Yolov8 polygon.

Yolov8 polygon def polygon_non_max_suppression : Runs Non-Maximum Suppression (NMS) on inference results for polygon boxes Sep 30, 2023 · Search before asking I have searched the YOLOv8 issues and discussions and found no similar questions. The bounding polygon is detected within a polar grid with relative coordinates that allow the network to learn general, size-independent shapes. Masks: Offer pixel-level detail, used in semantic segmentation to differentiate objects from the background. In this guide, we only import bounding boxes, polygons, and segment masks that match the ontology we created earlier. 一、本文介绍. The following functions handle Jul 17, 2020 · In this article, I would like to explain details about our new CNN network called Poly-YOLO, its principles and how to use it in a step by step manner to detect and classify objects via Mar 20, 2023 · Mixing rectangular and polygon bounding boxes in one dataset for training with YOLOv8 won't directly affect the model's accuracy. Aug 15, 2023 · # Import Supervision import supervision as sv # Convert each polygon in the array of polygons to masks masks = [ sv. 3. 9. These files are specifically designed to facilitate training models with YOLOv8 for image segmentation tasks. Feb 6, 2024 · To label with the polygon tool, select the polygon icon in the left sidebar, or press P on your keyboard. Polygons also unlock wholly new augmentations like copy/paste, which we covered in our tutorial on synthetic dataset generation for computer vision. But now some models like YOLOv7 and YOLOv8 can actually utilize the additional information in polygon annotations to train better object detectors. Hello，各位读者，最近会给大家发一些进阶实战的讲解，如何利用YOLOv8现有的一些功能进行一些实战， 让我们不仅会改进YOLOv8，也能够利用YOLOv8去做一些简单的小工作，后面我也会将这些功能利用 PyQt 或者是 pyside2 做一些小的界面给大家使用。 Feb 27, 2023 · In this tutorial, we are going to train a YOLOv8 instance segmentation model using the trainYOLO platform on a custom dataset. We will also discuss the use of augmentations with polygon annotations and using pretrained weights to further boost performance. How to install YOLOv8. The parent polygon points are sorted in clockwise order. This is because the model trains on mask images, which represent instance segmentation as a binary mask where each pixel is 1 or 0 to indicate whether it belongs to the object of interest or not. Jan 4, 2024 · export polygon data for yoloV8. pt, yolov8s-seg. To get the polygons for each detected object, you can loop through the masks returned by the YOLOv8 model and process each mask individually. pt') cap = cv2. txt format, removing entries with a label value of 255. If this is a 🐛 Bug Report, please provide a minimum reproducible example to help us debug it. Thank you for reaching out and providing a detailed description of your issue along with the code snippets. 1. counts : A count of objects detected within the region. disregard the frame_check if you want to track every frame . Interpreting YOLOv8 Results. 6k次，点赞23次，收藏125次。本文对YOLOv8-seg预测的后处理代码进行示例解读。图像先预处理再输入模型得到预测结果，之后对检测结果进行置信度和NMS处理，筛选有效目标和mask，最后经颜色处理和图像重构恢复到原图像大小并带有mask信息，还详细解读了各模块代码。 更多信息 c. Mar 15, 2024 · YOLOv8 label format is an evolution from earlier versions, incorporating improvements in accuracy and efficiency. YOLOv8 uses rectangular bounding boxes for detection, so polygons would need to be converted to their bounding rectangle equivalents before training. Feb 26, 2024 · By addressing issues related to consistency, ambiguity, scalability, and quality control, among others, you can enhance the effectiveness of your YOLOv8 implementation YOLOv8 Annotation Format. Apr 18, 2024 · 路径： 事务代码：ob29 spro-img-财务会计-财务会计全局设置-分类账-会计年度和过账期间-维护会计年度变式 日历年度:标志是否以公历年确定期间； 过账期间数：一般有12个普通过账期间 特殊期间数目：特别期间表示上个普通的过账期间的延长时间。 