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⇱ Computer Vision: YOLO Custom Object Detection with Colab GPU | Coursera


Computer Vision: YOLO Custom Object Detection with Colab GPU

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Computer Vision: YOLO Custom Object Detection with Colab GPU

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Gain insight into a topic and learn the fundamentals.
Beginner level

Recommended experience

8 hours to complete
Flexible schedule
Learn at your own pace

Gain insight into a topic and learn the fundamentals.
Beginner level

Recommended experience

8 hours to complete
Flexible schedule
Learn at your own pace

What you'll learn

  • Identify the steps required to set up the YOLO environment and Colab GPU.

  • Explain the process of Non-Maximum Suppression in object detection.

  • Utilize pre-trained YOLO models to perform object detection on images and videos.

  • Compare the results of object detection across different datasets using YOLO.

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Assessments

11 assignments

Taught in English

There are 26 modules in this course

Updated in May 2025.

This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. In this comprehensive course, you'll dive into the world of real-time object detection with YOLO, one of the most powerful algorithms for detecting objects in images and videos. The course begins with an introduction to YOLO and object detection, followed by setting up your development environment with Anaconda and installing essential libraries like OpenCV. A review of Python basics ensures you are equipped with the necessary programming knowledge before delving into convolutional neural networks (CNNs). Once your environment is ready, the course progresses into more advanced topics such as implementing YOLO for pre-trained object detection. You’ll explore practical examples, including detecting objects in images, videos, and live webcam feeds. The course then takes you through custom training with YOLOv4, where you will learn to collect and label data, train-test split, and prepare Darknet for training your own models. Each phase of custom training is covered step by step, including synchronization with Google Colab and Drive, testing Darknet, and fine-tuning the training process. By the end of the course, you'll be adept at training YOLO models for specific use cases, including the detection of various objects and even custom challenges such as COVID-19 detection. Along the way, you'll troubleshoot common issues like GPU usage limits in Colab and explore real-world case studies to solidify your understanding. No prior knowledge of YOLO is required, but a basic understanding of machine learning concepts will be helpful. This course is designed for data scientists, machine learning engineers, and computer vision enthusiasts who are familiar with Python programming.

In this module, we will introduce the course content and outline the key concepts you'll be learning. This section will provide an overview, helping you understand the course structure and what to expect as you progress.

What's included

1 video1 reading

1 videoβ€’Total 9 minutes
  • Course Introduction and Table of Contentsβ€’9 minutes
1 readingβ€’Total 10 minutes
  • Full Course Resourcesβ€’10 minutes

In this module, we will dive into the basics of YOLO, a state-of-the-art object detection algorithm. You'll learn about its scope, importance, and why it's widely used in various computer vision applications.

What's included

1 video

1 videoβ€’Total 6 minutes
  • Introduction to You Only Look Once (YOLO) Object Detectionβ€’6 minutes

In this module, we will guide you through installing and setting up Anaconda, a popular platform for managing Python environments. You'll learn how to prepare your system for running the course projects.

What's included

1 video1 assignment

1 videoβ€’Total 7 minutes
  • Environment Setup - Installing Anacondaβ€’7 minutes
1 assignmentβ€’Total 15 minutes
  • Assessment 1β€’15 minutes

In this module, we will cover fundamental Python programming concepts, including flow control, data structures, and functions. These basics are crucial for developing and understanding the custom YOLO model later in the course.

What's included

4 videos

4 videosβ€’Total 34 minutes
  • Assignmentβ€’9 minutes
  • Flow Controlβ€’9 minutes
  • Data Structuresβ€’12 minutes
  • Functionsβ€’4 minutes

In this module, we will walk you through the installation of the OpenCV library, a key tool for image processing and computer vision. You'll ensure your environment is ready for the practical tasks ahead.

What's included

1 video

1 videoβ€’Total 4 minutes
  • Installing OpenCV Libraryβ€’4 minutes

In this module, we will introduce Convolutional Neural Networks (CNNs), the backbone of many modern computer vision applications. You'll gain insights into how CNNs function and their relevance to YOLO.

What's included

1 video1 assignment

1 videoβ€’Total 11 minutes
  • Introduction to Convolutional Neural Networks (CNNs)β€’11 minutes
1 assignmentβ€’Total 15 minutes
  • Assessment 2β€’15 minutes

In this module, we will guide you through using a pre-trained YOLO model to detect objects in images. You'll learn how to perform this task step-by-step, gaining hands-on experience with the YOLO algorithm.

