基于百度ai实现身份证，银行卡自动识别,车牌识别
1.创建应用 获取应用的API Key和Secret Key
2.下载SDK，将SDK的jar包和依赖包导入自己的项目。
3.下载License文件
4.初始化
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
@NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
initAccessTokenWithAkSk();
} else {
Toast.makeText(getApplicationContext(), "需要android.permission.READ_PHONE_STATE", Toast.LENGTH_LONG).show();
}
}
private boolean checkTokenStatus() {
if (!hasGotToken) {
Toast.makeText(getApplicationContext(), "token还未成功获取", Toast.LENGTH_LONG).show();
}
return hasGotToken;
}
/**
* 以license文件方式初始化
*/
private void initAccessToken() {
OCR.getInstance(this).initAccessToken(new OnResultListener
@Override
public void onResult(AccessToken accessToken) {
String token = accessToken.getAccessToken();
hasGotToken = true;
}
@Override
public void onError(OCRError error) {
error.printStackTrace();
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(MyZiliaoActivity.this, "licence方式获取token失败", Toast.LENGTH_SHORT).show();
}
});
}
}, getApplicationContext());
}
/**
* 用明文ak，sk初始化
*/
private void initAccessTokenWithAkSk() {
OCR.getInstance(this).initAccessTokenWithAkSk(new OnResultListener
@Override
public void onResult(AccessToken result) {
String token = result.getAccessToken();
hasGotToken = true;
}
@Override
public void onError(OCRError error) {
error.printStackTrace();
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(MyZiliaoActivity.this, "AK，SK方式获取token失败", Toast.LENGTH_SHORT).show();
}
});
}
}, getApplicationContext(), "xxxxxxxxxxxxxx", "xxxxxxxxxxxxxxxxxxx");
}
/**
* 自定义license的文件路径和文件名称，以license文件方式初始化
*/
private void initAccessTokenLicenseFile() {
OCR.getInstance(this).initAccessToken(new OnResultListener
@Override
public void onResult(AccessToken accessToken) {
String token = accessToken.getAccessToken();
hasGotToken = true;
}
@Override
public void onError(OCRError error) {
error.printStackTrace();
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(MyZiliaoActivity.this, "自定义文件路径licence方式获取token失败", Toast.LENGTH_SHORT).show();
}
});
}
}, "aip.license", getApplicationContext());
}
}
身份证正面Intent intent = new Intent(MyZiliaoActivity.this, CameraActivity.class);
intent.putExtra(CameraActivity.KEY_OUTPUT_FILE_PATH,
FileUtil.getSaveFile((getApplication()),1).getAbsolutePath());
intent.putExtra(CameraActivity.KEY_CONTENT_TYPE, CameraActivity.CONTENT_TYPE_ID_CARD_FRONT);
startActivityForResult(intent, REQUEST_CODE_CAMERA);
initAccessTokenWithAkSk();
身份证反面
Intent intent1 = new Intent(MyZiliaoActivity.this, CameraActivity.class);
intent1.putExtra(CameraActivity.KEY_OUTPUT_FILE_PATH,
FileUtil.getSaveFile((getApplication()),2).getAbsolutePath());
intent1.putExtra(CameraActivity.KEY_CONTENT_TYPE, CameraActivity.CONTENT_TYPE_ID_CARD_BACK);
startActivityForResult(intent1, REQUEST_CODE_CAMERA);
initAccessTokenWithAkSk();
调用银行卡
Intent intent3 = new Intent(MyZiliaoActivity.this, CameraActivity.class);
intent3.putExtra(CameraActivity.KEY_OUTPUT_FILE_PATH,
FileUtil.getSaveFile(getApplication(),0).getAbsolutePath());
intent3.putExtra(CameraActivity.KEY_CONTENT_TYPE,
CameraActivity.CONTENT_TYPE_BANK_CARD);
startActivityForResult(intent3, REQUEST_CODE_BANKCARD);
调用车牌
Intent intent = new Intent(getActivity(), CameraActivity.class); intent.putExtra(CameraActivity.KEY_OUTPUT_FILE_PATH, FileUtil.getSaveFile(getActivity().getApplication()).getAbsolutePath()); intent.putExtra(CameraActivity.KEY_CONTENT_TYPE, CameraActivity.CONTENT_TYPE_GENERAL); startActivityForResult(intent, REQUEST_CODE_LICENSE_PLATE);
解析银行卡，身份证
private void recCreditCard(String filePath) {
// 银行卡识别参数设置
BankCardParams param = new BankCardParams();
param.setImageFile(new File(filePath));
// 调用银行卡识别服务
