Top "Core-image" questions

Core Image is a set of components for near real-time, pixel-accurate image and video processing for cocoa.

Converting CIImage Into NSImage

I'm playing with the Core Image framework. As I understand, if I have an image (NSImage), it needs to be …

objective-c macos cocoa core-image nsimage
CIFilter guassianBlur and boxBlur are shrinking the image - how to avoid the resizing?

I am taking a snapshot of the contents of an NSView, applying a CIFilter, and placing the result back into …

objective-c xcode macos cocoa core-image
iOS Image Manipulation (Distortion)

I initially approached this issue with CoreImage in mind (because I also need to do facial recognition), but realized that, …

objective-c ios image-processing core-image distortion
How do I apply a CIFilter to a UIImage?

My app is crashing when I attempt to apply a filter to my user-selected UIImage (It has been working fine …

ios objective-c uiimage core-image cifilter
Creating UIImage from CIImage

I am using some CoreImage filters to process an image. Applying the filter to my input image results in an …

ios5 uiimage core-image
Applying filter to real time camera preview - Swift

I'm trying to follow the answer given here: https://stackoverflow.com/a/32381052/8422218 to create an app which uses the back …

ios swift camera core-image dispatch-queue
Using CIFilter with AVFoundation (iOS)

I am trying to apply filters to a video composition created with AVFoundation on iOS (filters could be, eg, blur, …

ios video avfoundation core-image
CIImage extent in pixels or points?

I'm working with a CIImage, and while I understand it's not a linear image, it does hold some data. My …

ios swift core-image ciimage
How can I convert an UIImage to grayscale in Swift using CIFilter?

I am building a scanner component for an iOS app so far I have the result image cropped and in …

ios swift core-image cifilter
CIGaussianBlur image size

I want to blur my view, and I use this code: //Get a UIImage from the UIView NSLog(@"blur capture"); …

ios objective-c blur core-image