image-manipulation

How to recognize this simple capcha using MATLAB?

Is there a simple solution in MATLAB? ...

How would I detect horizontal-black lines using ImageMagick?

So I have what is essentially a spreadsheet in TIFF format. There is some uniformity to it...for example, all the column widths are the same. I want to de-limit this sheet by those known-column widths and basically create lots of little graphic files, one for each cell, and run OCR on them and store it into a database. The problem is tha...

manipulating image

folks, i need to retrieve colors of an image.. how to retrieve it? ...

How to use ImageMagick to batch desaturate images?

I have an image that is black text with some gray and pale yellowish background. I basically want to keep the text as black as possible, and make the gray and yellow comparatively lighter...at the very least, turn yellow into a light gray. What's the most efficient way to do that in ImageMagick? ...

C# Image HttpHandler: Disable cookies in handler (YSlow / Google PageSpeed)

Hi. I have a HttpHandler for resizing images, round corners, reflection etc etc. This i working OK. The problem i have is, that some data is stored in cookies, and the cookies are send to images, when they are shown. Is there any way to disable this globally (cookie-free requests) in web.config, or even in the HttpHandler itself? Examp...

image filters for iphone sdk development

Hi All, I am planning to develop an iphone app which makes use of image filters like blurring, sharpening,etc. I noticed that there are few approaches for this one, Use openGL ES. I even found an example code on apple iphone dev site. How easy is openGL for somebody who has never used it? Can the image filters be implemented using the...

Image manipulation with JQuery and PHP

I want to do some kind of image editor, after I upload more images I make a list with all the thumbnails! After, I want to be able to click on one thumb and rotate, duplicate, drag and drop (to change positions of the images), and delete the image. I want all the images to be in a php array. If an image is deleted I want to delete the ...

Image Conversion from Bitmap to Icon doesn't seem to work

I have a simple function that takes a bitmap, and converts the bitmap to an ICON format. Below is the function. (I placed literal values in place of the variables) Bitmap tempBmp = new Bitmap(@"C:\temp\mypicture.jpeg"); Bitmap bmp = new Bitmap(tempBmp, 16, 16); bmp.Save("@C:\temp\mypicture2.ico", ImageFormat.Icon) It doe...

Is their an optimal config/format for a TIFF when using Tesseract or other OCR?

I'm having a bizarre problem with Tesseract. I have a name, "Janice" that is in a 200x40 pixel tiff, that Tesseract interprets as a blank. I'm running hundreds of names through Tesseract and they are processed fine. What I'm actually doing, though, is breaking up a larger TIFF into smaller tiffs of one word each. In the larger TIFF, te...

How can I tell Wordpress to reset all posted image sizes to the largest set width?

I've set the width of large files in Wordpress' Media settings: http://cl.ly/7wX but how can I tell Wordpress to apply the setting to all the images I've already inserted in posts? It's limiting them to a previous setting of 500px wide. Thanks! ...

repeat image c#

Hi folks., i have an image with certain pattern.. i need to repeat it in another image using GDi? is there any method to do in GDI? ...

How to write the VIN Scanner tool

Hi, I have a requirement where I have to scan the VIN barcode. Can anyone guide me how to proceed. Its an iPhone Requirement. ...

BlackBerry - Cropping image

Hi all i want to crop a part of Image ,for that i am using following code: int x=20; int y=50; int [] rgbdata=new int[(0+width-x+height-y)* (image.getWidth())]; image.getARGB(rgbdata, 0, image.getWidth(), x, y, width, height); cropedImage=new Bitmap(image.getWidth(),image.getWidth()); cropedImage.setARGB(rgbdat...

Merge an image over another in the specified position and save it as a new image?

save an image that is generated by merging an image over another image? i have an image first and i want to insert some text over this image in a specified position given....that i got coorectly..bt the new task is to place this last generated image over another image template in the location given and save it as a new jpg image in my w...

Javascript Image Transform? [scale and rotate]

I'm looking to build an image transform tool with Javascript. Something that utilizes handles around the image similar to Photoshop and allows the user to scale and rotate. I'm looking to make this work in IE 6 and up and Firefox 3+ and Safari 3+. Does anyone know of a library or tool that could help with this? I've seen a lot of t...

How to add dimensions to dynamic img elements (Updated)

I use a Json call to get a list of image addresses, then I add them individually to a div like this. Unfortunately the image dimension is not part of the Json information. <div id="container"> <img src="A.jpg" alt="" /> <img src="B.jpg" alt="" /> ... </div> Do any of you JQuery geniuses know of a code that would flawlessly an...

Tool to generate rotated versions of an image

In sprite-based systems, it's common to fake rotation of a sprite by having many different images, each showing it rotated an extra few degrees. Is there any free tool which will take a single image, and output a single image containing several rotations? It should also ideally let us control how many images are in each row. e.g if I ...

User avatar cropping/resizing with paperclip and jquery in rails

Hello fellow stackoverflow users. I am building my first Ruby on Rails app which is going to be my own little community. I have made the User model with several fields and information. But now i am thinking of adding avatar support for the users. And i've been researching and found that my best option would be using Paperclip. But then ...

Standardize color within an image

I have a .net application where I need to browse for an image, I would like to standardize the colors in the image to just 6 colors? Is there a library or process to perform this kind of image manipulation? Any help would be appreciated... Thanks, Mike ...

Is it possible to 'snag' a web page image in PHP?

What I mean is to get the rendered HTML and make a Jpeg/GIF out of it. The idea is to make a digital snapshot of a page. ...