Estimation of Error in Distance, Length, and Angular Measurements Using CCD Pixel Counting Technique

The pixel counting technique (PCT) has recently emerged as a promising method for the measurement of the dimensions of an object, showing significance in the applications like monitoring the traffic on roads, measuring the dimension of a biological sample, and many more. Therefore, measuring the accuracy of PCT is the topic of current research. The focus of our study is to evaluate the percentage error in the measurement of length, distance, and angle using PCT. The calculated maximum percentage errors in the length, distance, and angle measurements are 1.3%, 1.01%, and 3.9%, with maximum uncertainty due to repeatability of 0.4%, 0.29%, and 0.88%, respectively. The study outcomes conclude that the object visibility and illumination parameters play a significant role in estimating the uncertainty in the PCT-based object dimension calculations, especially angular measurements. This study will be beneficial for estimating the accuracy of PCT.

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