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package org.tensorflow.demo;
import android.graphics.Bitmap;
import android.graphics.RectF;
import java.util.List;
/**
* Generic interface for interacting with different recognition engines.
*/
public interface Classifier {
/**
* An immutable result returned by a Classifier describing what was recognized.
*/
public class Recognition {
/**
* A unique identifier for what has been recognized. Specific to the class, not the instance of
* the object.
*/
private final String id;
/**
* Display name for the recognition.
*/
private final String title;
/**
* A sortable score for how good the recognition is relative to others. Higher should be better.
*/
private final Float confidence;
/**
* Optional location within the source image for the location of the recognized object.
*/
private final RectF location;
public Recognition(
final String id, final String title, final Float confidence, final RectF location) {
this.id = id;
this.title = title;
this.confidence = confidence;
this.location = location;
}
public String getId() {
return id;
}
public String getTitle() {
return title;
}
public Float getConfidence() {
return confidence;
}
public RectF getLocation() {
return new RectF(location);
}
@Override
public String toString() {
String resultString = "";
if (id != null) {
resultString += "[" + id + "] ";
}
if (title != null) {
resultString += title + " ";
}
if (confidence != null) {
resultString += String.format("(%.1f%%) ", confidence * 100.0f);
}
if (location != null) {
resultString += location + " ";
}
return resultString.trim();
}
}
List<Recognition> recognizeImage(Bitmap bitmap);
void close();
}
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