Mastering Core Image: XCode’s Image Recognition and Processing Framework

Mastering Core Image: XCode’s Image Recognition and Processing Framework

Why CIImages?

In this course, you learn how to add unique features to the images in your apps. A CIImage is a representation of an image that can be altered with Core Image filters. These filters allow users to change and interact with images in cool and useful ways. CIImages provide a lot of power that other image types do not.

Why Xcode?

Xcode is Apple’s FREE software for app development. Xcode is user-friendly and has the tools you need to make apps for the iPhone, iPad, Mac, Apple Watch, and Apple TV. In this course, you learn to navigate Xcode’s interface.

You learn how to add User Interface (UI) elements, including text fields, sliders, and buttons, to make an app. You learn to code in Swift 3.0, Apple’s programming language, to make the app function.

Course Curriculum

• Part 1: Apply common filters like Sepia and Blur to the images in your app. Test distortion and transition effects! See what happens when you combine multiple filters.
• Part 2: Use Facial Recognition software that is available in Swift to detect facial features such as eyes and smiles in photographs. Detect text found in images.
• Part 3: Develop an interface that will allow you to load, modify, and save CIImages. Learn the different ways to load images from multiple sources into an iOS app. Knowing how to save images in a photo album opens a whole slew of possibilities!
• Part 4: Superimpose images onto other images. Let a user place an image from a Camera Roll to the location where you tap on an app.
• Part 5: Let a user zoom and pan on your app’s images. This functionality is especially useful for users to interact with images like maps.

Is this course for me?

By taking this course, you will gain the tools you need continue improving yourself in the field of app development. You will be able to apply what you learned to further experiment in Xcode and make your own apps able to perform more.

What programs do I need?

To follow along with these tutorials, you will need Xcode, Apple’s free software for making apps for iOS, macOS, tvOS, and watchOS. Note that Xcode is only available on Apple computers. This course was recorded on a Mac.

Let’s get started!

Course Curriculum

Introduction to the Course

• Join Our Forum
• How to Get Core Image
• Don’t Have a Mac Computer?

01. Apply Filters to CIImages Interface

• 1.0 Intro and Demo (5:57)
• 1.0 Learning Goals (2:48)
• 1.1 Setting up the UI (10:37)
• 1.2 Finishing Set Up and Adding Resources (19:17)
• 1.3 Applying a Simple Sepia Tone Filter (20:00)
• 1.4 Viewing Filter Documentation (25:22)
• 1.5 Testing Blur Filters (28:57)
• 1.6 Testing Color Change Filters (22:44)
• 1.7 Testing Composite and Distortion Effects (26:46)
• 1.8 Testing Geometry Adjustment and Colour Gradient Filters (26:56)
• 1.9 Stylizing and Tile Effect Filter (21:27)
• 1.10 Exploring Transition Effect Filters (16:34)
• 1.11 Combining Multiple Filters into 1 Result (23:46)
• 1.12 Summary (8:00)
• CIFiltersInterface Source Code

02. Facial Recognition Interface

• 2.0 Intro and Demo (4:38)
• 2.0 Learning Goals (2:38)
• 2.1 Designing the UI and Adding Images to Project (10:32)
• 2.2 Performing Additional Variable and Function Set Up (19:22)
• 2.3 Implementing Basic Facial Detection Functionality (20:01)
• 2.4. Placing Image Over Eyes Part 1 (16:41)
• 2.5. Placing Images Over Eyes Part 2 (26:00)
• 2.6. Intro to Text Recognition Using Core Image (16:49)
• 2.7 Intro to Image to Text Reading Using Tesseract (15:08)
• 2.8 Implementing Tesseract Functionality (18:35)
• 2.9 Summary (8:28)
• Facial Recognition Interface Source Code

03. Load and Save CIImages Interface

• 3.0 Intro and Demo (4:21)
• 3.0 Learning Goals (2:16)
• 3.1 Building the User Interface (12:50)
• 3.2 Loading Image from Assets Folder (16:41)
• 3.3 loading Images From Photo Library (19:30)
• 3.4 Loading Images Via URL (30:05)
• 3.5 Modifying and Saving Images (14:32)
• 3.6 Summary and Outro (7:02)
• Load and Save CIImages Interface Source Code

04. Superimpose Images Interface

• 4.0 Intro and Demo (4:40)
• 4.0 Learning Goals (2:29)
• 4.1 Building the UI (12:33)
• 4.2. Setting up Images and Image Picker Controller (23:48)
• 4.3 Scaling Down Images (15:01)
• 4.4 Implementing Simple Tap Gestures and Reverting Actions (20:26)
• 4.5 Positioning Image at Tap Location (27:30)
• 4.6 Summary and Outro (7:48)
• 4.7 Bonus – Positioning Centre of Image at Tap Position (6:42)
• Superimpose Images Interface Source Code

05. Zoom and Pan Interface with Core Images

• 5.0 Intro and Demo (4:42)
• 5.0 Learning Goals (2:46)
• 5.1 Setting up the Basic UI (11:02)
• 5.2 Display the Image (15:34)
• 5.3 Implementing Crop Functionality Text Fields (11:02)
• 5.4 Setting up X,Y, and Zoom Sliders (17:02)
• 5.5 Implementing Crop Functionality With Sliders (10:22)
• 5.6 Adding Gestures to The Interface And Implementing Pan Gesture (16:20)
• 5.7 Implementing Pinch Zoom Gesture (16:20)
• 5.8 Summary and Outro (6:54)
• 5.9 Bonus – Bounds checking (7:54)
• Zoom Interface with Core Image Source Code
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