Jan 31, 2024 · 文章浏览阅读5. The polygon should be in the form of [N, 2], where N is the number of (x, y) points defining the polygon contour. Indeed, YOLOv8 calculates that bounding box before training. Real-World Applications. OBB detection with YOLO11 has numerous practical applications across various industries: Maritime and Port Management: Detecting ships and vessels at various angles for fleet management and monitoring. Sep 30, 2024 · Over the past two months, I’ve been working on training a YOLOv9 model to detect various elements in architectural plans. YOLO11 generally shows improved mAP and faster CPU inference speeds with fewer parameters and FLOPs compared to its YOLOv8 counterparts. export data as yolo polygon annotation (for YOLOv5 & YOLOV8 segmentation) Now you can choose the output format of the label text. Jan 14, 2024 · YOLOv8 is primarily designed for object detection with bounding boxes and does not natively support polygon detection tasks out of the box. xy 看看 预测模式的掩码部分. I think it worked fine when last I exported in December. Jul 7, 2023 · In YOLOv8-seg, when converting polygonal segmentation annotations to bounding boxes, the typical approach is to calculate the axis-aligned minimum bounding rectangle that encompasses all points of the polygon, including disconnected parts. Reload to refresh your session. jpg and located in the current folder with the notebook: May 31, 2024 · Polygons: Provide more precise object outlines suitable for instance segmentation tasks. Happy training! 🚀 Feb 8, 2023 · Search before asking I have searched the YOLOv8 issues and discussions and found no similar questions. May 6, 2024 · The issue is the YOLOv8 output of the labels plotting looks weird. Description Hi guys, I'm just wondering of what could be the likelihood of discussing the OBB support f Apr 8, 2022 · You need to create a contour (a list of points) for each shape. I also thought about using shapely, but it has restrictions on the Polygon classes, which I think will be a problem in some cases. Search before asking I have searched the YOLOv8 issues and discussions and found no similar questions. Asking for help, clarification, or responding to other answers. If issues persist, double-check the mask filenames and formats. xy correspond to the boundary of the object segmented by YOLOv8. txt format. 추천하는 설치방식은 pip라고 하니 그대로 따라한다. Keypoints: Identify specific points of interest within an image, useful for tasks like pose estimation and facial landmark detection. Jun 1, 2023 · Yes, the polygon vertex coordinates returned by output. The table below provides a detailed comparison of object detection performance for different YOLO11 and YOLOv8 variants on the COCO val2017 dataset. Description. In this notebook, you will use PolygonZone with Roboflow Supervision to draw polygons on a video frame. May 3, 2025 · Flexible Region Definition: The solution allows you to define multiple custom regions as polygons, rectangles, or lines to suit your specific monitoring needs. With Smart Polygon enabled, you can click on an object to create a polygon annotation. cvtColor(frame, cv2. You've highlighted an important aspect of instance segmentation in real-world scenarios, where occlusions indeed occur frequently, necessitating the capability to represent one instance with multiple separated mask regions. Apr 9, 2021 · The YOLO you are using very likely only has square annotation support. Implementing YOLOv8 for building segmentation in aerial satellite images, training it using Roboflow’s annotated data, and converting the results into shape files is a comprehensive Apr 13, 2023 · In this article, we'll cover the basics of YOLOv8, Irregularities cannot be mapped clearly with polygon anchor boxes. I do have the data as polygons only in json, and I extracted/created the bbox from the polygons (since YOLO requires the bbox coord. Aug 1, 2024 · In this paper, a YOLOv8-CM framework is proposed, which integrates You Only Look Once v8 (YOLOv8) and Convolutional Block Attention Module (CBAM) to automate the detection and segmentation of various defects and other critical objects in tunnels. To use polygonal masks can I suggest switching to use YOLOv3-Polygon or YOLOv5-Polygon Feb 27, 2024 · 👋 Hello @LeiaJ520, thank you for your interest in Ultralytics YOLOv8 🚀!We recommend a visit to the Docs for new users where you can find many Python and CLI usage examples and where many of the most common questions may already be answered. Whether you're dealing with simple bounding boxes or more detailed polygons, the tool is built to help you get the job done faster and more accurately. May 12, 2023 · Please help me to calculate IoU for Polygon Segmentation of images segmented by yolov8 segment module. Common datasets used with YOLOv8 include COCO (Common Objects in Context), VOC (Visual Object Classes), and custom datasets tailored to specific use cases. This is my code: Jul 19, 2023 · In this blog post, we will explore how you can improve your object detection model performance by converting your bounding box annotations to polygon annotations. 