Image stacking software is indeed designed to help align and combine multiple images to enhance the overall quality or effect. This technology is commonly used in fields like astrophotography, macro photography, and focus stacking, where aligning images is crucial due to variations in the exposure or focus plane. The software works by analyzing multiple photos of the same subject taken from slightly different angles or with different exposures and then aligning them precisely to create a composite image. The alignment process typically involves detecting control points within the images and using algorithms to minimize any discrepancies.
By doing so, it improves the image’s clarity, detail, and depth of field. This is particularly useful when you want to reduce digital noise, enhance colors, or ensure that all parts of the subject are in focus. Modern stacking software often comes with sophisticated features to automatically manage slight differences between images, including rotation or scale variations, making the process efficient and user-friendly even for those who may not be experienced in photo editing.