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Tensor1.java
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/* Copyright (c) 2019 FIRST. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted (subject to the limitations in the disclaimer below) provided that
* the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* Neither the name of FIRST nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS
* LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.firstinspires.ftc.teamcode;
import com.qualcomm.robotcore.eventloop.opmode.Disabled;
import com.qualcomm.robotcore.eventloop.opmode.Autonomous;
import com.qualcomm.robotcore.eventloop.opmode.LinearOpMode;
import com.qualcomm.robotcore.eventloop.opmode.TeleOp;
import java.util.List;
import org.firstinspires.ftc.robotcore.external.ClassFactory;
import org.firstinspires.ftc.robotcore.external.hardware.camera.WebcamName;
import org.firstinspires.ftc.robotcore.external.navigation.VuforiaLocalizer;
import org.firstinspires.ftc.robotcore.external.tfod.TFObjectDetector;
import org.firstinspires.ftc.robotcore.external.tfod.Recognition;
/**
* This 2022-2023 OpMode illustrates the basics of using the TensorFlow Object Detection API to
* determine which image is being presented to the robot.
*
* Use Android Studio to Copy this Class, and Paste it into your team's code folder with a new name.
* Remove or comment out the @Disabled line to add this opmode to the Driver Station OpMode list.
*
* IMPORTANT: In order to use this OpMode, you need to obtain your own Vuforia license key as
* is explained below.
*/
@Autonomous(name = "Tensor1: TensorFlow Detection", group = "Concept")
public class Tensor1 extends LinearOpMode {
/*
* Specify the source for the Tensor Flow Model.
* If the TensorFlowLite object model is included in the Robot Controller App as an "asset",
* the OpMode must to load it using loadModelFromAsset(). However, if a team generated model
* has been downloaded to the Robot Controller's SD FLASH memory, it must to be loaded using loadModelFromFile()
* Here we assume it's an Asset. Also see method initTfod() below .
*/
private static final String TFOD_MODEL_ASSET = "PowerPlay.tflite";
private static final String TFOD_MODEL_FILE1 = "/sdcard/FIRST/tflitemodels/model_20220921_171357.tflite";
private static final String TFOD_MODEL_FILE2 = "/sdcard/FIRST/tflitemodels/model_20220921_180652.tflite";
private static final String TFOD_MODEL_FILE3 = "/sdcard/FIRST/tflitemodels/model_20220921_184835.tflite";
/* private static final String[] LABELS = {
"Apple",
"Dolphin",
"Duck"
};*/
private static final String[] LABELS = {
"1 Bolt",
"2 Bulb",
"3 Panel"
};
/*
* IMPORTANT: You need to obtain your own license key to use Vuforia. The string below with which
* 'parameters.vuforiaLicenseKey' is initialized is for illustration only, and will not function.
* A Vuforia 'Development' license key, can be obtained free of charge from the Vuforia developer
* web site at https://developer.vuforia.com/license-manager.
*
* Vuforia license keys are always 380 characters long, and look as if they contain mostly
* random data. As an example, here is a example of a fragment of a valid key:
* ... yIgIzTqZ4mWjk9wd3cZO9T1axEqzuhxoGlfOOI2dRzKS4T0hQ8kT ...
* Once you've obtained a license key, copy the string from the Vuforia web site
* and paste it in to your code on the next line, between the double quotes.
*/
private static final String VUFORIA_KEY =
"AZNwnl7/////AAABmURiFco/PkFlhI2OyrSRbyc+gZQs5mhApXMxyPWBYro4Ln0Z67y6iMun9AiI57pcd+3zNDNM5xpU1qUTR3f+KWr/IDCuFMNezcOVsUScfBq0O0ZsjMToSDlOm/3JeEnxd86cVxqRChgbBWQnXKWu2uEkJ4ncz0oYOUuQygZGSntqdrhQ9mfH9GULWLkbkKmIPaE2mpFPec4sHDz/qKx/nrkIxTjHv06NoiFfDsRHSH8k6JGRl4eMaKD7h2U69y4qgIFxb/SZE5XXFK2mU+dZbxtXkYioSkYiu0nlt9QIv0SZ8rdzQ19anVWBF50DKbbDdXCLOdprK04VQQhwS6WctdSYPy/P445lIKsVG/0i3A1O";
/**
* {@link #vuforia} is the variable we will use to store our instance of the Vuforia
* localization engine.