2. You will get an array of shape [channels, w, h]. Feb 1, 2024 · I have searched the YOLOv8 issues and found no similar feature requests. However, you can use the segmentation capabilities of YOLOv8 to create masks for objects, which can then be post-processed to approximate polygon shapes by fitting polygons to the segmented masks. We’ll use a pre-trained YOLOv8 model to run inference and detect people. Poly-YOLO is based on the following Aug 26, 2024 · export data as yolo polygon annotation (for YOLOv5 & YOLOV8 segmentation) Now you can choose the output format of the label text. pip install ultralytics. Coordinates. txt files formatted for YOLO. However, since I also need to detect oriented elements, I decided to train a YOLOv8-OBB (oriented bounding box) model. Regarder : Ultralytics YOLOv8 Aperçu du modèle Principales caractéristiques de YOLOv8. Since YOLOv8 is not designed for polylines, there isn't a specific annotation format for them. Like the traditional YOLOv8, the segmentation variant supports transfer learning, allowing the model to adapt to specific domains or classes with limited annotated data. While predicting polygonal bounding boxes with YOLOv8 is currently not directly supported, it can be achieved through post-processing techniques like the Minimum Bounding Box (MBB) algorithm or polygon fitting methods applied to the predicted Feb 17, 2023 · I’m trying to find the corners of a polygon segmentation that was made with Yolov8, as in this image: chessboard segmentation. See this video showing square vs polygon quality of results for detection, and the problem of annotation time required to create custom data sets. 0. Jul 4, 2023 · Also, all the same models for segmentation available: yolov8n-seg. YOLOv8 supports a wide range of annotations. Despite using the same dataset and hyperparameters, the YOLO-OBB model is showing significantly lower Mar 29, 2023 · im checking if a object is inside a polygon with the following code . py via cpu or cuda 9. YOLOv9 introduces innovative methods like Programmable Gradient Information (PGI) and the Generalized Efficient Layer Aggregation Network (GELAN). Contribute to ultralytics/JSON2YOLO development by creating an account on GitHub. How to use. Jan 11, 2024 · import json import base64 from PIL import Image import io import torch import numpy as np from ultralytics import YOLO import supervision as sv from skimage. Oct 26, 2023 · 文章浏览阅读8. int32 以兼容 drawContours() 从 OpenCV. The network is trained to detect size-independent polygons defined on a polar grid. The bounding box is represented by four values: the x and y coordinates of the box’s center, its width, and its height. To install the ultralytics pip package, run the following command: pip install "ultralytics<=8. Stay proactive in adopting the latest tools and techniques, and always prioritize the quality of your annotations for optimal object detection results. Convert a single polygon (as a list) to a binary mask of the specified image size. im skiping frames to check every second instead of every frame. 数据集 使用的数据集较简单，主要以下目录: images:存放原始图片(1500张)，大小为128x128。部分如下: i Apr 4, 2024 · 解决训练过程中出现的警告：我从Roboflow标注网站的开源数据集中收集数据的时候，我发现获得的数据集中不会自动分开分割集与检测数据集（Polygon与Bounding Box类型的标注混杂在一起）导致Yolov8运行的时候自动抛弃分割数据标注部分，导致数据集大量空缺，模型精度大幅下降（Polygon部分被抛弃 Jan 15, 2023 · My first approach was to build an image mask using PIL. measure import approximate_polygon, find_contours def to_cvat_mask(box: list, mask): xtl, ytl, xbr, ybr = box flattened = mask[ytl:ybr + 1, xtl:xbr + 1]. Once training is complete, it’s time to dive into the results. 在这里，这些值被转入 np. py, you can convert the RLE mask with holes to the YOLO segmentation format. New Features. Then, trace a box around the object of interest. These polygons can be used to calculate the area of each object, which can in turn be used to measure its size. Nov 4, 2023 · yolov8是yolo模型系列的最新一代，拥有更高的速度与精度。