Questions tagged [image-manipulation]
The image-manipulation tag has no summary.
40 questions
0 votes
1 answer
104 views
Detecting whether a background image is "too light" to display white text over
I am building a mobile client app that gathers info about movies/TV shows from a website and displays it in a pretty format. When the user clicks on a show, they are taken to a page with the thumbnail ...
- 358
2 votes
3 answers
315 views
What is use of “DPI” of a “image file” while viewing it on a display?
Display devices have their own PPI.Do these devices respect the DPI information of image file? If not, then what is use of"DPI" of image file? example: Image file- height: 1200 px width: 900 ...
- 457
-3 votes
1 answer
107 views
Low resolution Image to High resolution
Is it possible to scale a low resolution image to a highier resolution upto the point with minimum effect on quality, sharpness and other notable attributes of an image.
- 121
4 votes
3 answers
438 views
How to process large image with a minimum time lag
I am trying to create a web UI for image processing, with some operations similar to what a site like fotor.com offers. However, I have problems to achieve a similar performance. For example, lets say ...
- 151
4 votes
1 answer
280 views
Is loading the same .jpg in different qualities a waste of data?
I'm building a web site and I want to use a big background image. Because of speed considerations, I thought that it would make sense to send a low-res version of the image the user first (for fast ...
- 151
5 votes
2 answers
497 views
How are dynamic images programmed?
I have two friends that want to create a jewelry store, focused on customized jewels. The core feature is the jewelry designer, based on a jewel model. Here's an example of the sort of thing I am ...
- 189
0 votes
1 answer
148 views
Counting lines of text and get color of a specific line in an image
check this picture out before I explain further: How can I count the amount of lines there are from the yellow line to line #5? OCR sounds like overkill, because I don't really care what the text ...
3 votes
0 answers
72 views
Project a piece of image cut by N-vertex shape to a different N-vertex shape
I have an N-vertex shape that I cut out from an image, and I want to project it onto another shape with the same amount of vertices, but different. So, the image will get changed inside the projection....
- 303
2 votes
1 answer
3k views
Most efficient way of saving images and sending them to client browser
I'm building an app where users list items for sale and they can include up to five photos for each item. I'm using Azure Blob storage for storing the images. In my app, I'll be displaying these ...
- 556
1 vote
1 answer
950 views
Image segmentation - show or hide clusters
I'm trying to make a small program in c#, that will downsample image to specified amount of colors (using K-means). Then, user will be able to hide\show colored areas(clusters) in image. I've ...
- 63
3 votes
2 answers
295 views
Is there a (systematic) way to convert a recursive program to a version using user stack?
I have an image (an array of 1000 x 1000 pixels) of 1s and 0s. I was asked to do edge detection, so I wrote this program in C to traverse the figure. My idea was to convert every pixel surrounded by ...
- 181
1 vote
1 answer
2k views
Mid-Large Asp.net MVC project: Storing images on filesystem or via SQL Server FILESTREAM [duplicate]
We have a ASP.NET MVC project with AngularJS and Entity Framework database-first, a news portal already in production for about a year. The project is mainly focused on providing content for users (...
- 135
2 votes
1 answer
769 views
Is it possible to antialias existing lines, circles, text, etc. of a single color?
I want to manually antialias the output of GDI drawing functions on Windows. Each drawing function is rendered onto its own image and then blitted back (so alpha blending can work, as GDI doesn't do ...
- 223
2 votes
1 answer
92 views
Feasible to keep work to a minimum for distribution purposes?
I'm faced with image manipulation requirements for a mobile app I wish to develop that I could quite easily (or 'easier', at least) implement in C# or javascript, as it's what I'm most familiar with. ...
- 2,351
3 votes
0 answers
57 views
Technique for distorting part of an image to take features from another image?
I have a project of a community website, where people can alter/manipulate photos that they upload, in a particular way. For example, a person could select various contours and control points on ...
- 31