程序包 ohos.ai.cv.common

类 VisionManager

java.lang.Object

ohos.ai.cv.common.VisionManager

public class VisionManager
extends Object

Provides methods for initializing HUAWEI HiAI Engine services and CV abilities.

Example operations include connecting to or disconnecting from HUAWEI HiAI Engine services, and obtaining detection method instances.

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方法概要

限定符和类型	方法	说明
static void	destroy()	Disconnects from HUAWEI HiAI Engine services.
static IBarcodeDetector	getBarcodeDetector(Context context)	Obtains an IBarcodeDetector instance.
static IDocRefine	getDocRefine(Context context)	Obtains an IDocRefine instance.
static IImageSuperResolution	getSisr(Context context)	Obtains an IImageSuperResolution instance.
static ITextDetector	getTextDetector(Context context)	Obtains an ITextDetector instance.
static ITxtImageSuperResolution	getTisr(Context context)	Obtains an ITxtImageSuperResolution instance.
static int	init(Context context, ConnectionCallback connectionCallback)	Initializes HUAWEI HiAI Engine services.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

init

public static int init(Context context,
                       ConnectionCallback connectionCallback)

Initializes HUAWEI HiAI Engine services.

参数:

context - Indicates the HarmonyOS context.

connectionCallback - Indicates a callback to asynchronously initialize HUAWEI HiAI Engine services.

返回:

Returns a status code. For more information, see HwHiAIResultCode.

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destroy

public static void destroy()

Disconnects from HUAWEI HiAI Engine services.

从以下版本开始:

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getSisr

public static IImageSuperResolution getSisr(Context context)

Obtains an IImageSuperResolution instance.

参数:

context - Indicates the HarmonyOS context.

返回:

Returns an IImageSuperResolution instance.

从以下版本开始:

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getTisr

public static ITxtImageSuperResolution getTisr(Context context)

Obtains an ITxtImageSuperResolution instance.

参数:

context - Indicates the HarmonyOS context.

返回:

Returns an ITxtImageSuperResolution instance.

从以下版本开始:

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getDocRefine

public static IDocRefine getDocRefine(Context context)

Obtains an IDocRefine instance.

参数:

context - Indicates the HarmonyOS context.

返回:

Returns an IDocRefine instance.

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getTextDetector

public static ITextDetector getTextDetector(Context context)

Obtains an ITextDetector instance.

参数:

context - Indicates the HarmonyOS context.

返回:

Returns an ITextDetector instance.

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getBarcodeDetector

public static IBarcodeDetector getBarcodeDetector(Context context)

Obtains an IBarcodeDetector instance.

The parameter value is passed by the caller, and the value range is determined by the variable type.

参数:

context - Indicates the HarmonyOS context.

返回:

Returns an IBarcodeDetector instance.

从以下版本开始:

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