ACDSee Pro 6 Uživatelská příručka stáhnout pdf (Strana 374)

Glossary

jaggies

Individual pixels displayed in an image with low resolution. The appearance of pixels in an image causes lines and curves to

appear jagged.

lens vignetting

Unusual darkness in the corners of images as a result of an inability of the lens to distribute light into the corners of the image.

lossless compression

Form of compression that retains all image data and quality.

lossless rotation and flipping

Rotation of a JPEG image without loss of image quality. This works best on images with dimensions that are a multiple of 8 or 16.

lossy compression

Form of compression that attempts to remove unnecessary data. This data loss can affect image quality.

marquee

Dashed-line frame that identifies a selected portion of an image. Depending on the tool, you can resize or move a marquee with

or without changing the underlying image.

metadata

Information about an image and how it was taken. For example, the metadata of digital camera images can contain the date and

time the picture was taken, the shutter speed, the exposure settings of the camera, and whether a flash was used.

monochrome image

Image containing a single color.

noise

Effect produced when a variety of pixel colors are used in the same color region. Noise often occurs in images with high ISO

setting or slow shutter speed.

opacity

Determines how visible an effect is when applied to an image or a selection. High opacity produces a more solid effect, while low

opacity results in a nearly invisible effect.

overexposed

Images that are overexposed have too many highlights, and tend to look faded. You typically overexpose images by exposing

your digital camera's sensor to light for too long.

P-Q

panning

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ACDSee Pro 6 Uživatelská příručka Strana 374