3d 相关问题

我只是使用mediapipe姿势的裸代码： <p>我只是使用mediapipe姿势的裸代码：</p> <pre><code><!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="https://cdn.jsdelivr.net/npm/@mediapipe/camera_utils/camera_utils.js" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/@mediapipe/control_utils/control_utils.js" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/@mediapipe/control_utils_3d/control_utils_3d.js" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/@mediapipe/drawing_utils/drawing_utils.js" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/@mediapipe/pose/pose.js" crossorigin="anonymous"></script> </head> <body> <div class="container"> <video class="input_video"></video> <canvas class="output_canvas" width="1280px" height="720px"></canvas> <div class="landmark-grid-container"></div> </div> <script type="module"> const videoElement = document.getElementsByClassName('input_video')[0]; const canvasElement = document.getElementsByClassName('output_canvas')[0]; const canvasCtx = canvasElement.getContext('2d'); const landmarkContainer = document.getElementsByClassName('landmark-grid-container')[0]; const grid = new LandmarkGrid(landmarkContainer); function onResults(results) { if (!results.poseLandmarks) { grid.updateLandmarks([]); return; } canvasCtx.save(); canvasCtx.clearRect(0, 0, canvasElement.width, canvasElement.height); canvasCtx.drawImage(results.segmentationMask, 0, 0, canvasElement.width, canvasElement.height); // Only overwrite existing pixels. canvasCtx.globalCompositeOperation = 'source-in'; canvasCtx.fillStyle = '#00FF00'; canvasCtx.fillRect(0, 0, canvasElement.width, canvasElement.height); // Only overwrite missing pixels. canvasCtx.globalCompositeOperation = 'destination-atop'; canvasCtx.drawImage( results.image, 0, 0, canvasElement.width, canvasElement.height); canvasCtx.globalCompositeOperation = 'source-over'; drawConnectors(canvasCtx, results.poseLandmarks, POSE_CONNECTIONS, {color: '#00FF00', lineWidth: 4}); drawLandmarks(canvasCtx, results.poseLandmarks, {color: '#FF0000', lineWidth: 2}); canvasCtx.restore(); grid.updateLandmarks(results.poseWorldLandmarks); } const pose = new Pose({locateFile: (file) => { return `https://cdn.jsdelivr.net/npm/@mediapipe/pose/${file}`; }}); pose.setOptions({ modelComplexity: 1, smoothLandmarks: true, enableSegmentation: true, smoothSegmentation: true, minDetectionConfidence: 0.5, minTrackingConfidence: 0.5 }); pose.onResults(onResults); const camera = new Camera(videoElement, { onFrame: async () => { await pose.send({image: videoElement}); }, width: 1280, height: 720 }); camera.start(); </script> </body> </html> </code></pre> <p>我想像 snapchat 一样渲染为过滤器，但渲染到整个身体。以下是一些参考资料：<a href="https://youtu.be/NL5NHq6tKLM?t=111" rel="nofollow noreferrer">https://youtu.be/NL5NHq6tKLM?t=111</a> <- want something like that</p> <p>和一些有用的链接：<a href="https://google.github.io/mediapipe/solutions/pose.html" rel="nofollow noreferrer">https://google.github.io/mediapipe/solutions/pose.html</a></p> <p>如果您也可以给我发送一些有用的链接或视频，那就太好了</p> </question> <answer tick="false" vote="0"> <p>我可能晚了几年，但你可以尝试一下 Kalidokit。从视频来看，他们似乎正在使用它。</p> <p>这里是参考：<a href="https://github.com/yeemachine/kalidokit" rel="nofollow noreferrer">https://github.com/yeemachine/kalidokit</a></p> </answer> </body></html>

javascript 3d mediapipe

回答 0 投票 0

修复 cpp sdl2 中纹理三角形的问题

我制作了自己的体素引擎，当我在 trinagle 上设置纹理时，它看起来很奇怪并且不正确这是我的三角形渲染代码：顶点[0].position.x = draw_face.point0.x; 顶点[0].position.y = 绘制...

c++ 3d sdl sdl-2 3d-engine

回答 1 投票 0

如何解决 NumPy 中的“ValueError”

这是我的代码：将 numpy 导入为 np 从 matplotlib 导入 pyplot 作为 plt 从 matplotlib.colors 导入 LinearSegmentedColormap X = np.empty([10,150]) Y = np.empty([10,150]) Z = np.empty([10,150]) ...

python matplotlib plot 3d

回答 1 投票 0

PCL 在添加到查看器之前变换纹理网格

使用 PCL，我将纹理 OBJ 文件加载到 pcl::TextureMesh，并使用viewer->addTextureMesh() 函数在 pcl 查看器中将其可视化。在可视化网格之前，我需要对其进行变换。对于

graphics 3d textures mesh point-cloud-library

回答 1 投票 0

将索引插入到 PCL 库中的 pcl::octree::OctreePointCloudSearch<pcl::PointXYZ>

我正在尝试使用 pcl::octree::OctreePointCloudSearch 八叉树对点云进行分区和执行一些操作。在该方法中，它提供了一个公共函数，名为

c++ 3d geometry point-cloud-library point-clouds

回答 1 投票 0

如何将四元数改为世界坐标中的旋转矩阵

我正在尝试转换点云以进行注册。我有四元数，但是当我使用点云库进行转换时。它似乎在局部坐标中变换点云而不是