How can I set color depth and resolution settings during document to image conversion?

In computer, the colour of each point or pixel in a image  is coded into a numeric value. This value represents the colour of the pixel, its hue and intensity. These colour values have to be finite numbers, and the range of colours that can be stored is known as the colour depth.  For instance, a pure black and white image can be described as a 1-bit or 2-colour image, since every pixel is either black (0) or white (1). Common colour depths include 8-bit (256 colours) and 24-bit (16 million colours).

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Image resolution describes the detail an image holds. The higher the resolution, the more image detail there is. Basically, resolution quantifies how close lines can be to each other. The images illustrates how the same image might appear at different pixel resolutions. Normally, a smooth image reconstruction would be preferred.  However, the sharp squares make the point better for illustration of pixels).

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In order to set color depth and resolution settings during document to image conversion via VeryPDF docPrint Pro, do the following steps:

1 Run VeryPDF docPrint Pro, then drag the  image you want to convert to the interface of VeryPDF docPrint Pro which is illustrated as below.

2 Click the second button Setting on the VeryPDF docPrint Pro interface, a new window should pop-up on your screen.

3 Go to choose Save Image Mode on the dialog box, them the dialog box will turn to be the following dialog box:

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  • First, go to choose the image color depth in the combo box. There are three option:

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  • Second go to specify the image resolution as the proper one you need, there list thirteen options:

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  • >Next, click OK to save the setting and close this dialog box. to go back to the interface of  VeryPDF docPrint Pro.

4  Click Start to save the outputting PDF file.  After conversion you can review and compare the images of different color depth and resolution settings. The color depth of the left one is 1 bits and the image resolution is 72*72 DPI, while the one on the right is 24 and 204*196 DPI respectively.

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