相比前代，yolov8优化了模型结构，使其更适合实时处理任务。yolov8提供了出色的检测效果，因此适用于包括视频目标检测在内的多种应用场景。 You signed in with another tab or window. 10. I‘m sharing my experience, YoloV8 region counter with drag extended to polygonal region counter with draw and drag. Question In segmentation, if I use the annotation in rle or mask format, but not polygon, how should I convert it to a format that yol Format Type Computer Vision Task Models Shapes Attributes Video Tracks; CamVid 1. 3k次，点赞14次，收藏20次。文章讲述了在使用Yolov8时遇到的警告，即Polygon和BoundingBox标注混合导致数据不兼容。作者提供了两种方法：一是筛选出分割标注并移动到单独文件夹，二是将分割标注转换为box标注格式以适应模型训练。 This script is tailored to assist CVAT users in converting segmentation masks created within the CVAT annotation tool into polygon . 8. tolist() flattened. You signed in with another tab or window. ai, Create polygons containing those objects. Each cell is responsible for predicting bounding boxes and their corresponding class probabilities. YOLOv8 (2023): YOLOv8, created by Glenn Jocher and Ultralytics, is the most advanced version yet. Copy the points below, formatted as NumPy arrays, into your Python code. Whether you're detecting shapes in aerial imagery, identifying objects in real-time video streams, or any other computer vision application, YOLOv8's flexibility is a significant asset. If you have time to label polygons it might be worth it. in the labels) and then I put the labels in YOLO structure. You would need to modify the loss function, the network architecture, and the post-processing code to handle polygons instead of rectangl Jul 14, 2022 · Polygons give your object detection model the best of both worlds: tightly fitting annotations in a variety of orientations and perspectives. py scripts. ndarray]): A list of polygons. I need to be able to export the polygon coordinates of the mask. It uses cutting-edge deep learning techniques that make it ideal for tasks like autonomous driving and advanced security systems. Feb 16, 2024 · This tool can also be used for YOLOv5/YOLOv8 segmentation datasets, if you have already made your segmentation dataset with LabelMe, it is easy to use this tool to help convert to YOLO format dataset. polygon_to_mask(p,(width,height)) for p in polygons ] Our polygons array is an ndarray for multiple polygons, which is why we iterate through the polygons array. May 3, 2025 · Learn how to efficiently train object detection models using YOLO11 with comprehensive instructions on settings, augmentation, and hardware utilization. Once you have the rectangle, then you you can figure out X, Y, W, an Feb 2, 2023 · I want to integrate OpenCV with YOLOv8 from ultralytics, so I want to obtain the bounding box coordinates from the model prediction. That roughly worked, but it doesn't always work, depending on the shape of the segments. May 25, 2024 · Yolov8 developed by ultralytics is a state of the art model which can be used for both real time object detection and instance segmentation. Each polygon is an array with shape [N, M], where N is the number of polygons, and M is the number of points such that M % 2 = 0. Jan 28, 2024 · YOLOv8 is primarily designed for object detection with bounding boxes. YOLOv8 was released by Ultralytics on January 10th, 2023, offering cutting-edge performance in terms of accuracy and speed. Mar 25, 2025 · polygons (list[np. Click where you want to add the first point of your polygon on the image. Nov 3, 2023 · Hello everyone, I’m trying to learn YoloV8 annotation syntax in order to build a tool for object detection model and here is what I got : The format is supposed to be classId,centerX,centerY,width,height but the thing is when I export a dataset from roboflow as TXT Format for YoloV8, I get way more values than expected : I tried to identify one of the values using scales, and it appears that . Nov 22, 2023 · @menggui1993 hello, thank you for bringing up this feature request regarding the handling of multiple polygons for single-instance segmentation in YOLOv8. It's great to see your effort in hosting the YOLOv8-segmentation model on a Triton server and working through the post-processing steps. Poly-YOLO is based on the following Oct 8, 2024 · 1. Furthermore, we devised an algorithm