How does increasing the matrix size of a digital image affect the pixel size?

When the matrix size of a digital image increases while keeping the overall dimensions of the image constant, the pixel size decreases. This is because the matrix size refers to the number of rows and columns in the image, which translates to more pixels distributed over the same area. Therefore, when the number of pixels increases without changing the physical dimensions of the image, each individual pixel must occupy a smaller area.

This relationship is vital in image quality, as smaller pixels can capture finer details. However, it’s important to balance the size of the matrix and the overall image dimensions since too small of a pixel size could potentially lead to noise or artifacts in certain imaging contexts. Understanding this concept is crucial in image evaluation and quality control, particularly in fields that rely heavily on digital imaging techniques.