MATLAB Answers

Where can I upload images and files for use on MATLAB Answers?

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Walter Roberson
Walter Roberson on 21 May 2011
Commented: Walter Roberson on 23 Oct 2015
Where can I upload images and files for use on MATLAB Answers?
When you do upload, please use .zip files instead of .rar or .bzip or .7zip, as some systems cannot handle the other formats.
None of the following are officially supported by Mathworks, but they are some of the sites that people have found convenient to use.
One site per Answer, please, so people can comment about individual sites.

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Sean de Wolski
Sean de Wolski on 23 May 2011
or disappears because The Evil Facebook buys it... drop.io we miss you!
Jim
Jim on 15 Jun 2011
use blogger.com and give the link with your question
Jan
Jan on 28 Apr 2012
We have 32'000 questions in this forum. A lot of them contain pictures, which are hosted on a bunch of servers and internet services. Non of them is officially supported by MathWorks. Whenever such a picture is deleted, the corresponding question and all its answers becomes meaningless. Therefore hosting the pictures on a MathWorks server is very important. In addition I really hate to be forwarded to ugly pages, which force me to enable JavaScript and overwhelm me with commercials.
The current strategy is equivalent to this policy:
After about a year a few important sentences are deleted from about 5% of the messages.
But this is obviously counterproductive in a forum, which was announced as a stable database for solutions. Therefore I boycott this thread: I do not vote for any of the mentioned services, because they are all insufficient workarounds for a problem, TMW could solve in minutes.

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Accepted Answer

Jan
Jan on 21 Sep 2013
The problem has been solved ultimately by TMW: You can store the pictures directly on the forum's servers now.

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Jan
Jan on 22 Sep 2013
The US government applied a lot of pressure to Europe, to allow the import of genetically manipulated products. I'm convinced, that the NSA did not hack only our smart phones and records our emails, but they control the chicken also - even in space.

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More Answers (18)

Walter Roberson
Walter Roberson on 21 May 2011
imageshack - http://www.imageshack.us - allows images
Supports image previews
Supports resizing image to a particular size at time of upload.
No registration necessary to upload images.

Jan
Jan on 23 May 2011
My favourite: http://www.mathworks.com/matlabcentral/fileexchange ! I've used a link to a screenshot of one of my FEX submissions.
Every upload service in the internet must produce profit. Otherwise it will be closed very soon. Forwarding the traffic from this forum to any foreign service must support an obscure money making practice. Therefore I strongly suggest: Ask files@mathworks to disable Google-Analytics and to allow storing pictures on a Matlab server.

  1 Comment

Walter Roberson
Walter Roberson on 23 May 2011
Some upload services support free uploads only of smaller files or limited quantities, and derive their funding by convincing people to move to their "premium" paid service. I have no general problem with that kind of business model (though I personally do not care for services that make you jump through hoops and "nag-ware" you constantly into upgrading.) My email provider is an example of a system that provides limited free service that I found useful and non-intrusive enough that I willingly converted to their premium service.

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Gurudatha Pai
Gurudatha Pai on 14 Jun 2011
I would put the files on my personal website or dropbox public folder and share a link ( http://www.dropbox.com). In both case, I would have total control over the content and both would not require registration and will stay there as long as I wish them to be there.

