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ERF to PBM
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ERF (Epson Raw File), is a raw image file format used by Epson digital cameras, capturing all the data directly from the camera’s sensor without any in-camera processing or compression. This format enables photographers to have extensive control over post-processing, allowing for adjustments to exposure, color balance, and other parameters to achieve the desired image quality. However, ERF files are typically larger in size compared to standard compressed image formats and require specialized software for viewing and editing.

PBM stands for Portable Bitmap, and it is a monochrome image format that is part of the Netpbm package. It stores image data as a series of ASCII or binary values representing each pixel in the image, with 1s representing black pixels and 0s representing white pixels. PBM files are simple and easy to read but can be quite large since they do not use any compression.