Convert PGM to EPI

The Portable Graymap (PGM) file extension, originating in the late 1980s as part of the Netpbm project, stands for "Portable Gray Map". It serves as a simple, versatile format for grayscale images, enabling easy reading and writing by various programs. Due to its straightforward structure and plain text encoding, it's often used in academic and research settings where ease of parsing and accessibility are crucial. PGM files store grayscale images in a compact, efficient manner, making them an essential tool for image processing tasks.

The EPI file extension stands for Encapsulated PostScript Interchange, a format developed by Adobe in the late 1980s. It facilitates the integration of vector graphics and text into documents for high-resolution printing. EPI files, a variant of EPS, are primarily used in graphic design and desktop publishing to ensure consistent and scalable image quality. This format employs Adobe's PostScript language to describe the appearance of a single page, making it ideal for embedding illustrations in various documents.