What's included

4 videos

4 videosβ€’Total 30 minutes
  • You Only Look Once (YOLO) Pre-Trained Object Detection from an Image - Part 1β€’4 minutes
  • You Only Look Once (YOLO) Pre-Trained Object Detection from an Image - Part 2β€’6 minutes
  • You Only Look Once (YOLO) Pre-Trained Object Detection from an Image - Part 3β€’7 minutes
  • You Only Look Once (YOLO) Pre-Trained Object Detection from an Image - Part 4β€’13 minutes

In this module, we will explore Non-Maximum Suppression (NMS), a technique used to improve object detection accuracy in YOLO. You'll see how NMS helps eliminate redundant detections, refining the final output.

What's included

2 videos

2 videosβ€’Total 10 minutes
  • You Only Look Once (YOLO) Pre-Trained Object Detection from an Image – Non-Maximum Suppression (NMS) - Part 1β€’5 minutes
  • You Only Look Once (YOLO) Pre-Trained Object Detection from an Image – Non-Maximum Suppression (NMS) - Part 2β€’5 minutes

In this module, we will demonstrate how to perform real-time object detection using a webcam and a pre-trained YOLO model. You'll learn to adapt YOLO for live video feeds, enhancing your practical skills.

What's included

1 video1 assignment

1 videoβ€’Total 6 minutes
  • You Only Look Once (YOLO) Pre-Trained Object Detection from a Real-Time Webcam Videoβ€’6 minutes
1 assignmentβ€’Total 15 minutes
  • Assessment 3β€’15 minutes

In this module, we will show you how to apply YOLO to detect objects in pre-saved video files. You'll explore the nuances of video-based detection and how to optimize the model for such tasks.

What's included

1 video

1 videoβ€’Total 3 minutes
  • You Only Look Once (YOLO) Pre-Trained Object Detection from a Pre-Saved Videoβ€’3 minutes

In this module, we will introduce you to the process of custom training a YOLO model. You'll learn about the advantages of customizing YOLO for specific tasks and get an overview of the training process.

What's included

1 video

1 videoβ€’Total 5 minutes
  • Introduction to the Custom-Trained You Only Look Once (YOLO) Modelβ€’5 minutes

In this module, we will focus on setting up the Darknet environment, a key step in custom training YOLOv4 models. You'll download the necessary weights and prepare your system for the training process.

What's included

2 videos1 assignment

2 videosβ€’Total 11 minutes
  • You Only Look Once v4 (YOLOv4) Introduction and Downloading Weightsβ€’6 minutes
  • You Only Look Once v4 (YOLOv4) Preparing Darknetβ€’4 minutes
1 assignmentβ€’Total 15 minutes
  • Assessment 4β€’15 minutes

In this module, we will guide you through the data collection process for training a YOLOv4 model. You'll learn how to gather and organize data effectively, ensuring your training dataset is robust.

What's included

2 videos

2 videosβ€’Total 9 minutes
  • Data Collection - Part 1β€’5 minutes
  • Data Collection - Part 2β€’4 minutes

In this module, we will cover the image labeling process, a critical step in preparing your dataset for YOLOv4 training. You'll use labeling tools to create accurate and consistent annotations for your images.

What's included

2 videos

2 videosβ€’Total 13 minutes
  • Image Labelling - Part 1β€’7 minutes
  • Image Labelling - Part 2β€’5 minutes

In this module, we will explain the concept of train-test splitting, essential for evaluating the performance of your YOLOv4 model. You'll learn how to balance your data to achieve optimal training results.

What's included

1 video1 assignment

1 videoβ€’Total 5 minutes
  • You Only Look Once v4 (YOLOv4) Custom Training Phase 2 - Train Test Splitβ€’5 minutes
1 assignmentβ€’Total 15 minutes
  • Assessment 5β€’15 minutes

In this module, we will focus on the final stages of preparing your dataset for YOLOv4 training. You'll apply preprocessing techniques to ensure your data is ready for the training phase.

What's included

2 videos

2 videosβ€’Total 13 minutes
  • Data Preparation - Part 1β€’6 minutes
  • Data Preparation - Part 2β€’7 minutes

In this module, we will demonstrate how to sync your data with Google Drive and connect it to Colab. You'll learn how to manage your files efficiently, ensuring smooth operation during model training.

