LFLivenessEnumType

LFLivenessEnumType类说明了活体检测所用到的枚举类型。

typedef NS_ENUM(NSInteger, LivefaceErrorType)

活体检测失败类型。

类型 说明
LIVENES_INIT_FAILD 算法SDK初始化失败
LIVENESS_CAMERA_ERROR 相机权限获取失败
LIVENESS_TOKEN_INVALID token验证未通过,无效token
LIVENESS_TOKEN_UNBOUND token验证未通过,bundle_id未绑定
LIVENESS_CAMERA_ERROR 相机权限获取失败
LIVENESS_FACE_CHANGED 人脸变更
LIVENESS_TIMEOUT 检测动作超时
LIVENESS_WILL_RESIGN_ACTIVE 应用即将被挂起(进入后台)
LIVENESS_INTERNAL_ERROR 内部错误
LIVENESS_OTHER_ERROR 其他错误
LIVENESS_FACE_CHANGED_WAY 中途人脸变更

示例代码:

- (void)livenessDidFailWithErrorType:(LivefaceErrorType)iErrorType detectionType:(LivefaceDetectionType)iDetectionType detectionIndex:(int)iDetectionIndex data:(NSData *)data lfImages:(NSArray *)arrLFImage lfVideoData:(NSData *)lfVideoData
{
    LFMultipleLivenessError iLFMultipleError = 0;
    switch (iErrorType) {
        case LIVENESS_INIT_FAILD:
        {
            iLFMultipleError = LFMultipleLivenessInitFaild;
        }
            break;

        case LIVENESS_CAMERA_ERROR:
        {
            iLFMultipleError = LFMultipleLivenessTokenInvalid;
        }
            break;
        case LIVENESS_TOKEN_INVALID:
        {
            iLFMultipleError = LFMultipleLivenessTokenUnBound;
        }
            break;
        case LIVENESS_TOKEN_UNBOUND:
        {
            iLFMultipleError = LFMultipleLivenessCameraError;
        }
            break;

        case LIVENESS_FACE_CHANGED:
        {
            iLFMultipleError = LFMultipleLivenessFaceChanged;
        }
            break;

        case LIVENESS_INTERNAL_ERROR:
        {
            iLFMultipleError = LFMultipleLivenessInternalError;
        }
            break;

        case LIVENESS_TIMEOUT:
        {
            iLFMultipleError = LFMultipleLivenessTimeOut;
        }
            break;


        case LIVENESS_WILL_RESIGN_ACTIVE:
        {
            iLFMultipleError = LFMultipleLivenessWillResignActive;
        }
            break;
        case LIVENESS_BUNDLEID_ERROR:
        {
            iLFMultipleError = LFMultipleLivenessBundleIDError;
        }
            break;
        case LIVENESS_AUTH_EXPIRE:
        {
            iLFMultipleError = LFMultipleLivenessAuthExpire;
        }
            break;
        case LIVENESS_LICENSE_ERROR:
        {
            iLFMultipleError = LFMultipleLivenessLicenseError;
        }
            break;
        case LINENESS_MODEL_EXPIRE:{
            iLFMultipleError = LFMultipleLivenessModelError;
        }
            break;
        case LINENESS_MODEL_SOURCE:{
            iLFMultipleError = LFMultipleLivenessSourceError;
        }
            break;
        case LINENESS_OTHER_ERROR:{
            iLFMultipleError = LFMultipleLivenessOtherError;
        }
            break;
        default:
            break;
    }

typedef NS_ENUM(NSInteger, LivefaceChangeValue)

活体检测提示类型。

类型 说明
LIVE_FACE_NO 没有人脸
LIVE_FACE_FAR 太近了
LIVE_FACE_NEAR 太远了
LIVE_FACE_MANY 多张人脸
LIVE_FACE_HAVE 检测到人脸
LIVE_FACE_NOMAL 人脸符合要求
LIVE_FACE_NOENOUGH_LIGHT 光线太暗了
LIVE_FACE_TOO_LIGHT 光线太亮了
LIVE_FACE_POSE_ERROR 请正对屏幕

示例代码:

/**
 返回人脸数据是否符合要求和人脸对应的屏幕面积

 @param faceChange 人脸光线亮度相关
 @param faceArea 人脸面积
 */
- (void)livenessDidFaceChange:(LivefaceChangeValue)faceChange faceArea:(int)faceArea facePose:(LivefaceChangeValue)facePose;

typedef NS_ENUM(NSInteger, LivefaceDetectionType)

检测模块类型。枚举类型定义了眨眼、点头、张嘴、摇头四种。

类型 说明
LIVE_NONE 未定义类型
LIVE_BLINK 眨眼检测
LIVE_NOD 上下点头检测
LIVE_MOUTH 张嘴检测
LIVE_YAW 左右转头检测

示例代码:

- (void)livenessDidStartDetectionWithDetectionType:(LivefaceDetectionType)iDetectionType detectionIndex:(int)iDetectionIndex{
        可以拿到返回数据类型
}

typedef NS_ENUM(NSUInteger, LivefaceOutputType)

类型 说明
LIVE_OUTPUT_SINGLE_IMAGE 单图方案
LIVE_OUTPU\T_MULTI_IMAGE 多图方案

示例代码:

[livefaceVC setOutputType:iOutputType complexity:iComplexity];

typedef NS_ENUM(NSUInteger, LivefaceComplexity)

活体检测复杂度。

类型 说明
LIVE_COMPLEXITY_EASY 简单, 人脸变更时不会回调 LIVENESS_FACE_CHANGED 错误, 活体阈值低
LIVE_COMPLEXITY_NORMAL 正常, 人脸变更时会回调 LIVENESS_FACE_CHANGED 错误, 活体阈值较低
LIVE_COMPLEXITY_HARD 困难, 人脸变更时会回调 LIVENESS_FACE_CHANGED 错误, 活体阈值较高
LIVE_COMPLEXITY_HELL 地狱, 人脸变更时会回调 LIVENESS_FACE_CHANGED 错误, 活体阈值最高

示例代码:

[livefaceVC setOutputType:iOutputType complexity:iComplexity];

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