Which device converts films to a digital image?

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The key idea is that turning a radiographic film into a digital image requires a device designed to read the film itself and translate its varying optical densities into a digital representation. A film digitizer is built for this purpose: it scans the film with a controlled light source and a calibrated sensor, producing a high-resolution digital image that preserves the film’s grayscale information for analysis and storage. An analog-to-digital converter is a component that converts continuous signals into digital data, but it isn’t by itself used to scan and digitize an entire film. A computer scanner can digitize flat media, but it’s usually optimized for documents and photos, not the high resolution and dynamic range needed for mammography. A digital receptor is the direct digital detector used in digital radiography that captures images without any film, so it doesn’t convert existing film to digital.