What's included

2 videos

2 videosβ€’Total 9 minutes
  • Preparing Files Sync to Driveβ€’4 minutes
  • Connecting Colab and Driveβ€’5 minutes

In this module, we will guide you through compiling and testing Darknet, the framework used for YOLOv4 training. You'll learn to resolve any issues that may arise during the setup process.

What's included

3 videos1 assignment

3 videosβ€’Total 19 minutes
  • Compile and Test Darknet - Part 1β€’5 minutes
  • Compile and Test Darknet - Part 2β€’5 minutes
  • Compile and Test Darknet - Part 3β€’8 minutes
1 assignmentβ€’Total 15 minutes
  • Assessment 6β€’15 minutes

In this module, we will explore how to monitor and analyze the training progress of your YOLOv4 model. You'll use charts and metrics to assess performance and make necessary adjustments.

What's included

1 video

1 videoβ€’Total 5 minutes
  • You Only Look Once v4 (YOLOv4) Custom Training Phase 5 - Chart and Training Progress Analysisβ€’5 minutes

In this module, we will cover the final steps of YOLOv4 training, including downloading and saving the model weights. You'll learn how to complete the training process and prepare your model for deployment.

What's included

1 video

1 videoβ€’Total 9 minutes
  • You Only Look Once v4 (YOLOv4) Custom Training Phase 5 - Finalizing Training Download Weightsβ€’9 minutes

In this module, we will discuss the GPU usage limits in Google Colab and how they may affect your YOLOv4 training. You'll learn strategies to manage these limits and keep your training process uninterrupted.

What's included

1 video1 assignment

1 videoβ€’Total 4 minutes
  • Colab GPU Usage Limit Issueβ€’4 minutes
1 assignmentβ€’Total 15 minutes
  • Assessment 7β€’15 minutes

In this module, we will guide you through upgrading OpenCV to ensure compatibility with YOLOv4. You'll learn how to perform the upgrade and resolve any issues that may arise.

What's included

1 video

1 videoβ€’Total 5 minutes
  • OpenCV Upgrade for You Only Look Once v4 (YOLOv4)β€’5 minutes

In this module, we will demonstrate how to use a pre-trained YOLOv4 model to detect objects in both images and videos. You'll explore the model's versatility and practical uses in various scenarios.

What's included

1 video1 assignment

1 videoβ€’Total 2 minutes
  • You Only Look Once v4 (YOLOv4) Pre-Trained Object Recognition from an Image and a Videoβ€’2 minutes
1 assignmentβ€’Total 15 minutes
  • Assessment 8β€’15 minutes

In this module, we will show you how to train a YOLOv4 model to detect coronavirus in images. You'll learn the nuances of customizing YOLOv4 for specialized detection tasks.

What's included

1 video

1 videoβ€’Total 4 minutes
  • You Only Look Once v4 (YOLOv4) Custom Coronavirus Detection from an Imageβ€’4 minutes

In this module, we will focus on applying a custom-trained YOLOv4 model to detect coronavirus in videos. You'll gain experience in adapting image-based models for video analysis.

What's included

1 video1 assignment

1 videoβ€’Total 3 minutes
  • You Only Look Once v4 (YOLOv4) Custom Coronavirus Detection from a Videoβ€’3 minutes
1 assignmentβ€’Total 15 minutes
  • Assessment 9β€’15 minutes

In this module, we will present additional real-world case studies demonstrating the application of YOLO in different industries. You'll see how the concepts learned can be applied to solve real-world challenges.

What's included

1 video2 assignments

1 videoβ€’Total 6 minutes
  • Other Sample Real-World Case Studiesβ€’6 minutes
2 assignmentsβ€’Total 75 minutes
  • Full Course Assessmentβ€’60 minutes
  • Full Course Practice Assessmentβ€’15 minutes

Instructor

Packt
1,926 Coursesβ€’560,010 learners

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Frequently asked questions

Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.

If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. You’ll be able to submit assignments once the session starts.

Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. You’ll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.

If you complete the course successfully, your electronic Course Certificate will be added to your Accomplishments page - from there, you can print your Course Certificate or add it to your LinkedIn profile.

This course is currently available only to learners who have paid or received financial aid, when available.

Yes. In select learning programs, you can apply for financial aid or a scholarship if you can’t afford the enrollment fee. If fin aid or scholarship is available for your learning program selection, you’ll find a link to apply on the description page.

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