Convolutional Neural Networks (CNNs)

See how computers "see". Apply filters (kernels) to extract features like edges and patterns from images. This operation is the core building block of modern computer vision.

Input Image

Drop an image here or click to upload

PNG, JPG, WEBP — any size (resized to 64×64)

Or use a sample pattern

Convolution Kernel

Highlights edges by detecting sudden intensity changes in all directions.

CNN Pipeline
1
Input(0×0)

Grayscale image

2
Convolution(0×0)

3×3 kernel applied

3
ReLU(0×0)

Negative values → 0

4
Max Pool(0×0)

2×2 max pooling

Heatmap
Input(0×0)
Conv2D
Feature Map(0×0)
ReLU
After ReLU(0×0)
Pool
Max Pooled(0×0)

🔍 Convolution

The kernel slides across the image, computing a weighted sum at each position. Different kernels detect different features — edges, textures, gradients, and more.

⚡ ReLU Activation

Rectified Linear Unit sets all negative values to zero. This introduces non-linearity, allowing the network to learn complex patterns beyond simple linear filters.

📐 Max Pooling

Reduces spatial dimensions by taking the maximum value in each 2×2 region. This makes the features translation-invariant and reduces computational cost.

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