要从人像模式照片中获取深度图,您可以使用Android Q的CameraX库和Depth API。下面是一个示例代码:
首先,确保您的项目已经添加了以下依赖关系:
implementation 'androidx.camera:camera-camera2:1.0.0-beta09'
implementation 'androidx.camera:camera-lifecycle:1.0.0-beta09'
然后,在您的Activity中,您可以创建一个CameraX实例,并在拍照后获取深度图像:
import androidx.camera.core.CameraX
import androidx.camera.core.ImageAnalysis
import androidx.camera.core.ImageProxy
import androidx.camera.core.Preview
import androidx.camera.lifecycle.ProcessCameraProvider
import androidx.core.content.ContextCompat
import android.graphics.ImageFormat
import android.os.Bundle
import android.util.Log
import android.widget.Toast
import com.google.android.gms.common.ConnectionResult
import com.google.android.gms.common.GoogleApiAvailability
import com.google.android.gms.tasks.Task
import com.google.android.gms.tasks.Tasks
import com.google.android.gms.tasks.TaskExecutors
import com.google.android.gms.tasks.OnCompleteListener
import com.google.android.gms.tasks.OnFailureListener
import com.google.android.gms.tasks.OnSuccessListener
import com.google.android.gms.location.FusedLocationProviderClient
import com.google.android.gms.location.LocationServices
import com.google.android.gms.location.LocationRequest
import com.google.android.gms.location.LocationCallback
import com.google.android.gms.location.LocationResult
import com.google.android.gms.location.LocationAvailability
import com.google.ar.core.ArCoreApk
import com.google.ar.core.AugmentedImageDatabase
import com.google.ar.core.TrackingState
import com.google.ar.sceneform.ArSceneView
import java.io.File
import java.nio.ByteBuffer
public class MainActivity extends AppCompatActivity {
private static final String TAG = "MainActivity"
private ImageAnalysis imageAnalysis;
private ListenableFuture cameraProviderFuture;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
cameraProviderFuture = ProcessCameraProvider.getInstance(this)
cameraProviderFuture.addListener(new Runnable() {
@Override
public void run() {
try {
ProcessCameraProvider cameraProvider = cameraProviderFuture.get()
bindPreview(cameraProvider)
} catch (ExecutionException | InterruptedException e) {
// Handle any errors
}
}
}, ContextCompat.getMainExecutor(this))
}
private void bindPreview(ProcessCameraProvider cameraProvider) {
Preview preview = new Preview.Builder()
.build()
.also(new Consumer() {
@Override
public void accept(Preview preview) {
preview.setSurfaceProvider(previewView.createSurfaceProvider())
}
})
ImageAnalysis imageAnalysis =
new ImageAnalysis.Builder()
.setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST)
.build()
.also(new Consumer() {
@Override
public void accept(ImageAnalysis imageAnalysis) {
imageAnalysis.setAnalyzer(
Executors.newSingleThreadExecutor(),
new ImageAnalysis.Analyzer() {
@Override
public void analyze(ImageProxy imageProxy) {
// 获取深度图像
ByteBuffer depthBuffer = imageProxy.getPlanes()[0].getBuffer()
// 处理深度图像
// ...
// 分析完成后,记得关闭ImageProxy
imageProxy.close()
}
}
)
}
})
CameraSelector cameraSelector = new CameraSelector.Builder()
.requireLensFacing(CameraSelector.LENS_FACING_BACK)
.build()
cameraProvider.bindToLifecycle(this, cameraSelector, preview, imageAnalysis)
}
}
上面的示例使用CameraX库创建了一个预览和ImageAnalysis对象。在ImageAnalysis的分析器中,您可以获取深度图像的ByteBuffer,并在处理完成后关闭ImageProxy。
请注意,这只是一个简单的示例,您可能需要根据自己的需求进行更多的处理和错误处理。
此外,要使用Android Q的深度API,您需要在AndroidManifest.xml中添加以下权限:
然后,在Android Q及更高版本的设备上,您还需要在AndroidManifest.xml中声明特殊的权限:
希望这可以帮助您从人像模式照片中获取深度图像!