January 2023
Intermediate to advanced
288 pages
6h 6m
Chinese
Content preview from 移动端AI与ML应用开发：基于iOS和Android
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98
|
第
6
章
MLKitObjectDetector
），而 pod 应该是
GoogleMLKit/ObjectDetection
。
完成后，运行
pod install
来下载所需的依赖库，你将创建一个新的
.xcworkspace
文
件。打开这个继续操作。
6.2.2
第
2
步：在故事板上创建
UI
这个应用程序比标记图像的应用程序更简单，因为你只有两个 UI 元素
—
一张你想要
执行物体检测的图像（你将在上面绘制边界框），以及一个用户要按下以触发物体检测的
按钮。因此，向故事板添加一个 UIImageView 和一个按钮。编辑按钮将其文本更改为
“物体检测”（Detect Objects）。完成后，你的故事板应如图 6-7 所示。
物体检测
图
6-7
：物体检测应用程序的故事板
你需要为图像视图创建一个输出并为按钮创建一个动作。如果你不熟悉这些，我建议你
返回到第 3 章并完成那里的示例，以及在本章前面进行图像标记。
完成后，你的
ViewController.swift
文件将定义输出和动作，应如下所示：
import UIKit
class ViewController: UIViewController {
@IBOutlet weak var imageView: UIImageView!
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