We're looking for a package to help identify and automatically rotate faxed TIFF images based on a watermark or logo. We use libtiff for rotation currently, but don't know of any other libraries or packages I can use for detecting this logo and determining how to rotate the images. I have done some basic work with OpenCV but I'm not...
Can anyone advise on how to crop an image, let's say jpeg, without using any .NET framework constructs, just raw bytes? Since this is the only* way in Silverlight... Or point to a library? I'm not concerned with rendering i'm wanting to manipulate a jpg before uploading. *There are no GDI+(System.Drawing) or WPF(System.Windows.Media....
Is there any way to convert a bmp image to jpg/png without losing the quality in C#? Using Image class we can convert bmp to jpg but the quality of output image is very poor. Can we gain the quality level as good as an image converted to jpg using photoshop with highest quality? ...
I'm looking for a .Net library that will accept an image or filename and an aspect ratio, and crop the image to that aspect ratio. That's the easy part: I could do it myself. But I also want it to show a little intelligence in choosing exactly what content gets cropped, even if it's just picking which edge to slice. This is for a pers...
Ok, narrow question of the day. I'm using GflAx (from xnview) to create some graphic tiles. I would like to put some gradients in as well though. Is there a way I can do this within this product? Thanks. Edit:There is also an SDK which is part of this product but I can't find that info there. ...
What is the nest PHP thumbnailer/resizer class that preferably works on most shared hosts? Clarification: I'm looking for a PHP class/wrapper (eg. phpThumb(), Asido), so I don't have to run GD or ImageMagick functions directly. I'm specifically looking for resizing and framing functions. ...
Hi! I would like to find a way to take JPEG (or GIF/PNG) images and reduce the amount of colors to e.g. 20. Could someone recommend some library or other reference? Also source codes in other languages are welcome. ...
I've recently come across a problem which requires at least a basic degree of image processing, can I do this in Python, and if so, with what? ...
I am currently re-developing an e-commerce back end system and I was wondering if anyone here had come accross a free ajax script/plug-in/flash file which could allow our users to upload an image and offer some basic editing tools, i.e. crop, rotate, resize? We currently have a PHP based image resizing tool using the GD library that sim...
I am a little curious about the cute little kaleidoscopic images associated with each user on this site. How are those generated? Possibilities are: A list of images is already there in some folder and it is chosen randomly. The image is generated whenever a user registers. In any case, I am more interested in what kind of algorithm...
For an image hosting web application: For my stored images, is it feasible to create thumbnails on the fly using PHP (or whatever), or should I save 1 or more different sized thumbnails to disk and just load those? Please explain your reasoning. Any help is appreciated, thanks. ...
Is there a cheap way to get the dimensions of an image (jpg, png, ...)? Preferably, I would like to achieve this using only the standard class library (because of hosting restrictions). I know that it should be relatively easy to read the image header and parse it myself, but it seems that something like this should be already there. Als...
Does anyone know of any good image resizing libraries that will handling resizing large images(~7573 x ~9485). Something that is fast and doesn't chew to much memory would be great. At the moment I am using IrfanView and just shell invoking it with arguments but I would like to find something that integrates into .net a bit more. Than...
I'm having a wee bit of a problem scaling my images to a proper predefined size. I was wondering -since it is purely mathematics-, if there's some sort of common logical algorithm that works in every language (php, actionscript, javascript etc.) to scale images proportionally. I'm using this at the moment: var maxHeight = 300; var m...
I need to randomly fade my background images in and out. It will be a timed function, like once every 5 seconds. I need to do it with ASP.NET, Javascript, CSS or all three. Please help me out here guys. Thank you. ...
I'm looking for a free, preferably open source, http image processing server. I.e. I would send it a request like this: http://myimageserver/rotate?url=http%3A%2F%2Fstackoverflow.com%2FContent%2FImg%2Fstackoverflow-logo-250.png&angle=90 and it would return that image rotated. Features wanted: Server-side caching Several operatio...
Is there any simple way to programatically colorize images in .NET? Basically we have a black and white image and need to put a layer of say pink above it and reduce the opacity of that layer to make the picture colorized in pink. ...
I have just started using silverlight 2 beta and cannot find how to or if it is possible to render a canvas to an bitmap image and then upload it to my web server? Is this possible and if so how would I complete this task? Update: This is now possible under silverlight 3 using a writable bitmap to save the XAML as a JPEG see the blog...
I am wondering if there is a way to combine multiple images into a single image using only JavaScript. Is this something that Canvas will be able to do. The effect can be done with positing, but can you combine them into a single image for download? Update Oct 1, 2008: Thanks for the advice, I was helping someone work on a js/css onl...
I would love find out which is the best image manipulation library for which platforms and languages. Likely you could use a library under multiple platforms with the right API or Plugin capabilities. I'm specifically looking for web based applications, but please answer for desktop apps as well if you like. Libraries (and the common di...