Research Article

, 02 Jan 2026 | 10.6234610.62346/ijbsip_q1_v13_no1_26_01
Year : 2026 | Volume: 13 | Issue: 1 | Pages : 1-6

Image Deblurring Using Digital image Restoration Techniques

Dr. N.R. Nagarajan1 *, Poovitha S, Subasri D, Nithiya Shrree S, Udayasri S
  • 1Anna University Chennai, Faculty, Department of ECE, K. Ramakrishnan college of engineering, Tamilnadu, IN
Image deblurring is a fundamental task in digital image processing aimed at restoring clarity or clear and enhancing the visual quality of blurred images. During sometimes taking photo sometimes it become blurred. It is due to some parts of digital photos become blurry because of movement or the camera not focusing properly. We have to find the reason for this blur. Finding and naming these blurry parts is important for checking the quality of images. This journal shows an easy and useful way to find blurry areas in pictures and to tell what kind of blur in the photo. By using Laplacian and Sobel Visualization to get information of each image pixel. Image deblurring or cleared image is a critical preprocessing step in computer vision and digital imaging, aimed at restoring image sharpness degraded by motion, defocus, or optical aberrations. This study presents a practical implementation of an unsharp masking technique for image deblurring using Python code and OpenCV within a Google Colab website environment. The proposed method involves reading a greyscale image, applying Gaussian blur to simulate low-frequency components, and enhancing edge details through weighted reduction of the blurred image from the original image. The process effectively amplifies high-frequency features, resulting in improved visual clarity of the image. The simplicity and computational efficiency of this approach make it suitable for real-time applications and educational demonstrations. Experimental results confirm that unsharp masking provides a viable solution or good solution for basic image restoration tasks, especially when computational resources are limited. This method is very useful in nowadays. In blurred image the photo is not clear due to this reason the photographer faces many difficult problems. To avoid this difficulty, we use this method to solve this problem.

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Keywords: Image Deblurring, Unsharp Masking, Gaussian Blur, Edge Enhancement

Citation: Dr. N.R. Nagarajan*,Dr. N.R. Nagarajan ( 2026), Image Deblurring Using Digital image Restoration Techniques. , 13(1): 1-6

Received: 05/12/2025; Accepted: 02/01/2026;
Published: 02/01/2026

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*Correspondence: Dr. N.R. Nagarajan, nrnagarajan@krce.ac.in


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