that reduces overfitting in regression loss. python cli tracking machine-learning computer-vision deep-learning hub pytorch yolo image-classification object-detection pose-estimation instance-segmentation ultralytics rotated-object-detection yolov8 segment-anything yolo-world yolov10 yolo11 Nov 21, 2023 · Now focus on our region based counter using yolov8. pt, yolov8t-seg. . I have tried both “YOLOv8 Oriented Bounding Boxes” and “YOLOv8”, but either of them seem to convert the polygons to oriented bounding boxes. followed by the polygon points that outlines the Apr 2, 2023 · How can I convert the annotations of a solar panel dataset, which are currently in a JSON format, to be compatible with the YOLO model for use in my deep learning projects? The dataset includes both May 3, 2023 · Extract the people segmentations using the bbox classes. You signed out in another tab or window. Learn more about image labeller, image segmentation, image labeler segmentation polygon Hi all, I've segmented and labeled a large collection of images in MATLAB Image Labeler, so i have the gTruth file and also a png for each image that contains the plygon info for each catagory. While you can train both locally or using cloud providers like AWS or GCP, we will use our preconfigured google Colab notebooks. You switched accounts on another tab or window. extend([xtl, ytl, xbr, ybr]) return flattened def init Mar 22, 2023 · Is YOLOv8 suitable for real-time object detection applications? YOLOv8 is designed to run efficiently on standard hardware, making it a viable solution for real-time object detection tasks, also May 9, 2024 · The most current version, the YOLOv8 model, includes out-of-the-box support for object detection, classification, and segmentation tasks accessible via a command-line interface as well as a Python However, YOLOv8 requires a different format where objects are segmented with polygons in normalized coordinates. To enable Smart Polygon, click the cursor icon in the right sidebar. Repeat this process for all images in your dataset. Method 2: Import into supervision and export from the mask property YOLOv8 是什么？它与以前的YOLO 版本有何不同？ YOLOv8 旨在通过先进的功能提高实时目标检测性能。与早期版本不同的是，YOLOv8 采用了无锚点分离式Ultralytics 头、最先进的骨干和颈部架构，并优化了精度与速度之间的权衡，使其 Mar 20, 2025 · See full export details in the Export page. flat[:]. Dec 26, 2023 · Search before asking I have searched the YOLOv8 issues and found no similar feature requests. Question Omitting the bbox from the segmentation results for improving the performance . This model has performed exceptionally well. yaml dataset. Mosaic Data Augmentation. read() img = cv2. We're excited to announce the launch of our latest state-of-the-art (SOTA) object detection model for 2023 - YOLOv8 🚀! Designed to be fast, accurate, and easy to use, YOLOv8 is an ideal choice for a wide range of object detection, image segmentation and image classification tasks. Feb 22, 2023 · Using the script general_json2yolo. The developers of YOLOv8 decided to break away from the standard YOLO project design : separate train. These coordinates represent a list of (x, y) positions that outline the object boundary. python環境が入っていれば以下のコマンドを実行するだけでインストールされます。 👋 Hello @rzamarefat, thank you for your interest in YOLOv8 🚀! We recommend a visit to the YOLOv8 Docs for new users where you can find many Python and CLI usage examples and where many of the most common questions may already be answered. Make sure your dataset is prepared with the appropriate mask annotations, and you can proceed with training your model for segmentation. I'm afraid if I m missing something in the processing of the data, however my own Feb 11, 2024 · YOLOv8 processes images in a grid-based fashion, dividing them into cells. set(3, 640) cap. VideoCapture(0) cap. ge Dec 1, 2023 · YOLOv8 supports training with masks, which can be more convenient for certain types of objects where creating masks is easier than annotating with polygons. This notebook accompanies the "Calculate Polygon Coordinates with PolygonZone" tutorial on the Roboflow blog. Aug 19, 2023 · At the moment, YOLOv8 is designed to predict standard rectangular bounding boxes for detected objects. Jul 19, 2024 · 文章浏览阅读2. - suhanisuha/YOLOv8_Segmentation Sep 16, 