Which Image Format

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CASE STUDY Which Image Format PNG PNG (Portable Network Graphics), an extensible file format for the lossless, portable, well-compressed storage of raster images. PNG provides a patent-free replacement for GIF and can also replace many common uses of TIFF. Indexed-color, gray scale, and true color images are supported, plus an optional alpha channel. Sample depths range from 1 to 16 bits. However, the format is not widely supported in common image programs. AVI AVI stands for Audio Video Interleave and is currently the most common file format for storing audio/video data on the PC. AVI’s are 8-bit per image plane. This file format conforms to the Microsoft Windows Resource Interchange File Format (RIFF) specification, which makes it convenient for sharing the image sequence between computers. AVI files (which typically end in the .avi extension) require a specific player that supports. RAW A RAW image format contains minimally processed data from the image sensor. RAW literally means unprocessed or uncooked. RAW images must be processed and converted to RGB format if it is a color image. Photron however, does not limit RAW as a unprocessed image. The “Bayer” check box must be selected to save the RAW image as an unprocessed image. RAW images have 8-bits per image plane. RAWW A RAWW image format contains minimally processed data from the image sensor. RAWW images must be processed and converted to RGB format if it is a color image. Photron however, does not limit RAWW as a unprocessed image. The “Bayer” check box must be selected to save the RAWW image as an unprocessed image. RAWW images have up to 16-bits per image plane. Photron cameras save RAWW images with 10-bits contained within the 16-bit image plane. FTIF This is a Tagged Image File Format that is specifically assigned to Photron. The format has additional data about the image, how it was created and other ancillary information that is written into what is called TAGS. These TAGS are defined by the format. FTIFF has 8-bits per image plane. w w w.photron.com.

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