*/
private VuforiaLocalizer vuforia;
/**
* {@link #tfod} is the variable we will use to store our instance of the TensorFlow Object
* Detection engine.
*/
private TFObjectDetector tfod;
@Override
public void runOpMode() {
// The TFObjectDetector uses the camera frames from the VuforiaLocalizer, so we create that
// first.
initVuforia();
initTfod();
/**
* Activate TensorFlow Object Detection before we wait for the start command.
* Do it here so that the Camera Stream window will have the TensorFlow annotations visible.
**/
if (tfod != null) {
tfod.activate();
// The TensorFlow software will scale the input images from the camera to a lower resolution.
// This can result in lower detection accuracy at longer distances (> 55cm or 22").
// If your target is at distance greater than 50 cm (20") you can increase the magnification value
// to artificially zoom in to the center of image. For best results, the "aspectRatio" argument
// should be set to the value of the images used to create the TensorFlow Object Detection model
// (typically 16/9).
tfod.setZoom(2.5, 16.0/9.0);
}
/** Wait for the game to begin */
telemetry.addData(">", "Press Play to start op mode");
telemetry.update();
waitForStart();
if (opModeIsActive()) {
while (opModeIsActive()) {
if (tfod != null) {
// getUpdatedRecognitions() will return null if no new information is available since
// the last time that call was made.
List<Recognition> updatedRecognitions = tfod.getUpdatedRecognitions();
if (updatedRecognitions != null) {
telemetry.addData("# Objects Detected", updatedRecognitions.size());
// step through the list of recognitions and display image position/size information for each one
// Note: "Image number" refers to the randomized image orientation/number
for (Recognition recognition : updatedRecognitions) {
double col = (recognition.getLeft() + recognition.getRight()) / 2 ;
double row = (recognition.getTop() + recognition.getBottom()) / 2 ;
double width = Math.abs(recognition.getRight() - recognition.getLeft()) ;
double height = Math.abs(recognition.getTop() - recognition.getBottom()) ;
telemetry.addData(""," ");
telemetry.addData("Image", "%s (%.0f %% Conf.)", recognition.getLabel(), recognition.getConfidence() * 100 );
telemetry.addData("- Position (Row/Col)","%.0f / %.0f", row, col);
telemetry.addData("- Size (Width/Height)","%.0f / %.0f", width, height);
}
telemetry.update();
}
}
}
}
}
/**
* Initialize the Vuforia localization engine.
*/
private void initVuforia() {
/*
* Configure Vuforia by creating a Parameter object, and passing it to the Vuforia engine.
*/
VuforiaLocalizer.Parameters parameters = new VuforiaLocalizer.Parameters();
parameters.vuforiaLicenseKey = VUFORIA_KEY;
parameters.cameraName = hardwareMap.get(WebcamName.class, "Webcam 2");
// Instantiate the Vuforia engine
vuforia = ClassFactory.getInstance().createVuforia(parameters);
}
/**
* Initialize the TensorFlow Object Detection engine.
*/
private void initTfod() {
int tfodMonitorViewId = hardwareMap.appContext.getResources().getIdentifier(
"tfodMonitorViewId", "id", hardwareMap.appContext.getPackageName());
TFObjectDetector.Parameters tfodParameters = new TFObjectDetector.Parameters(tfodMonitorViewId);
tfodParameters.minResultConfidence = 0.75f;
tfodParameters.isModelTensorFlow2 = true;
tfodParameters.inputSize = 300;
tfod = ClassFactory.getInstance().createTFObjectDetector(tfodParameters, vuforia);
// Use loadModelFromAsset() if the TF Model is built in as an asset by Android Studio
// Use loadModelFromFile() if you have downloaded a custom team model to the Robot Controller's FLASH.
tfod.loadModelFromAsset(TFOD_MODEL_ASSET, LABELS);
// tfod.loadModelFromFile(TFOD_MODEL_FILE1, LABELS);
// tfod.loadModelFromFile(TFOD_MODEL_FILE2, LABELS);
// tfod.loadModelFromFile(TFOD_MODEL_FILE3, LABELS);
}
}