Convert PHM to JPM

The PHM file extension stands for Portable Float-map Image (16-bit half), a format used for storing high dynamic range (HDR) images with 16-bit half-precision floating-point values. This format is particularly useful in applications requiring precise color representation and extensive dynamic range, such as computer graphics, image processing, and scientific visualization. Originating from the Portable FloatMap (PFM) format, PHM was developed to provide a more efficient storage solution by utilizing half-precision floats, thereby reducing file size while maintaining significant detail and accuracy.

The JPM file extension stands for JPEG 2000 Compound Image File Format. It is used for storing multiple images and graphics, incorporating JPEG 2000 compression to achieve high-quality visuals with reduced file sizes. JPM files are particularly useful in scenarios that require efficient storage and handling of complex image data, such as digital archiving, medical imaging, and document management. Developed as part of the broader JPEG 2000 standard, the JPM format was introduced to enhance image quality and compression over its predecessor, JPEG. Its support for transparency, layers, and metadata makes it a versatile choice in professional IT and imaging applications.