2024 · As YOLOv8 trains, it learns from your annotations, where clear and consistent annotations result in faster, more accurate model performance. Pro Tip: Use GPU Acceleration Apr 1, 2025 · Explore Ultralytics YOLOv8 Overview. Therefore, the JSON files from the Cityscapes dataset need to be converted to . Jan 22, 2024 · 👋 Hello @kewchi, thank you for your interest in Ultralytics YOLOv8 🚀!We recommend a visit to the Docs for new users where you can find many Python and CLI usage examples and where many of the most common questions may already be answered. Learn about predict mode, key features, and practical applications. The New YOLOv8 API. set(4, 480) while True: _, frame = cap. Apr 10, 2025 · Learn more about YOLOv8. YOLOv8 provides a wealth of information to help you understand how well your model performs. With this you can determine how long the object stayed inside the polygon and when was seen for the first time and the last time (in/out) hope it helps . Vertices of each polygon are being predicted with their confidence and therefore Poly-YOLO produces polygons with a varying number of vertices. Train YOLOv8 model Once you have labeled enough images, you can start training your YOLOv8 model. PolygonZone lets you calculate polygon points in an image. Jan 27, 2023 · Search before asking I have searched the YOLOv8 issues and found no similar feature requests. Oct 24, 2023 · Moveable Regions: Once coordinates for a region are set and inference with the YOLOv8 region counting module is initiated, YOLOv8 permits real-time adjustments, meaning regions can be repositioned on-the-fly without delving into code edits. Feb 7, 2024 · 一、本文介绍. Mar 1, 2024 · The YOLOv8 Dataset Format should cover a wide range of scenarios and object categories to ensure the model’s generalization across various real-world applications. Jun 8, 2023 · By the way, @glenn-jocher, I can confirm after several tests that the bounding box information containing the polygon points of the mask is not needed. COLOR_BGR2RGB) results = model. Then you can use any over the channel dimension (which is equal to the number of people) to flatten the multi-channel array into a single channel array. In this guide, we will walk through how to train a YOLOv8 oriented bounding box detection model. These polygons will be used as zones in which predictions will be grouped. 40" Step 2: Calculate Coordinates for a Polygon Zone Feb 19, 2022 · The number of maximal polygon vertices can be adjusted according to the requirement of precision. . For all examples, I will use the image with cat and dog, that named cat_dog. py, detect. This package contains the code for YOLOv8. export data as yolo polygon annotation (for YOLOv8 segmentation) Existing Structure (YOLOv5 v7. png: Semantic Segmentation: U-Net, SegNet, DeepLab, PSPNet, FCN, Mask R-CNN, 本人硕士的研究方向是目标检测，采用模型是yolov8，数据集是VisDrone2019，适用于小目标航拍图像检测。结合了官方使用文档和b站岩学长的视频讲解，教了如何更改模型，添加新模块到yolov8中，以及如何修改yaml配置文件。 Sep 21, 2023 · 以下、アノテーションデータの作成をYOLOv8と、labelImgを使って行う場合のそれぞれのツールの使い方について説明します。 yolov8のインストール. \yolov8\ultralytics\nn\__init__. Mar 20, 2025 · Check the Configuration page for more available arguments. There are two versions of Smart Polygon: Standard, which is ideal for small items; Enhanced, which is ideal for most use cases; Let's use Enhanced Smart Polygon to label solar panels. Therefore, we go to the model's tab and choose the YOLOv8 notebook by clicking on the green ‘plus’ icon. This article takes a close look at the fascinating world of YOLOv8 object tracking, offering a thorough understanding of its application in object tracking and counting. pt, yolov8m-seg. 基于yolov8实现多边形分割任务，效果还阔以。。。