OCR.getInstance(this).recognizeBankCard(param, new OnResultListener
@Override
public void onResult(BankCardResult result) {
if (result != null) {
et_yinhangkahao.setText(result.getBankCardNumber());
// tv_yhk.setVisibility(View.VISIBLE);
// tv_yhk.setText(result.getBankCardNumber());
}
}
@Override
public void onError(OCRError error) {
Toast.makeText(MyZiliaoActivity.this, error.toString(), Toast.LENGTH_SHORT).show();
}
});
}
private void recIDCard(final String idCardSide, final String filePath) {
final IDCardParams param = new IDCardParams();
param.setImageFile(new File(filePath));
// 设置身份证正反面
param.setIdCardSide(idCardSide);
// 设置方向检测
param.setDetectDirection(true);
// 设置图像参数压缩质量0-100, 越大图像质量越好但是请求时间越长。 不设置则默认值为20
param.setImageQuality(40);
OCR.getInstance(this).recognizeIDCard(param, new OnResultListener
@Override
public void onResult(IDCardResult result) {
alertText("", result.toString());
if (result != null) {
String name = "";
String sex = "";
String num = "";
if (result.getName() != null) {
name = result.getName().toString();
}
if (result.getGender() != null) {
sex = result.getGender().toString();
}
if (result.getIdNumber() != null) {
num = result.getIdNumber().toString();
}
et_name.setText(name);
et_shenfenzheng.setText(num);
if (sex.equals("男")) {
rb_nan.setChecked(true);
rb_nv.setChecked(false);
} else if (sex.equals("女")) {
rb_nv.setChecked(true);
rb_nan.setChecked(false);
}
iv_zhengmian.setImageBitmap(null);
zhengmianFile = new File(filePath);
Uri image = Uri.fromFile(new File(String.valueOf(zhengmianFile)));
Picasso.with(MyZiliaoActivity.this).load(image)
.memoryPolicy(MemoryPolicy.NO_CACHE)
.networkPolicy(NetworkPolicy.NO_CACHE)
.error(R.drawable.zhanwei)
.into(iv_zhengmian);
Log.i("正面", result.toString()+zhengmianFile.toString());
}
}
@Override
public void onError(OCRError error) {
Toast.makeText(MyZiliaoActivity.this, "识别出错,请查看log错误代码", Toast.LENGTH_SHORT).show();
Log.d("MainActivity", "onError: " + error.getMessage());
}
});
}
private void recIDCard1(String idCardSide, final String filePath) {
final IDCardParams param = new IDCardParams();
param.setImageFile(new File(filePath));
// 设置身份证正反面
param.setIdCardSide(idCardSide);
// 设置方向检测
param.setDetectDirection(true);
// 设置图像参数压缩质量0-100, 越大图像质量越好但是请求时间越长。 不设置则默认值为20
param.setImageQuality(40);
OCR.getInstance(this).recognizeIDCard(param, new OnResultListener
@Override
public void onResult(IDCardResult result) {
if (result != null) {
iv_fanmian.setImageBitmap(null);
fanmianFile = new File(filePath);
Uri image = Uri.fromFile(new File(String.valueOf(fanmianFile)));
Picasso.with(MyZiliaoActivity.this).load(image)
.memoryPolicy(MemoryPolicy.NO_CACHE)
.networkPolicy(NetworkPolicy.NO_CACHE)
.error(R.drawable.zhanwei)
.into(iv_fanmian);
Log.i("反面", result.toString()+fanmianFile.toString());
}
}
@Override
public void onError(OCRError error) {
Toast.makeText(MyZiliaoActivity.this, "识别出错,请查看log错误代码", Toast.LENGTH_SHORT).show();
Log.d("MainActivity", "onError: " + error.getMessage());
}
});
}
private void chepai(final int i, final String filePath) {
final OcrRequestParams param= new OcrRequestParams();
param.setImageFile(new File(filePath));
OCR.getInstance(getActivity()).recognizeLicensePlate(param, new OnResultListener() {
@Override
public void onResult(OcrResponseResult ocrResponseResult) {
// alertText("", result.toString());
if (ocrResponseResult != null) {
String name = ocrResponseResult.getJsonRes();
Gson gson = new Gson();
JsonRootBean jsonBean = gson.fromJson(name, JsonRootBean.class);
et_chepaihao.setText(jsonBean.getWords_result().getNumber());
Log.i("车牌",name+"号码"+et_chepaihao.getText());
iv_photo.setImageBitmap(null);
finalFile = new File(filePath);
Uri image = Uri.fromFile(new File(String.valueOf(finalFile)));
