262 lines
8.9 KiB
C#
262 lines
8.9 KiB
C#
#if !UNITY_WSA_10_0
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using UnityEngine;
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using UnityEngine.SceneManagement;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using OpenCVForUnity.CoreModule;
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using OpenCVForUnity.ImgcodecsModule;
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using OpenCVForUnity.DnnModule;
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using OpenCVForUnity.ImgprocModule;
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using OpenCVForUnity.UnityUtils;
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namespace OpenCVForUnityExample
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{
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/// <summary>
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/// Lightweight PoseEstimation Example
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/// An example of DNN inference with a lightweight person pose estimation model using the KeypointsModel class.
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/// </summary>
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public class LightweightPoseEstimationExample : MonoBehaviour
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{
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const float inWidth = 256;
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const float inHeight = 256;
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const float inScale = 1.0f / 255f;
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double[] inMean = new double[] { 128.0, 128.0, 128.0 };
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double threshold = 0.1;
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Dictionary<string, int> BODY_PARTS = new Dictionary<string, int>() {
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{ "Nose", 0 }, { "Neck", 1 }, { "RShoulder", 2 }, { "RElbow", 3 }, {
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"RWrist",
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4
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},
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{ "LShoulder",5 }, { "LElbow", 6 }, { "LWrist", 7 }, { "RHip", 8 }, {
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"RKnee",
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9
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},
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{ "RAnkle", 10 }, { "LHip", 11 }, { "LKnee", 12 }, { "LAnkle", 13 }, {
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"REye",
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14
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},
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{ "LEye", 15 }, { "REar", 16 }, { "LEar", 17 }, {
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"Background",
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18
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}
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};
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string[,] POSE_PAIRS = new string[,] {
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{ "Neck", "RShoulder" }, { "Neck", "LShoulder" }, {
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"RShoulder",
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"RElbow"
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},
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{ "RElbow", "RWrist" }, { "LShoulder", "LElbow" }, {
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"LElbow",
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"LWrist"
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},
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{ "Neck", "RHip" }, { "RHip", "RKnee" }, { "RKnee", "RAnkle" }, {
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"Neck",
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"LHip"
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},
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{ "LHip", "LKnee" }, { "LKnee", "LAnkle" }, { "Neck", "Nose" }, {
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"Nose",
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"REye"
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},
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{ "REye", "REar" }, { "Nose", "LEye" }, { "LEye", "LEar" }
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};
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/// <summary>
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/// IMAGE_FILENAME
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/// </summary>
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string IMAGE_FILENAME = "OpenCVForUnity/dnn/COCO_val2014_000000000589.jpg";
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/// <summary>
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/// The image filepath.
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/// </summary>
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string image_filepath;
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/// <summary>
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/// MODEL_FILENAME
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/// </summary>
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string MODEL_FILENAME = "OpenCVForUnity/dnn/lightweight_pose_estimation_201912.onnx";
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/// <summary>
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/// The model filepath.
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/// </summary>
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string model_filepath;
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#if UNITY_WEBGL
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IEnumerator getFilePath_Coroutine;
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#endif
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// Use this for initialization
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void Start()
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{
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#if UNITY_WEBGL
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getFilePath_Coroutine = GetFilePath();
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StartCoroutine(getFilePath_Coroutine);
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#else
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image_filepath = Utils.getFilePath(IMAGE_FILENAME);
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model_filepath = Utils.getFilePath(MODEL_FILENAME);
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Run();
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#endif
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}
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#if UNITY_WEBGL
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private IEnumerator GetFilePath()
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{
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var getFilePathAsync_0_Coroutine = Utils.getFilePathAsync(IMAGE_FILENAME, (result) =>
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{
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image_filepath = result;
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});
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yield return getFilePathAsync_0_Coroutine;
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var getFilePathAsync_1_Coroutine = Utils.getFilePathAsync(MODEL_FILENAME, (result) =>
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{
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model_filepath = result;
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});
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yield return getFilePathAsync_1_Coroutine;
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getFilePath_Coroutine = null;
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Run();
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}
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#endif
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// Use this for initialization
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void Run()
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{
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//if true, The error log of the Native side OpenCV will be displayed on the Unity Editor Console.
