive folder) the dimensions are showing correctly and the quality ...


3

EyeFi cards have a Direct Mode which automatically transfers files from your mobile device to a PC. So the flow would be camera -> phone/tablet -> PC. I'm not sure if you can set a custom location on the PC for where the uploads are placed, but if you can then you can just set that to your Google Drive folder et voila. If not, you can probably run up a ...


2

Google does add some tags to images that it recompresses, including images stored as "High Quality", which may be downsampled to 16MP or less. Images stored at "Original" quality appear to be kept unaltered. At this time, the following tags appear to be added or altered: XMPToolkit = XMP Core 5.5.0 ImageUniqueID The following command may list images that ...


2

The following is equally applicable to phones, tablets and 'Smart Home' or digital cameras with: WiFi, sync and using the Android operating system; throughout I will use the word "phone" only. On your phone photos are stored in the /storage/emulated/0/DCIM/ directory, this information is available by opening a photo, clicking on the menu, and choosing "info"...


2

You absolutely can do this - the Toshiba FlashAir SD card can directly sync to a range of services automatically. From hardware version W-03 onwards the cards have an on-board processor that can run LUA scripts and do not need to connect to anything other than your existing wireless network. Examples on the FlashAir developer site are available with ...


2

I just conducted an experiment and uploaded a DNG via the Google Photos Backup app using the Original setting. I then displayed the online info and it indeed says 1024x683 and 0.7MP but file size is correct. I then downloaded the image and displayed it's properties. It is 4752x3168. My assumption is that Google is misreading the exif data and the image is ...


2

The sync settings for Google Photos let you select two different quality options. "High quality" which reduces resolution and file size, but uses unlimited free storage not counting toward your Google Drive quota. "Original" which retains original resolution and file size, but uses up your Google Drive quota so is not unlimited. Details about what Google ...


1

Image "size" may refer to a couple of different things: Resolution: Most people mean "full resolution" when they say "full size". It is possible to download full-resolution images from Google Photos (as long as they are less than 16mp, you own a Pixel phone, or you pay for storage). (See answer by @aaaaaa.) If you own a Pixel phone, all images uploaded ...


1

When I use Google Photos, I always seem to have option of downloading high-res original or edited image. I guess, you used to save image by right-click on image and press "Save Image As" or something similar, like you save images from websites. But you can download high-res image from menu. Click on three dots in the corner of image ("More Options"): You'...


1

The cloud back up would happen as the following. Only your local photos would be copied to the cloud. Google photos / Apple Photos, Backs up your local images, They make a copy in the cloud, So as long you have the local photo there may be a copy in both, Google and Apple photo. If you delete de image in your phone you may still have it on the cloud, ...


1

I just noticed that the image already is an panorama, but photos.google.com doesn't recognize it. If I upload/open it in www.google.com/maps/views, the image shows a little "Google Sphere" icon. So http://photo-sphere.appspot.com/ works great, only the preview is broken. :)


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