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6
votes
2answers
4k views

What is a Ruby on Rails way to save images?

I develop on iOS, and I'm switching from a PHP backend to Ruby on Rails. The interchange format is JSON. A quick Google search for 'save images in Rails' has nearly every result talking about saving ...
4
votes
3answers
219 views

What kind of image should be used in a web page? [closed]

I have a site that will have lots of images of large size. What is the best format that I should choose for displaying these images? I need the website to load fast. I am jumbled with different ...
4
votes
1answer
106 views

When deploying code to a production server, how are non-source code assets such as images and PDFs managed?

Currently, I am trying to set up deployment procedures and GIT for a group of websites. Code and assets are between 15 and 20GB. The code and related text files are probably closer to 150MB. When ...
4
votes
1answer
181 views

How to maintain standard quality of images uploaded by many users?

We're developing a site where individuals (store owners) will be able to take pictures and upload to the site. Our biggest concern is the variance in quality of pictures across the site. The options ...
3
votes
2answers
139 views

Can >8bit per channel colours be seen as intended in the browser?

For, say, a subtle background gradient to a web page, what are the advantages and disadvantages of saving it as a 16bit/channel png? Are the colours represented by >8bits displayed in the intended ...
3
votes
3answers
6k views

How best to store images on a file system

Developing an application in which users have to upload images. I have not really got much experience with file uploads in an application so I am wondering what the best way is for storing images ...
3
votes
2answers
210 views

How exactly does a program (executable image) and library (pre-compiled image) “link” together?

I know very well of the difference of static versus dynamic linking. What I want to know is, when linking statically (with a library like Winmm.lib on Windows), how does the linker "link" the ...
3
votes
1answer
75 views

data maintenance/migrations in image based sytems

Web applications usually have a database. The code and the database work hand in hand together. Therefore Frameworks like Ruby on Rails and Django create migration files Sure there are also servers ...
2
votes
1answer
282 views

How to Detect Sprites in a SpriteSheet?

I'm currently writing a Sprite Sheet Unpacker such as Alferds Spritesheet Unpacker. Now, before this is sent to gamedev, this isn't necessarily about games. I would like to know how to detect a sprite ...
2
votes
1answer
209 views

What branch of computing involves object recognition in images?

Several applications of this is text recognition (OCR), face recognition (biometrics), camera guided missiles (targetting systems). Each involves analyzing images and making out some object of ...
1
vote
2answers
140 views

How does Yahoo's Smush.It work and why doesn't everyone use it?

I've recently come across an application by Yahoo called SmushIt. Apparently it does lossless compression on images. Sometimes the image size is reduced by as much as 90%. This of course has major ...
1
vote
2answers
448 views

All images in one folder for a website?

When creating websites, is it better to have a lot of images in one folder, or have them separated? It's something that has always been in my mind but I never researched enough about it, and googling ...
1
vote
1answer
180 views

Need help understanding “An Image Signature for any Kind of Image”

I'm trying to implement the paper titled An Image Signature for any Kind of Image, but I'm having trouble understanding what they mean in this paragraph: For each column of the image, we compute ...
1
vote
1answer
48 views

Creating a separate table for images or adding “image fields” to many tables?

I need to create a database in which several tables have images. For example, users have profile pictures and uploaded ones and products have many pictures, as well. Is it better to have one MySql ...
1
vote
3answers
489 views

Saving multiple copies of a single image at different sizes

I'm building a file storage programme that will also display images in photo galleries to users who upload them. I was wondering if anybody could help me out. My plan was if an image was wider than ...
1
vote
2answers
84 views

Zooming options terminology

I've come up with 4 different ways to fit an image inside a viewing region, but I'm trouble coming up with names for them. Perhaps someone can suggest some? Fit image in viewing region, do not ...
1
vote
1answer
129 views

What are the most appropriate algorithms for downscaling images extremely while maintaining recognition?

I want to create a window icon (128x128 at most, the icon in the corner of the window on Windows is 24x24, I believe) from a large image (1024x768 and more). I've tried several algorithms - nearest ...
0
votes
3answers
105 views

Advice on which storage technology for an Image repository [duplicate]

At this point, I'm not much of a programmer, solid html/css, familiar with JS but not a programmer by any means. I'm looking to pick up whatever is necessary for an upcoming project. I need to build ...
0
votes
3answers
122 views

Icons for my program

I'm developing a simple text editor, just to practice a little bit. I'm developing it under Linux but since I am using Qt as GUI Framework I can easily compile this on a Windows or Mac with the same ...
0
votes
1answer
117 views

Provide web images with high resolution and let the browser scale it. A bad idea?

Back in the old days when I learned to create web pages, the rule of thumb was: Don't resize your images with HTML/CSS, provide the image in its "native" resolution. Otherwise, it will be upscaled or ...
0
votes
1answer
140 views

More efficient management of assets(image, documents) in a large web project

I am beginning to refactor a large, very old, messy project. One of the biggest issues is the lack of a central location on the filesystem for simple things like images, icons, documents, csv, etc. ...
0
votes
1answer
112 views

Is creating a separate pool for each individual png image in the same class appropriate?

I'm still possibly a little green about object-pooling, and I want to make sure something like this is a sound design pattern before really embarking upon it. Take the following code (which uses the ...
0
votes
0answers
326 views

Benefit of using Data URI to embed images within HTML document and its cross-browser compatibility

I want to embed an image using Data URI within HTML document so that we don't need image as a separate attachment, we get just one HTML file that contains the actual image. What are its advantages and ...