HP Scanjet 5490c HP Scanjet 4400C/5400C Series Scanner Windows - (English) Use - Page 126
Joint Photographic Experts Group. A compressed file format that, image after scanning it.
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Back to TOC The connection between the scanner and the computer. This can be either a USB, parallel, or SCSI connection depending on the model of scanner and your operating system. Resolution that is changed in the scanning software rather than in the hardware. For example, if your scanned image is 600 dpi, you might be able to enhance it to 1200 dpi in the scanning software. This is useful for enlarging small images. The process of increasing the resolution of an image by the addition of new pixels throughout the image, the colors of which are based on neighboring pixels. To reverse the colors in an image (for example, in a black-and-white image, black areas are turned white and white areas are turned black). The physical drawing, photo, collage, etc. you place in the scanner to scan. Once it is scanned, it is referred to as an image or scanned image. Glossary 125 j Refers to the uneven transition between black and white, or areas of color, in a scanned image. Jagged edges can be avoided by scanning at a higher resolution than your output device, or by not scaling the image after scanning it. Joint Photographic Experts Group. A compressed file format that reduces file size and enables faster file access. This format can reduce image quality and performance when the file is decompressed and recompressed. JPEG files are saved with the filename extension .jpg. k A keystroke or combination of keystrokes that allows you to quickly accomplish common tasks. l The orientation of a photograph or image that is wider than it is tall. When an image is taller than it is wide, it is called portrait orientation.