Final answer:
The format and channels of an image depend on the type. DICOM images have multiple channels, while RGB images have three channels.
Step-by-step explanation:
Image format and image channels depend on the type of image being used.
DICOM is a format used for medical images, and it typically has multiple channels. This is because medical images often capture different types of information, such as X-ray, CT scan, or MRI data, which are stored in separate channels. Therefore, DICOM images usually have multiple channels.
RGB images, on the other hand, are used for regular color images and usually have three channels: red, green, and blue. This allows for the representation of various colors in the image. Therefore, RGB images have three channels.