DIGIC

Currently, DIGIC is implemented as an application-specific integrated circuit (ASIC) designed to perform high speed signal processing as well as the control operations in the product in which it has been incorporated.

DIGIC II also improved upon the original by adding a larger buffer and increasing processing speed.

[3] Additionally, Canon claims DIGIC II improves color, sharpness, and automatic white balance with its CMOS sensor in its digital SLR camera line.

[4] Using an internal database of thousands of different photos, iSAPS also works with the DIGIC III Image Processor to improve focus speed and accuracy, as well as exposure and white balance.

Full specifications were not made available at introduction, but Canon claims a 60% speed improvement over the original DIGIC 4 on high ISO shots.

[10] According to Canon, DIGIC 5 analyses four times more image information to create each pixel, recording more detail and colour from a scene than ever before.

[17] Introduced in 2013,[2] the DIGIC 6 image processor enables improved low-light performance up to ISO 6400, with reduced noise.

Further advancements attributed to DIGIC 6 can be experienced in movie mode, which records in MP4 format and doubles the frame-rate to 60 fps at 1080p.

The Canon EOS 7D Mark II includes dual DIGIC 6 processors, allowing for a capture rate of 10 frames per second in RAW + JPEG, and an additional DIGIC 6 processor specifically for its Intelligent Subject Analysis System.

Canon’s next generation DIGIC 7 added substantially improved image processing power, enabling faster AF speeds and 8 fps RAW continuous shooting, and reducing noise to help users "capture the most fleeting of moments."

The EOS-like Auto Lighting Optimizer also improved contrast by providing natural correction while maintaining balanced brightness and darkness.

The new DIGIC 8 image processor has also contributed to an enhanced Dual Pixel CMOS AF system.

[29][30] It allows programmatic control of many Canon compact cameras, enabling users to add features, including games and scripts written in UBASIC or Lua.

Features include shooting in RAW, USB-cable remote shutter-release, synchronized shooting between multiple cameras, motion-detection triggered photography, customizable high-speed continuous (burst) TV, Av, ISO, and Focus bracketing (increasing depth of field), 1 Gig video-size limit removed in earlier cameras, Shutter, Aperture, and ISO overrides (shutter speeds of 64" to 1/10,000" and higher).

[33] However, to install precompiled firmware on a PowerShot camera, it is only necessary to download the correct binary and copy it to an SD memory card.

[34] Spy Lantern is a surveillance camera commercial project[35] based on PowerShot and CHDK open script.

[36] Magic Lantern is a firmware add-on written for the Canon 5D Mark II by Trammell Hudson in 2009, and ported to the 550D/T2i/Kiss X4 (1.0.8) in July 2010 by the same author.

[38] Originally developed for DSLR filmmaking, its feature base has expanded to include tools useful for still photography as well.

[40] Because installing Magic Lantern does not replace the stock Canon firmware or modify the ROM but rather runs alongside it, it is both easy to remove and carries little risk.

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