人脸识别小于阈值时增加重试次数，降低识别错误情况

app/src/main/java/com/sw/platecabinet/activity/LoginByFaceActivity.kt

@@ -1,27 +1,21 @@
 package com.sw.platecabinet.activity
 
 import android.Manifest
-import android.annotation.SuppressLint
 import android.content.Intent
 import android.graphics.Point
 import android.hardware.Camera
 import android.os.Build
 import android.os.CountDownTimer
 import android.util.DisplayMetrics
-import android.util.Log
 import android.view.View
 import android.view.ViewGroup
 import android.view.ViewTreeObserver
-import androidx.activity.viewModels
 import androidx.annotation.RequiresApi
 import androidx.lifecycle.Observer
-import androidx.lifecycle.lifecycleScope
-import androidx.recyclerview.widget.LinearLayoutManager
 import com.arcsoft.face.ErrorInfo
 import com.google.gson.Gson
 import com.sw.platecabinet.socket.TcpClientListenerImpl
 import com.sw.inbound.utils.DateTimeUtils
-import com.sw.plate.App
 import com.sw.plate.utils.Base64
 import com.sw.plate.utils.ToastUtils
 import com.sw.plate.utils.arcface.ConfigUtil
@@ -44,34 +38,22 @@ import com.sw.plate.utils.arcface.viewmodel.RecognizeViewModel.REGISTER_STATUS_R
 import com.sw.platecabinet.GlobalData
 import com.sw.platecabinet.MyApp
 import com.sw.platecabinet.R
-import com.sw.platecabinet.adapter.LogAdapter
 import com.sw.platecabinet.databinding.ActivityLoginFaceBinding
 import com.sw.platecabinet.databinding.ItemTitleTimeBinding
-import com.sw.platecabinet.ext.gone
-import com.sw.platecabinet.ext.invisible
-import com.sw.platecabinet.ext.visible
 import com.sw.platecabinet.model.response.EquipmentUserInfo
 import com.sw.platecabinet.socket.LanServer
 import com.sw.platecabinet.socket.LanServerListenerImpl
 import com.sw.platecabinet.socket.TcpClient
 import com.sw.platecabinet.utils.Debouncer
-import com.sw.platecabinet.utils.IntervalExecutor
 import com.sw.platecabinet.utils.PermissionHelper
 import com.sw.platecabinet.utils.PlateUtils
 import com.sw.platecabinet.utils.SoundPoolUtil
 import com.sw.platecabinet.utils.SpTool
-import com.sw.platecabinet.utils.countDownByFlow
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.runBlocking
 import org.greenrobot.eventbus.EventBus
 import org.greenrobot.eventbus.Subscribe
 import org.greenrobot.eventbus.ThreadMode
 import org.json.JSONObject
 import timber.log.Timber
-import java.util.concurrent.Executors
-import java.util.concurrent.ScheduledExecutorService
-import java.util.concurrent.TimeUnit
-import kotlin.math.log
 
 /**
  * 人脸识别
@@ -252,21 +234,11 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
 
         recognizeViewModel.recognizeUserId.observe(this, Observer { result: CompareResult? ->
             loadLogInfo("collectFace,recognizeUserId observe userId = ${result?.faceEntity?.userName}")
-            val similar = result?.similar?:0f
+            if (faceUseSwitch) {
-            binding.tvSimilarValue.text="$similar"
+                loadFaceRecognizeResult2(result)
-            val similarPass = result?.isSimilarPass?:false
-            if (similarPass.not()) {
-                loadLogInfo("collectFace,recognizeUserId 未识别到人脸信息，开始采集")
-                isCollectFace = true
-                collectFace()
                 return@Observer
             }
-            currentUserId = result?.faceEntity?.userName
+            loadFaceRecognizeResult(result)
-            if (tempUserId != currentUserId) {
-                SoundPoolUtil.getInstance().play("success", 0)
-            }
-//            plateEnable = true
-            openPlate(currentUserId)
         })
 
         recognizeViewModel.drawRectInfoText.observe(this, Observer { info ->
@@ -274,6 +246,84 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
         })
     }
 
