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implementation 'com.github.HyperInspire:hyperlpr3-android-sdk:1.0.3'//车牌
- private Bitmap ChePaiBitmap;//车牌图片
- private String ChePaiResult;//车牌结果
- private int Chepai_type;//车牌的类型
- private String Chepai_color;//车牌颜色
- /**
- * 识别车牌
- */
- //车牌识别
- private void ChePai() {
- ChePaiBitmap = null;
- ChePaiResult = "";
- Chepai_type=-1;
- new Thread(() -> {//开启线程
- Looper.prepare();
- ChePaiBitmap = MainActivity.INSTANCE.getBitmap();//获取当前视频流的图片,如果你这里报错,请参考我前面的文章。
- Log.e("图片大小", "w" + ChePaiBitmap.getWidth() + "h" + ChePaiBitmap.getHeight());
-
- //初始化车牌识别
- // 车牌识别算法配置参数
- HyperLPRParameter parameter = new HyperLPRParameter()
- .setDetLevel(HyperLPR3.DETECT_LEVEL_LOW)//设置识别水平
- .setMaxNum(3)//可更改识别的车牌数量
- .setRecConfidenceThreshold(0.85f);//设置精度
- // 初始化(仅执行一次生效)
- HyperLPR3.getInstance().init(this, parameter);
-
-
- if (ChePaiBitmap != null) {
- Bitmap bcopy = ChePaiBitmap.copy(Bitmap.Config.ARGB_8888, true);
- Plate[] plates = HyperLPR3.getInstance().plateRecognition(ChePaiBitmap, HyperLPR3.CAMERA_ROTATION_0, HyperLPR3.STREAM_BGRA);
- if (plates.length > 0) {
- Canvas canvas = new Canvas(bcopy);
- Paint paint = new Paint();
- paint.setColor(Color.RED);
- paint.setStyle(Paint.Style.STROKE);
- paint.setStrokeWidth(2.0f);
- StringBuilder car = new StringBuilder();
- StringBuilder car_color = new StringBuilder();
- for (Plate plate : plates) {
- // 打印检测到的车牌号
- car.append(plate.getCode().substring(1)).append("\n");
- Chepai_type = plate.getType();
- String color = Plate_color(Chepai_type);//自己定义的方法
- car_color.append(color).append("\n");
- canvas.drawRect(new android.graphics.Rect((int) plate.getX1(), (int) plate.getY1(), (int) plate.getX2(), (int) plate.getY2()), paint);
- }
- ChePaiResult = car.toString();//车牌结果
- ChePaiBitmap = bcopy;//框出车牌后的图片
- Chepai_color = car_color.toString();//车牌颜色
- // System.out.println(ChePaiResult);
- }
- }
- qrHandler.sendEmptyMessage(60);//通过handler跳出线程
-
- }).start();
- }
- /**
- * 返回车牌的颜色
- * @param Chepai_type
- * @return
- */
- public String Plate_color(int Chepai_type){
- String Plate_Color="";
- if (Chepai_type==0){
- Plate_Color="蓝牌";
- }
- if (Chepai_type==1){
- Plate_Color="黄牌单层";
- }
- if (Chepai_type==2){
- Plate_Color="白牌单层";
- }
- if (Chepai_type==3){
- Plate_Color="绿牌新能源";
- }
- if (Chepai_type==4){
- Plate_Color="黑牌港澳";
- }
- if (Chepai_type==5){
- Plate_Color="香港单层";
- }
- if (Chepai_type==6){
- Plate_Color="香港双层";
- }
- if (Chepai_type==7){
- Plate_Color="澳门单层";
- }
- if (Chepai_type==8){
- Plate_Color="澳门双层";
- }
- if (Chepai_type==9){
- Plate_Color="黄牌双层";
- }
- if (Chepai_type==-1){
- Plate_Color="未知车牌";
- }
- return Plate_Color;
- }
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