, 视频播放量 96、弹幕量 0、点赞数 3、投硬币枚数 0、收藏人数 0、转发人数 0, 视频作者 钢铁侠的铜锤子, 作者简介 ，相关视频：toys-yolov8，工程车模型玩具识别-yolov8，20车调度，YOLO标注工具，现已支持yolov12，智能救援--yolov10，【从入门到精通】YOLO Jun 26, 2024 · 1、yolov8垃圾检测，包含训练好的垃圾检测检测权重以及PR曲线，loss曲线等等，map达90% 多，垃圾检测数据集中训练得到的权重，可检测的垃圾类别为瓶子、罐子、烟头、餐盒、易拉罐、垃圾袋等多种垃圾，并附垃圾检测 This project uses YOLOv8 to perform tasks like classification, detection, and segmentation in medical images through a user-friendly interface. It used to be that polygons were for segmentation and boxes were for object detection. The ground truth mask has been obtained after converting json file to mask (using shape_to_mask() utility function). Q#2: How do I create YOLOv8-compatible labels for my dataset? To create YOLOv8-compatible labels, you need to annotate your images or videos with bounding boxes around objects of interest. Drop an image to the indicated area; Select the desired mode: Press L to draw a line, or P to draw a polygon; Click to draw polygon points. Dec 8, 2023 · detection model named Poly-YOLOv8, incorporating YOLOv8 and a new polygon detec-tion head. The two available alternatives are polygon and bounding box( bbox ). Plus, for those less technically inclined, a simple drag of the mouse suffices. This feature script will take as input a coco JSON file and convert it into OBB format. txt . Jun 12, 2024 · Hi @dhouib-akram,. The JSON file is the annotated pixel coordinates Aug 16, 2023 · Conclusion. 5k次，点赞8次，收藏49次。针对不规则多边形检测，传统yolov7不能很好的对不规则物体进行检测，本文通过polygon-yolov7来缓解此问题，首先通过标记自己的数据集然后训练polygon-yolov7，并进行项目部署_yolo 非规则 Jan 30, 2024 · In the realm of computer vision, YOLOv8 object tracking is revolutionizing the way we approach real-time tracking and analysis of moving objects. Multi-class Support: Count different object types simultaneously within the same regions, providing comprehensive analytics. Performance Comparison. What is the difference between object detection and instance segmentation in YOLO11?. However, YOLOv8 does not natively support polyline annotations. Question I am trying to understand the yolov8-segmentation dataset format, and working with coco1288-seg. py 9. Jan 24, 2024 · Hi, I have some issues exporting an instance segmentation project with annotated polygons to a YOLOv8 . py, val. Object detection identifies and localizes objects within an image by drawing bounding boxes around them, whereas instance segmentation not only identifies the bounding boxes but also delineates the exact shape of each object. def polygon_bbox_iou : Compute iou of polygon boxes for class Polygon_ComputeLoss in loss. Mar 11, 2025 · Harness the power of Ultralytics YOLO11 for real-time, high-speed inference on various data sources. Nov 18, 2023 · The masks are in a format that YOLOv8 expects (typically grayscale images where pixel values correspond to class IDs). Detect the nearest point in the parent polygon and in the child polygon. I have had success with the model creating the mask of the heart, but as far as I am aware, I can only export the bounding box coordinates. The child polygon points are sorted in counterclockwise order. Architectures dorsale et cervicale avancées : YOLOv8 utilise des architectures dorsales et cervicales de pointe, ce qui permet d'améliorer les performances en matière d'extraction de caractéristiques et de détection d'objets. Provide details and share your research! But avoid …. Description crop the masks like it does for the bounding bxoes mask is a polygon we can use shapely library to read the polygon from shapely. Finally, Poly-YOLO performs instance segmentation using bounding polygons. masks. py, and export. pt and yolov8x-seg. Segment Anything Model (SAM) was used to generate accurate polygon masks for annotated features. def polygon_b_inter_union_cpu : iou computation (polygon) with cpu for class Polygon_ComputeLoss in loss. How do I do this? from ultralytics import YOLO import cv2 model = YOLO('yolov8n. Community Support: YOLOv8 benefits from a vibrant open-source Jun 12, 2023 · Yes, you can use polygons to train object detection models using Roboflow Train and YOLOv5 (likely YOLOv8 but I can’t 100% confirm that): Polygon Annotations for Object Detection in Computer Vision Jan 23, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Dec 8, 2023 · Addressing the issues of unnecessary background in traditional rectangular prediction boxes and the limitations of instance segmentation when detecting edges, we proposed an innovative polygon pest-infected region detection model named Poly-YOLOv8, incorporating YOLOv8 and a new polygon detection head. OpenCV drawContours() 函数希望轮廓的形状为 [N, 1, 2] 更多详情，请参阅下文扩展部分。 