Picasso.with(mActivity).load(image)
.memoryPolicy(MemoryPolicy.NO_CACHE)
.networkPolicy(NetworkPolicy.NO_CACHE)
.error(R.drawable.meiyoushuju)
.into(iv_photo);
Log.i("正面", ocrResponseResult.toString()+finalFile.toString());
}
}
@Override
public void onError(OCRError error) {
iv_photo.setImageBitmap(null);
finalFile = new File(filePath);
Uri image = Uri.fromFile(new File(String.valueOf(finalFile)));
Picasso.with(mActivity).load(image)
.memoryPolicy(MemoryPolicy.NO_CACHE)
.networkPolicy(NetworkPolicy.NO_CACHE)
.error(R.drawable.meiyoushuju)
.into(iv_photo);
// Toast.makeText(mActivity, "识别出错,请查看log错误代码", Toast.LENGTH_SHORT).show();
// Log.d("MainActivity", "onError: " + error.getMessage());
}
});
}
数据回调
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == TAKE_PHOTO) {
if (resultCode == RESULT_OK) {
beginCrop(imageUri, from);
}
}
if (requestCode == CHOOSE_PHOTO) {
if (resultCode == RESULT_OK) {
if (Build.VERSION.SDK_INT >= 19) {
handleImageOnKatKit(data);
} else {
handleImageBeforKatKit(data);
}
}
}
if (requestCode == Crop.REQUEST_PICK) {
if (resultCode == RESULT_OK) {
beginCrop(data.getData(), from);
}
}
if (requestCode == Crop.REQUEST_CROP) {
handleCrop(resultCode, data);
}
// 识别成功回调，网络图片文字识别
if (requestCode == REQUEST_CODE_PICK_IMAGE_FRONT && resultCode == Activity.RESULT_OK) {
Uri uri = data.getData();
String filePath = getRealPathFromURI(uri);
recIDCard(IDCardParams.ID_CARD_SIDE_FRONT, filePath);
}
// if (requestCode == REQUEST_CODE_PICK_IMAGE_BACK && resultCode == Activity.RESULT_OK) {
// Uri uri = data.getData();
// String filePath = getRealPathFromURI(uri);
// recIDCard(IDCardParams.ID_CARD_SIDE_BACK, filePath);
// }
// if (requestCode == REQUEST_CODE_GENERAL_WEBIMAGE && resultCode == Activity.RESULT_OK) {
// RecognizeService.recWebimage(this, FileUtil.getSaveFile(getApplicationContext()).getAbsolutePath(), new
// RecognizeService.ServiceListener() {
// @Override
// public void onResult(String result) {
// infoPopText(result);
// }
// });
//
// }
if (requestCode == REQUEST_CODE_BANKCARD && resultCode == Activity.RESULT_OK) {
if (data != null) {
RecognizeService.recBankCard(this, FileUtil.getSaveFile(getApplicationContext(),3).getAbsolutePath(),
new RecognizeService.ServiceListener() {
@Override
public void onResult(String result) {
recCreditCard(FileUtil.getSaveFile(getApplicationContext(),3).getAbsolutePath());
}
});
}
}
if (requestCode == REQUEST_CODE_CAMERA && resultCode == Activity.RESULT_OK) {
if (data != null) {
String contentType = data.getStringExtra(CameraActivity.KEY_CONTENT_TYPE);
if (!TextUtils.isEmpty(contentType)) {
if (CameraActivity.CONTENT_TYPE_ID_CARD_FRONT.equals(contentType)) {
String filePath1 = FileUtil.getSaveFile(getApplicationContext(),1).getAbsolutePath();
recIDCard(IDCardParams.ID_CARD_SIDE_FRONT, filePath1);
// zhengmianFile = new File(IDCardParams.ID_CARD_SIDE_FRONT, filePath);
// Log.i("身份证",filePath+"文件"+zhengmianFile);
} else if (CameraActivity.CONTENT_TYPE_ID_CARD_BACK.equals(contentType)) {
String filePath2 = FileUtil.getSaveFile(getApplicationContext(),2).getAbsolutePath();
recIDCard1(IDCardParams.ID_CARD_SIDE_BACK, filePath2);
// fanmianFile = new File(IDCardParams.ID_CARD_SIDE_BACK, filePath);
// Log.i("身份证",filePath+"文件"+zhengmianFile);
}
}
}
}
if (requestCode == REQUEST_CODE_LICENSE_PLATE && resultCode == Activity.RESULT_OK) { RecognizeService.recLicensePlate(getActivity(), FileUtil.getSaveFile(mActivity.getApplicationContext()).getAbsolutePath(),new RecognizeService.ServiceListener() {
@Override
public void onResult(String result) {
String filePath1 = FileUtil.getSaveFile(getActivity().getApplicationContext()).getAbsolutePath();
chepai(1,filePath1);
}
});
}