I am trying to blur an image using CoreImage on iOS 6 without having a noticeable black border. Apple documentation states that using a CIAffineClamp filter can achieve this but I'm not able to get...

I'm like to get both a real-time and post-processed HDR effect with AVFoundation and/or CoreImage. I'm assuming this is relatively easy with CoreImage once a full-frame still image is captured, but...

I've been looking around for a while for an answer to this, but haven't found anything. I'm trying to use the CIAffineTransform thats apart of iOS 5 Beta, and have come across an issue. The documen...

Now that Apple has ported the Core Image framework over to iOS 5.0, I'm wondering: is Core Image is fast enough to apply live filters and effects to camera video? Also, what would be a good starti...

I'm developing a cocoa application. I'm using CIFilter, and CIImage for applying core concepts in NSImage. So I need to import CoreImage.framework. But I'm not getting the framework in my develope...

Can anyone recommend a really fast API, ideally NEON-optimized for doing YUV to RGB conversion at runtime on the iPhone using the CPU? The accelerate framework's vImage doesn't provide anything sui...

I have a project with several core image filters, each connected to a different slider. Everything works but I just have not figured out the best way to pass the results from one filter to the next...

So I've been using core image to apply filters on images, everything is good except when I try to apply the same filter over and over again the application just quits, I guess its a memory leak. H...

Apple says that CIFilter is available in iOS. However, on my mac I couldn't find an CoreImage framework to link against. filter An optional Core Image filter object that provides the transition...

i need to perform Bump Distortion in ios 5.0... my xcode doesn't show any error and also i am not get any output ... while trace and print the Bump filter instance it prints the null value... any ...

I created 2 NSAnimation objects of flipping the view with another view. I'd like to run 2 these animations simultaneously. I cannot use NSViewAnimation, since it's now about animating any of view p...

CI Filters are now available in iOS 5, and I'm trying to apply one to a CALayer, the way you'd do it on Mac. Here's my code: CALayer *myCircle = [CALayer layer]; myCircle.bounds = CGRectMake(0,0,...

I am using some CoreImage filters to process an image. Applying the filter to my input image results in an output image called filterOutputImage of type CIImage. I now wish to display that image, ...

I initially approached this issue with CoreImage in mind (because I also need to do facial recognition), but realized that, unfortunately, the CI Distortion filters are not yet included on the iPho...

I have tried the UIImage+Resize category that's popular, and with varying interpolation settings. I have tried scaling via CG methods, and CIFilters. However, I can never get an image downsized tha...

I am trying to create a filter for my program (which streams a webcam) which makes the frame flip horizontally, making the webcam act like a mirror. However, while it compiles and runs, the filter...

I understand the principles behind the split tone effect, and would love to use either a color map or tone curves for individual rgb channels. Unfortunately that's not an option for iOS at the mome...

Thanks for reading. I'm trying to use CoreImage in iOS 5 to alter the appearance of an image. The problem is that the existing image appears to lose its orientation information during the process ...

How do you adjust contrast or sharpness using the Core Image framework? Which filters should be used and why? Are there any examples which show how to do this?