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Utils.setDebugMode(true);
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Mat img = Imgcodecs.imread(image_filepath);
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if (img.empty())
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{
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Debug.LogError(IMAGE_FILENAME + " is not loaded. Please read “StreamingAssets/OpenCVForUnity/dnn/setup_dnn_module.pdf” to make the necessary setup.");
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img = new Mat((int)inWidth, (int)inHeight, CvType.CV_8UC3, new Scalar(0, 0, 0));
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}
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//Adust Quad.transform.localScale.
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gameObject.transform.localScale = new Vector3(img.width(), img.height(), 1);
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Debug.Log("Screen.width " + Screen.width + " Screen.height " + Screen.height + " Screen.orientation " + Screen.orientation);
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float imageWidth = img.width();
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float imageHeight = img.height();
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float widthScale = (float)Screen.width / imageWidth;
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float heightScale = (float)Screen.height / imageHeight;
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if (widthScale < heightScale)
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{
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Camera.main.orthographicSize = (imageWidth * (float)Screen.height / (float)Screen.width) / 2;
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}
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else
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{
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Camera.main.orthographicSize = imageHeight / 2;
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}
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Net net = null;
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if (string.IsNullOrEmpty(model_filepath))
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{
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Debug.LogError(MODEL_FILENAME + " is not loaded. Please read “StreamingAssets/OpenCVForUnity/dnn/setup_dnn_module.pdf” to make the necessary setup.");
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}
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else
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{
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net = Dnn.readNet(model_filepath);
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}
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if (net == null)
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{
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Imgproc.putText(img, "model file is not loaded.", new Point(5, img.rows() - 30), Imgproc.FONT_HERSHEY_SIMPLEX, 0.7, new Scalar(255, 255, 255), 2, Imgproc.LINE_AA, false);
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Imgproc.putText(img, "Please read console message.", new Point(5, img.rows() - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 0.7, new Scalar(255, 255, 255), 2, Imgproc.LINE_AA, false);
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}
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else
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{
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KeypointsModel keypointsModel = new KeypointsModel(net);
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keypointsModel.setInputScale(inScale);
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keypointsModel.setInputSize(new Size(inWidth, inHeight));
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keypointsModel.setInputMean(new Scalar(inMean));
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keypointsModel.setInputSwapRB(false);
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keypointsModel.setInputCrop(false);
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List<Point> points = keypointsModel.estimate(img, (float)threshold).toList();
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for (int i = 0; i < POSE_PAIRS.GetLength(0); i++)
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{
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string partFrom = POSE_PAIRS[i, 0];
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string partTo = POSE_PAIRS[i, 1];
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int idFrom = BODY_PARTS[partFrom];
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int idTo = BODY_PARTS[partTo];
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if (points[idFrom] != null && points[idTo] != null)
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{
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Imgproc.line(img, points[idFrom], points[idTo], new Scalar(0, 255, 0), 3);
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Imgproc.ellipse(img, points[idFrom], new Size(3, 3), 0, 0, 360, new Scalar(0, 0, 255), Core.FILLED);
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Imgproc.ellipse(img, points[idTo], new Size(3, 3), 0, 0, 360, new Scalar(0, 0, 255), Core.FILLED);
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}
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}
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MatOfDouble timings = new MatOfDouble();
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long t = net.getPerfProfile(timings);
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Debug.Log("t: " + t);
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Debug.Log("timings.dump(): " + timings.dump());
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double freq = Core.getTickFrequency() / 1000;
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Debug.Log("freq: " + freq);
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Imgproc.putText(img, (t / freq) + "ms", new Point(10, img.height() - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 0.6, new Scalar(0, 0, 255), 2);
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net.Dispose();
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}
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Imgproc.cvtColor(img, img, Imgproc.COLOR_BGR2RGB);
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Texture2D texture = new Texture2D(img.cols(), img.rows(), TextureFormat.RGBA32, false);
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Utils.matToTexture2D(img, texture);
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gameObject.GetComponent<Renderer>().material.mainTexture = texture;
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Utils.setDebugMode(false);
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}
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// Update is called once per frame
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void Update()
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{
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}
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/// <summary>
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/// Raises the disable event.
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/// </summary>
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void OnDisable()
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{
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#if UNITY_WEBGL
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if (getFilePath_Coroutine != null)
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{
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StopCoroutine(getFilePath_Coroutine);
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((IDisposable)getFilePath_Coroutine).Dispose();
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}
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#endif
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}
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/// <summary>
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/// Raises the back button click event.
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/// </summary>
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public void OnBackButtonClick()
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{
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SceneManager.LoadScene("OpenCVForUnityExample");
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}
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}
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}
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#endif |