  3 Comments

Walter Roberson
Walter Roberson on 14 Jun 2011
dropbox appears to require registration for free use.
dropbox does not allow web uploading; it requires that a program be downloaded to your computer to manage the access.
The dropbox terms say,
===
While you own the content contained in Your Files, files placed in your public folders are automatically available to other Dropbox users and to the general public. By placing Your Files in your public folder, you hereby grant all other Dropbox users and the public a non-exclusive, non-commercial, worldwide, royalty-free, sublicensable, perpetual and irrevocable right and license to use and exploit Your Files in your public folder. In other words, a file in your public folder can be used by anyone, for any purpose except commercial use. If you do not want other people to be able to use Your Files in this manner, then simply do not place Your Files in your public folder.
===
James
James on 23 Aug 2011
Dropbox are a widely-trusted service for filesharing. The publically viewable folders are, when setup, very easy to use (with files of any size - a major constraint on many imageuploaders), as you simply drop the file into the appropriate folder on your computer and give the url to whoever needs it.
It's legal-speak, but basically Dropbox are covering their backs, so that if you put/broadcast something online using their service and someone else takes it (as they can easily do) nothing comes back to bite Dropbox. They claim are for non-commercial use, as any business that misuses your content for commercial use is an actual target that can be sued, unlike anonomous individuals on the web.
But, if it needs protected, why would you put it on the internet publically anyway?
Paul T John
Paul T John on 27 Aug 2011
Every file (say, a .zip file) in the public folder of Dropbox has a public link. It can be copied and pasted anywhere. When another person (need not be a Dropbox user) clicks the link, the .zip file is downloaded into the person's computer. The link is valid till the person who uploaded it decides them to stay there. He/she can even update the folder and the link would still be valid, provided the file-name is not changed.

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Walter Roberson
Walter Roberson on 21 Jun 2011
imgr - http://imgur.com - images only
Images over 1 Mb will be compressed to 1 Mb.
No registration required to upload images.
Retention is 6 months after last download.
Image URL is private unless it becomes a popular tweet.
Keep track of the deletion links for what you have posted anonymously!

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Oleg Komarov
Oleg Komarov on 21 May 2011
tinypic - http://tinypic.com/ - allows images
Supports resizing image to a particular size at time of upload.
No registration necessary to upload images.

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Walter Roberson
Walter Roberson on 6 Jun 2011
By displaying or publishing ("posting") any Content on or through the TinyPic Services, you hereby grant to TinyPic and other users a non-exclusive, fully paid and royalty-free, worldwide, limited license to use, modify, delete from, add to, publicly perform, publicly display, reproduce and translate such Content, including without limitation distributing part or all of the Site in any media formats through any media channels. Content will be publicly available, and TinyPic and other Users may copy or display Content outside of the TinyPic Services through the quick link feature or through any other display mechanisms.
Image Analyst
Image Analyst on 6 Jun 2011
Isn't it this way on all "free" hosting sites, and even many pay sites? Which free site doesn't assume these rights for themselves?
Walter Roberson
Walter Roberson on 7 Jun 2011
I have only glanced at some of the Terms, but at least one of the sites I posted said specifically they don't look at the contents or make it available to anyone else.

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Walter Roberson
Walter Roberson on 21 May 2011
Photobucket - http://photobucket.com - Allows images
Registration required to upload images.

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Walter Roberson
Walter Roberson on 21 May 2011
speedyshare - http://speedyshare.com - allows files and images
[Not known whether it supports image preview]
No registration necessary to upload files
Premium (paid) accounts use tracking cookies for every file :(
Can I make money simply by sharing my files? you may ask. The answer is Yes! Every file you upload within your Premium Account will leave a hidden tracking code (cookie) on every computer where the file is downloaded. If anyone subscribes for SpeedyShare Premium using the computer where your files were downloaded, we pay you as well! The tracking code is valid for 365 days, so you can make money even a year after your file has been downloaded.

Sean de Wolski
Sean de Wolski on 23 May 2011
Upload house
  • Makes it very easy to give a link directly to an image and to embed an image in an Answers post.
  • No registration necessary.
  • Allows for resizing on load
  • Allows for password protection
This website does occasionally have highly inappropriate advertisements, but those are invisible to others as long as you embed the image in a post here.

  3 Comments

Image Analyst
Image Analyst on 3 Jun 2011
I don't recommend this as they allow adult themed images and our corporate filter won't let that site come through. Unfortunate because it does have some benefits that the others don't.
Sean de Wolski
Sean de Wolski on 7 Jun 2011
IA, does that mean you can't see images in Answers that are just pulling an image from UploadHouse? Such as my second post in this thread:
http://www.mathworks.com/matlabcentral/answers/7394-find-pixel-coordinates-value-of-a-centroid
?
Walter Roberson
Walter Roberson on 7 Jun 2011
If it works like my workplace, the attempt to retrieve the remote file would simply come back as file not found, possibly after a time delay.

