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移动端AI与ML应用开发:基于iOS和Android
book

移动端AI与ML应用开发:基于iOS和Android

by Laurence Moroney
January 2023
Intermediate to advanced
288 pages
6h 6m
Chinese
China Machine Press
Content preview from 移动端AI与ML应用开发:基于iOS和Android
iOS
上使用
ML Kit
的文本处理应用程序
|
119
(result: DigitalInkRecognitionResult?, error: Error?) in
一个有效的结果有许多候选项,其中有多个潜在的匹配项。因此,例如,如果你回顾
7-3,我的“ h”可能被误认为是“ n ,而最后的“ lo”可能被误认为是“ b 。引擎
将按优先级顺序返回各种候选项,因此它可能有“hello ”“ nello”“ helb”“ nelb”等。为
了简单起见,此代码将使用
result.candidates.first
来获取第一个候选项:
if let result = result, let candidate = result.candidates.first {
alertTitle = "I recognized this:"
alertText = candidate.text
} else {
alertTitle = "I hit an error:"
alertText = error!.localizedDescription
}
alertTitle
alertText
值是用于设置警告对话框的字符串。你在图 7-3 的右侧看到了
这一点。需要注意的重要属性是
candidate.text
,它是当前候选的文本解释。由于我们
只是选择第一个候选项,因此 ML Kit 确定它是最有可能匹配的那个。
在此之后,你只想显示警告框,清除图像,并重置笔画和点,以便你可以重试:
let alert ...
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Publisher Resources

ISBN: 9787111713081