May 11, 2019 · Convert JSON annotations into YOLO format. Use case. Feb 6, 2024 · Q#5: Can YOLOv8 Segmentation be fine-tuned for custom datasets? Yes, YOLOv8 Segmentation can be fine-tuned for custom datasets. predict(img) for r in 👋 Hello @rzamarefat, thank you for your interest in YOLOv8 🚀! We recommend a visit to the YOLOv8 Docs for new users where you can find many Python and CLI usage examples and where many of the most common questions may already be answered. pt. Step #4: Create a Dataset Version Sep 5, 2021 · Yolov8 源码解析（三十八） . 0) YOLODataset images test; train Ultralytics YOLOv8 is the latest version of the YOLO (You Only Look Once) object detection and image segmentation model developed by Ultralytics. May 24, 2023 · The Panda Bee variety, on the other hand, is known for its panda-like pattern white and black/red rings. Hello，各位读者，最近会给大家发一些进阶实战的讲解，如何利用YOLOv8现有的一些功能进行一些实战， 让我们不仅会改进YOLOv8，也能够利用YOLOv8去做一些简单的小工作，后面我也会将这些功能利用PyQt或者是pyside2做一些小的界面给大家使用。 Nov 6, 2023 · Introducing YOLOv8 🚀. The RLE mask is converted to a parent polygon and a child polygon using cv2. New Augmentation Types with Polygon Annotations. Connect those 2 points with narrow 2 lines. May 11, 2024 · yolov8是yolo模型系列的最新一代，拥有更高的速度与精度。相比前代，yolov8优化了模型结构，使其更适合实时处理任务。yolov8提供了出色的检测效果，因此适用于包括视频目标检测在内的多种应用场景。 Jan 4, 2024 · Ultralytics YoloV8 is one of the easiest path, but still it is a lot of ground to cover! the class of a object and the coordinates that describe its polygon. For polylines, you would typically use segmentation models. As an example, we will develop a nucleus (instance) segmentation Jan 22, 2023 · The masks are generated as a set of polygons that outline each detected object in the image. findContours(). The system accepts labels with an arbitrary number of vertices, even over the defined maximum. Mar 9, 2023 · @yellowjs0304 Modifying YOLOv8 to output polygon shapes instead of rectangular bounding boxes is possible, but it would require significant modifications to the codebase. Apr 20, 2025 · Segment-polygon to Binary Mask. If I say, have a batch of 10 images with objects ranging from 1-3 for example. Mar 4, 2025 · 帮我们将这个代码，复制粘贴到我们YOLOv8的仓库里然后创建一个py文件存放进去即可。 'YOLOv8 Polygon Region', 'polygon': Polygon([(50 Sep 30, 2023 · polygon or rectangle: The shape of the region, defined as a polygon or rectangle using Shapely's Polygon object. Versatility: YOLOv8 is versatile and can be adapted to a wide range of object detection tasks. Once you have that, then call cv::boundingRect() to turn each contour into a a single bounding rectangle. The color rings tend to be thicker and more pronounced than the Crystal Red/Black Shrimp. py # 导入模块中的特定类和函数，包括： # - BaseModel: 基础模型类 # - ClassificationModel: 分类模型类 # - DetectionModel: 目标检测模型 Feb 8, 2024 · The goal is to create a mask of the heart during surgery. Jul 9, 2021 · 9. color (int, optional): The color value to fill in the polygons on the mask. Your training code looks good! If the masks are correctly placed and named, YOLOv8 should automatically find and use them during training. Nov 4, 2023 · yolov8是yolo模型系列的最新一代，拥有更高的速度与精度。相比前代，yolov8优化了模型结构，使其更适合实时处理任务。yolov8提供了出色的检测效果，因此适用于包括视频目标检测在内的多种应用场景。 Mar 22, 2023 · Is YOLOv8 suitable for real-time object detection applications? YOLOv8 is designed to run efficiently on standard hardware, making it a viable solution for real-time object detection tasks, also You signed in with another tab or window. I have a predicted mask that is segmented by yolov8 and a ground truth mask. Sep 5, 2021 · Yolov8 源码解析（三十八） . YOLOv8-seg简介 YOLOv8-seg是YOLO系列模型的其中一个版本。YOLOv8-seg在继承YOLO系列模型高效性和准确性的基础上，增加了实例分割的能力。 2. Jun 2, 2023 · Regarding your question, currently, YOLOv8 seg mode only supports single polygon per instance, as you observed. May 30, 2023 · We’ll also need to install the ultralytics pip package. We would like to show you a description here but the site won’t allow us. Press enter to finish the polygon. Apr 14, 2025 · YOLOv8 released in 2023 by Ultralytics, introduced new features and improvements for enhanced performance, flexibility, and efficiency, supporting a full range of vision AI tasks. Feb 22, 2023 · The RLE mask is converted to a parent polygon and a child polygon using cv2. Sep 4, 2024 · I created this YOLOv8 Image Annotation Tool to simplify the often tedious process of image labeling for object detection projects. I can use tools like makesense. ttssm rhguu yef vajhh jtesd ljyrx atjrt oeg nipyar rrpb