» Posts Tagged ‘patents’
Canon applied for a RAW video patent in July of 2010, and it was just published by the U.S. Patent and Trademark Office yesterday. The filing indicates that Canon is planning to retain CF card compatibility while compressing 12-bit moving images to RAW 4K or 2K resolutions. Note that it’s a popular misconception that “RAW” means “free of compression” — RAW, as far as both still and moving images are concerned, means that the data is stored in an unprocessed manner (which allows for adjustments in maximum colorspace before converting to an output format) — not in an uncompressed manner. Indeed, in the patent Canon describes 4K uncompressed 12-bit video’s 2.8Gbit datarate as “too high for CF cards,” so, like RED, they will be compressing the data coming off the sensor. It’s going to be a very competitive next few years… More »
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