Description: Background Image Extraction is a fundamental process in the field of video processing that refers to the extraction of the background image from a moving video stream. This process involves identifying and separating the static elements of the background from those that are dynamic, such as moving people or objects. The technique relies on algorithms that analyze the differences between successive frames, allowing for the distinction between what remains constant and what changes. This capability is crucial for various applications in the technology sector, such as surveillance, where unusual movements need to be detected, or in video editing, where visual effects or compositions are desired. Background image extraction not only enhances the quality of video analysis but also optimizes the performance of computer vision systems by reducing the amount of data that needs to be processed. In summary, this technique is essential for the effective understanding and manipulation of video streams, facilitating a wide range of applications in modern technology.