+    /**
+     * 人脸识别开关，true-loadFaceRecognizeResult2，false-loadFaceRecognizeResult
+     */
+    private var faceUseSwitch = true
+
+    /**
+     * 识别失败重试次数
+     */
+    private var retryFailCount = 0
+
+    /**
+     * 识别失败最大次数
+     */
+    private val maxFailCount = 5
+
+    /**
+     * 人脸失败阈值
+     */
+    private val faceFailThreshold = 0.3
+
+    /**
+     * 配置阈值，默认值为0.8
+     */
+    private val faceSuccessThreshold by lazy { ConfigUtil.getRecognizeThreshold(this) }
+
+
+    /**
+     * 根据相似度similar>设定阈值0.8作为识别成功判断，
+     * 如果similar<0.3作为识别失败判断，
+     * 如果similar>=0.3&&similar<=0.8时，暂时不作为失败情况，再识别5次如果similar<0.8则作为识别失败处理
+     */
+    private fun loadFaceRecognizeResult2(result: CompareResult?) {
+        val similar = result?.similar?:0f
+        binding.tvSimilarValue.text="$similar"
+        loadLogInfo("collectFace,recognizeUserId 人脸识别配置阈值为：${faceSuccessThreshold},失败阈值为：${faceFailThreshold},相似度为：${similar},失败次数为：${retryFailCount}")
+        if (similar > faceSuccessThreshold) {
+            //大于识别阈值，作为识别成功判断
+            currentUserId = result?.faceEntity?.userName
+            if (tempUserId != currentUserId) {
+                SoundPoolUtil.getInstance().play("success", 0)
+            }
+            openPlate(currentUserId)
+            return
+        }
+        loadLogInfo("collectFace,recognizeUserId 人脸识别相似度为：${similar},失败次数为：${retryFailCount}")
+        if (similar < faceFailThreshold || retryFailCount >= maxFailCount) {
+            //小于识别错误阈值，或者识别失败次数大于等于最大失败次数，作为识别失败判断
+            loadLogInfo("collectFace,recognizeUserId 未识别到人脸信息，开始采集")
+            isCollectFace = true
+            collectFace()
+            return
+        }
+        //满足similar >= faceFailThreshold && similar <= successThreshold时进行重试
+        retryFailCount++
+        loadLogInfo("collectFace,recognizeUserId 人脸识别失败次数为：${retryFailCount}")
+    }
+
+    /**
+     * 根据相似度similar>设定阈值0.8作为识别是否成功来加载人脸识别结果
+     */
+    private fun loadFaceRecognizeResult(result: CompareResult?) {
+        val similar = result?.similar?:0f
+        binding.tvSimilarValue.text="$similar"
+        val similarPass = result?.isSimilarPass?:false
+        if (similarPass.not()) {
+            loadLogInfo("collectFace,recognizeUserId 未识别到人脸信息，开始采集")
+            isCollectFace = true
+            collectFace()
+            return
+        }
+        currentUserId = result?.faceEntity?.userName
+        if (tempUserId != currentUserId) {
+            SoundPoolUtil.getInstance().play("success", 0)
+        }
+//            plateEnable = true
+        openPlate(currentUserId)
+    }
+
     /**
      * 查询餐盘数据
      */
@@ -559,6 +609,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
                 }, 1000)
                 return
             }
+            retryFailCount = 0
             binding.tvSimilarValue.text=""
             isCollectFace = false
             plateEnable = true
@@ -595,7 +646,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
 //        goInitActivity()
     }
 
-    private val totalTimeInMillis = 10 * 1000L
+    private val totalTimeInMillis = 15 * 1000L
     fun initCountTime() {
         countDownTimer = object : CountDownTimer(totalTimeInMillis, 1000) {
             override fun onTick(millisUntilFinished: Long) {