Information processing method, apparatus, program and storage medium storing said program for digital image data generated from an image sensing device

An information processing apparatus for processing a file containing lossless-compressed or non-compressed digital image data obtained by digitally converting a signal that has been output from an image sensing device, said apparatus comprising:

• a reading unit configured to read the digital image data contained in the file;
• a first selecting unit configured to select automatically signal processing to be used from among a plurality of types of signal processing which use any of at least a plurality of types of luminance signal processing methods and/or a plurality of types of color signal processing methods based upon an extension indicating a format of the file to be processed;
• a second selecting unit, when the signal processing cannot be selected based on the extension of the file by said first selecting unit, configured to select the signal processing based on specific information of an image sensing apparatus including product information specifying an apparatus that generates the file, configuration of the image sensing device that generates the file and color-filter information specifying a color filter used by the image sensing device that are contained in the file;
• and
• a converting unit configured to convert the digital image data contained in the file to data having a prescribed format by executing the selected signal processing.