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Công nghệ DIGIC Canon

Digital Imaging Core (DIGIC) is a proprietary application-specific integrated circuit made
by Canon to perform high speed signal-processing and control operations incorporated inside
Canon digital cameras and camcorders.

Light entering a digital camera through its lens is converted into electric signals by an image sensor. The digital image processor is what removes noise from the signals and generates image data with natural color reproduction and rich gradation. DIGIC, a high-performance image processor employing algorithms developed by Canon, makes possible the high-speed processing of such tasks as reducing false colors and moiré patterns, and canceling noise during long exposures.

DIGIC III achieves advanced imaging performance, including faster computing speeds, reduced noise for high-sensitivity image capture, and higher resolution LCD monitor signal output. Moreover, the processing and memory components are configured in a layered structure to conserve space.

DIGIC III Imaging Processor

DIGIC III Imaging Processor
New DIGIC 4 Image Processor improves Face Detection, adds Servo AF, Face Detection Self-Timer and Intelligent Contrast Correction for greater flexibility.
DIGIC 4 Image Processor
Canon's proprietary DIGIC Image Processors have long set its cameras apart from the competition, and the new DIGIC 4 sets the bar even higher. Faster, more accurate noise reduction delivers better image quality, even at high ISO speeds.

DIGIC 4 Image Processor

iSAPS Technology is an entirely original scene-recognition technology developed for digital cameras by Canon. Using an internal database of thousands of different photos, iSAPS works with the advanced DIGIC 4 Image Processor to improve focus speed and accuracy, as well as exposure and white balance.

Diagram of Photographic Space


A new Face Self-Timer automatically detects an increase in the number of faces and makes the appropriate adjustments. For instance, to include photographer's face in a group shot, there's no need to rush in. Just put the camera on a stand or tripod, and specify Face Self-Timer, and the camera will wait for the photographer's face to get on-camera before it takes the shot. Motion Detection now tracks moving subjects in a much larger range, and the new Servo AF retains focus on a moving subject after the shutter button is pressed halfway - allowing you to wait for the perfect shot without refocusing. Also, Face Detection and Motion Detection are markedly improved.


Intelligent Contrast Correction
DIGIC 4 also makes possible the new i-Contrast (Intelligent Contrast Correction) system, which controls the compensation level in pixel units to brighten dark areas while leaving bright areas unchanged for better images where the main subject is dark, and more natural transition. The PowerShot G10 can even use i-Contrast in playback mode to adjust images that were shot without the setting activated.


Red-eye Correction provides three options for removing red-eye from subjects in flash pictures.
1) The Red-eye Correction during shooting actually identifies and corrects red-eye in human subjects as pictures are taken.
2) The G10 can be set to automatically detect and correct red-eye during image playback.
3) You can manually locate any red eyes in a scene during image playback on the LCD screen, and command the camera to remove them.


Life doesn't give you second chances to capture special times. That's why the G10 features ISO 1600 and High ISO Auto settings that reduce the effects of camera shake and sharpen subjects in low-light situations, giving you greater shooting flexibility. ISO can be expanded to 3200 when you select ISO 3200 Special Scene mode.

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