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Walter Roberson
Walter Roberson on 24 May 2011
easyshare - http://www.easy-share.com - allows files and images
[Not known whether it supports image previews]
People downloading for free are prompted to sign up for each file they wish to download (i.e., not friendly to volunteers)
Free downloads are limited to 200 MB per hour.
Files uploaded for free are automatically deleted if unused for 90 days.

  1 Comment

Walter Roberson
Walter Roberson on 26 May 2011
Free downloads may have a 30+ second delay imposed on them.

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Walter Roberson
Walter Roberson on 25 May 2011
dropdo - http://dropdo.com - allows files and images
Supports image previews
File size limit is 25 MB
No registration required
Files are saved indefinitely.
Firefox add-on is available to upload: https://addons.mozilla.org/en-US/firefox/addon/dropdo/

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Walter Roberson
Walter Roberson on 26 May 2011
rapidshare - https://rapidshare.com/ - allows files and images
Does not support image preview.
No registration necessary to upload images.
Files uploaded for free may be automatically deleted if unused for 30 days.
People downloading for free are prompted to sign up for each file they wish to download (i.e., not friendly to volunteers)
Free downloads may have a ~5 minute delay imposed on them.

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Walter Roberson
Walter Roberson on 26 May 2011
jumbofiles - http://jumbofiles.com - allows files and images
[Not known whether it supports image preview.]
No registration necessary to upload.
Limit for uploads without registration is 1 GB per file.
People downloading for free are prompted to sign up for each file they wish to download (i.e., not friendly to volunteers)
No download delay.

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Walter Roberson
Walter Roberson on 21 May 2011
sendspace - http://www.sendspace.com/ - allows files and images
[Not known whether it supports image previews]

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Walter Roberson
Walter Roberson on 21 May 2011
flickr - http://www.flickr.com/ - allows images
Supports image previews. Supports multiple image sizes for the same image.

  1 Comment

Sean de Wolski
Sean de Wolski on 23 May 2011
Can sometimes be difficult (impossible) to save the image.

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Arnaud Miege
Arnaud Miege on 23 May 2011
I use my own Picasa Web Album. It takes a bit of work to link just the picture as opposed to the web page it's located on, but as it's my own album, I'm in relative control of the content - unless that is, Google suddenly decides to remove the contents.

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Walter Roberson
Walter Roberson on 23 May 2011
Personally I don't like the indexing and content correlation that Picasa (and Google Mail) do.

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Walter Roberson
Walter Roberson on 28 Apr 2012
Imposes its own viewer on PDF files.

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Walter Roberson
Walter Roberson on 22 May 2012
Does not support image preview.
No registration necessary to upload.
People downloading for free are prompted to sign up for each file they wish to download
Free downloads may have a ~45 second delay imposed on them.
Free downloads have a "capatia" (type the letters shown in the image) imposed on them.
Considering the pay-nags, the imposed delays, and the hassle of the capatia, this is not a service that is friendly to volunteers, who are likely not to bother looking at the images.

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Image Analyst
Image Analyst on 7 Jan 2013
Here is a very easy one for uploading images: snaggy: http://snag.gy/ You can copy a screen shot (using alt-printscreen), or copy a file from Windows Explorer (or whatever, using control-C), then goto snaggy and simply type control-v.
Advantages: easy to upload files via pasting, no registration required for anyone who uploads or downloads, one URL (versus having to choose from multiple different types on some other web sites), downloader can see image immediately with no additional clicks.
Disadvantages: it converts the image to jpeg so you may get jpeg artifacts.

  3 Comments

Image Analyst
Image Analyst on 28 Jan 2013
Or Internet Explorer (which I just tested). I have not tested others (Safari, Opera, etc.).
Sean de Wolski
Sean de Wolski on 28 Jan 2013
For me, on IE8, it wanted to run a Java Applet, which with the recent security issues....

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