AI & MACHINE LEARNING PROGRAM • LEVEL 18 — COMPUTER VISION

Apply a Convolution Filter with Python

Learn apply a convolution filter with python with a short, executable Python example.

IntermediateConvolutionKernel

PROBLEM UNDERSTANDING

Input and expected output

Sample input
No input required
Sample output
[-2, -2, -2]

COMPLETE PYTHON PROGRAM

Complete Python implementation

ai-ml-18-convolution-1d.py
Open in compiler
signal=[1,2,3,4,5]
kernel=[1,0,-1]
output=[sum(signal[i+j]*kernel[j] for j in range(3)) for i in range(3)]
print(output)

GUIDED CODE TOUR • NOT LIVE EXECUTION

Study the program line by line

Use the real compiler button above to run and debug with different inputs.

CURRENT STEP

Select Start to walk through the important lines.

SELECTED LINE

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EXPECTED OUTPUT FOR THE SAMPLE

[-2, -2, -2]
0%Step 0 of 0

PROGRAM EXPLANATION

Algorithm and explanation

  1. Initialize the sample values used to apply a convolution filter.
  2. Process the data step by step using Convolution and Kernel.
  3. Display the result for apply a convolution filter and compare it with the documented sample output.

This example of apply a convolution filter processes the sample values in a controlled iteration. It demonstrates Convolution and Kernel and prints a deterministic result that can be checked against the sample output.

EFFICIENCY

Time and space complexity

Time complexity

O(n · k)

Auxiliary space

O(n)

DEBUGGING CHECKLIST

Common mistakes

Check this

For apply a convolution filter, keep the data shape and value types consistent with Convolution.

Check this

Keep every dependent statement inside the correct indented Python block.

Check this

Verify the final Convolution and Kernel result against the sample before trying new data.

Try it yourself

Practice: Run the program with the sample input, predict its output, and then test one boundary case of your own.