What is ppm?
PPM, short for Portable Pixelmap, is an image graphic file that contains 24-bit colour data that has been formatted to a text format that assigns a number to each pixel, ranging from 0 to 65536. Besides the colour information, it stores the images dimensions, whitespace and max. colour value. It is often considered an inefficient format compared to other bitmap format as it doesn’t make use of compression, making it difficult to use for large images. Mime type: image/x-portable-pixmap, application/ppm, application/x-ppm, image/x-p, image/x-ppm
What is tiff?
The TIFF format stands for ‘Tagged Image File Format’. It was developed by Aldus Corporation to save images from scanners and photo editing programs, but it is currently owned by Adobe. The format is a graphics container that contains raster and vector images. It supports high-quality graphics, color depths from 1 to 24 bit, multiple layers, lossy and lossless compression and pages. Due to its flexibility not all programs can read the many varieties of TIFF. Mime type: image/tiff
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