C Image Loader to Tensor in C | Load, Resize & Normalize Images
Bro, welcome to the ultimate C image loader tutorial! In this video, we break down step-by-step how to load images in C using stb_image, resize them with nearest neighbor interpolation, convert from HWC to CHW format, and pack everything into a tensor—perfect for ML preprocessing.
What we cover:
is_image_file: filter image files by extension
resize_nn: nearest neighbor resizing logic
hwc_to_chw_float: format conversion + normalization
load_images_resized: combining everything and building the tensor
free_tensor: safe cleanup to prevent memory leaks
main(): tying it all together & printing some results
Grab the full annotated code + Jupyter notebook on my website for easy download and experimentation:
👉 https://aitoolskit.pro/notebook/
Ideal for C programmers diving into image preprocessing, ML pipelines, or anyone curious how raw pixels become usable tensors. This tutorial is clear, concise, and practical—ready for real-world use.
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⏱ Timestamps:
0:00 Intro
0:30 is_image_file
1:00 resize_nn
1:45 hwc_to_chw_float
2:30 load_images_resized
3:15 free_tensor & main
4:00 Outro & code link
Thanks for watching, bro! Stay coding.
YouTubeTags
#CProgramming #ImageProcessing #Tensor #MachineLearning #CCode #stb_image #ResizeImage #HWCtoCHW
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