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From
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YLGIFImage - Async GIF image decoder and Image viewer supporting play GIF images. It just use very less memory. 
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From
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Usage: PAImageView *avatarView = [[PAImageView alloc] initWithFrame:aFrame backgroundProgressColor:[UIColor whiteColor] progressColor:[UIColor lightGrayColor]];[self.view addSubview:avatarView];// Later[avatarView setImageURL:URL];
Vincent Demay's insight:
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DoImagePickerController - An image picker controller with single selection and multiple selection. Support to select lots photos with panning gesture. features:
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UIImage-BlurredFrame - UIImage category that blurs an specified frame of a UIImage
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From
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UIImageView clone with a catch: FaceImageView automatically scales its image to fill the bounds and keep any faces detected in view. This can be useful if you want to display people-based dynamic content with UIViewContentModeScaleToFill but are having issues with it displaying the wrong part of the image, like the background, or someone's feet. The class uses the CoreImage face detection APIs available in iOS 5.0 or later. This API works in many clear cases, but is not all that reliable. If no faces are detected in an image, FaceImageView defaults to centering the image, like UIImageView's behavior with UIViewContentModeScaleToFill. A small demo app is included to try out different images and view sizes.
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From
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Wolfpack is an image processing library for iOS and OS X. With the vast improvements to Core Image brought on by iOS 6, working with images on the iPhone and iPad has never been easier. This is a total work in progress.
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✔Sources: https://github.com/justin/wolfpack
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A project based off Erik M. Buck's code, available from http://www.informit.com/articles/article.aspx?p=1946398. All credit goes to this guy, I just tweaked the code so that I can run it on a retina iPad. Changes I have made: Remove a lot of code that was unreachable. Made the vertex shader more discerning re: green color. i.e. the pixel has to be more green than before to become transparent. Stops things like yellow being semi transparent. Added support for retina devices.
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A Cocoa-Touch system for getting a color scheme in function of an image, like iTunes 11 does. It is designed as a general purpose class set, in wich LEColorPicker is the interface for your client code. LEColorPicker class provides a class method that receives an UIImage as input and completition block that is executed when the image processing is done. The completion block recieves a NSDictionary with the three computed colors. The computation take some time, that is why we provide this split phase method.
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It's a funny project but it can be useful to make awaesome HMI.
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DLCImagePickerController is a fast, beautiful and fun way to filter and capture your photos with OpenGL and your iPhone. The majority of the praise should be directed towards BradLarson for his GPUImage library. ✔Sources: https://github.com/gobackspaces/DLCImagePickerController
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In this article I will explain how to do face detection on a live video feed using an iOS 5 device. We will be using Core Image to do the heavy lifting. The code is loosely based on the SquareCam sample code from Apple.
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From
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This repository provides a starting point to build an application based on the Instagram platform. In addition to the Instagram API model, the respository includes a sample iOS project. ✔ Sources: https://github.com/hsandhu/HSInstagram
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Introduction to Photo Picker+. Find out more at http://picture.io/photopickerplus see on ManiacDev.com ✔ Sources: https://github.com/chute/photo-picker-plus
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ThumbnailPickerView is a control displaying a set (or technically an array) of thumbnails aligned horizontally. It mimics thumbnails view from iPad's Photos.app toolbar, but as a subclass of UIControl it can be freely used as a regular view outside the toolbar. See on ManiacDev.com ✔ Sources: https://github.com/ayoy/ThumbnailPickerView
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Based on a popular open source javascript project also known as Filtrr this library provides many different filters that can be easily customized with methods allowing for easy changing of the brightness, contrast, saturation and tint of the image. Also provided are basic scaling and cropping methods to make things easier. ✔ Sources: https://github.com/OmidH/Filtrr
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The GPUImage framework is a BSD-licensed iOS library that lets you apply GPU-accelerated filters and other effects to images, live camera video, and movies. In comparison to Core Image (part of iOS 5.0), GPUImage allows you to write your own custom filters, supports deployment to iOS 4.0, and has a simpler interface. However, it currently lacks some of the more advanced features of Core Image, such as facial detection. For massively parallel operations like processing images or live video frames, GPUs have some significant performance advantages over CPUs. On an iPhone 4, a simple image filter can be up to 24X faster to perform on the GPU than an equivalent CPU-based filter. However, running custom filters on the GPU requires a lot of code to set up and maintain an OpenGL ES 2.0 rendering target for these filters. I created a sample project to do this: http://www.sunsetlakesoftware.com/2010/10/22/gpu-accelerated-video-processing-mac-and-ios and found that there was a lot of boilerplate code I had to write in its creation. Therefore, I put together this framework that encapsulates a lot of the common tasks you'll encounter when processing images and video and made it so that you don't need to care about the OpenGL ES 2.0 underpinnings. ✔ Sources: https://github.com/BradLarson/GPUImage
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MKNetworkEngine makes it a breeze to add this feature into your app. What not? With MKNetworkKit, you will even know if the response image is from cache or loaded for the first time. Using this information, you can “fade in” your thumbnails when you load the images for the first time
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There are 3 different tiers in the library and you can choose which one to use depending on how much customization you need. If you use the top tier only you can add opening and saving images from iCloud with just about 10 lines of Objective-C code (which is always cool). Then you can decided to use the lower level classes also and you can further customize everything from the look to the code itself.
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This is a library that provides image cropping aloing with a nice simple user interface. ✔ Sources: https://github.com/ardalahm...
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With the face detection API included within Core Image in the iOS 5 SDK facial recognition is now dead simple on devices running iOS 5, and it works extremely well.
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The image picker is created and displayed in a very similar manner to the UIImagePickerController. The sample application shows its use. To display the controller you instantiate it and display it modally like so. ✔ Sources: https://github.com/elc/ELCImagePickerController
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"When deadlines loom, even skilled and experienced programmers can get a little sloppy. The pressure to ship may cause them to cut corners and look for a quick and easy solution, even if that solution is sure to cause trouble later on. Eventually, their coding style devolves into copy and paste programming, a lamentable tactic that involves cherry-picking snippets of code from a past project and putting them to use in the current one. Of course, the proper solution is to factor out the code into some kind of reusable library, but due to time constraints, it’s simply duplicated wherever it’s needed. Any bugs in the original code have now spread to a dozen different places in a dozen different projects. It’s an algorithm for chaos."
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OpenCV is an image processing lib : "I’ve mentioned in the extremely useful OpenCV library, and tutorials on usage and install. Getting started with OpenCV can be difficult, but can be key if you’re looking to do any sort of image processing on the iOS platform."
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From
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These days everyone seems to want instagram-style filters for images on iPhone. The way to do this (I think) is to examine how people have implemented equivalent filters in Photoshop and code them in objective c. Unfortunately, the imaging libraries are all geared for gaming. For non-game developers who just want simple image processing, this is overkill.
✔ Sources : https://github.com/esilverberg/ios-image-filters
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Curated by Vincent Demay
Development Manager @ Scoop.it - http://www.scoop.it
iPad, iPhone and Android developer Geek :) |
✔Source: https://github.com/liyong03/YLGIFImage