Resize Images in MATLAB | imresize() vs Custom Resizing Code for Beginners in Image Processing

Want to learn how to resize images in MATLAB using both built-in functions and custom code? You're in the right place! In this video by Learning Vibes, we break down everything you need to know about image resizing techniques in MATLAB—step by step, beginner-friendly, and packed with real-life applications.
📌 In this video, you will learn:
✅ How to use imresize() to scale images
✅ How to write your own image resizing program using nearest neighbor logic
✅ Where image resizing is used in real life: from AI and web development to medical imaging
✅ How resizing affects image quality and memory
✅ How to avoid common mistakes like wrong scaling factors or data type mismatches
💡 Built-in vs Custom Code:
We demonstrate both approaches in MATLAB with complete explanations of each line of code. You’ll understand how repmat() helps in duplicating pixels, and how resizing logic can be applied in embedded systems or resource-limited environments where built-in functions are not ideal.
This tutorial is perfect for:
🎓 Engineering students
👨‍💻 Developers in image processing
📱 App creators & researchers in AI and computer vision
💬 Beginners curious about how pixel-level transformations work!
🎥 Whether you’re preparing for projects, research, or job-ready skills in digital image processing using MATLAB, this video is a must-watch.
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Video contains: MATLAB, image resizing, imresize, custom resizing in MATLAB, nearest neighbor MATLAB, digital image processing, MATLAB tutorial, how to resize images, MATLAB for beginners, MATLAB image processing tutorial, image scaling, pixel duplication, repmat in MATLAB, resize image without imresize

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