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Research on Image Blur Detection Methods Based on Image Processing Techniques
This paper provides an in-depth exploration of core technologies for image blur detection, focusing on Fourier transform and Laplacian operator methods. Through detailed explanations of algorithm principles and OpenCV code implementations, it demonstrates how to quantify image sharpness metrics. The article also compares the advantages and disadvantages of different approaches and offers optimization suggestions for practical applications, serving as a technical reference for image quality assessment and autofocus system development.