Basic: For images of black text on a white background. This is not appropriate for images with small characters, fine detail, photographs, or continuous-tone illustrations.

Advanced, text/line art: For images of black text and line art on a white background. This is not appropriate for images with photographs or continuous-tone illustrations.

Advanced, continuous tone: For images of photographs or continuous-tone illustrations on a white background.

To overwrite the current file, click the save button on the tool bar, or select the save option from the file menu. The image will be saved in its original location.

The result of the processing is applied immediately. The illustration on the left shows the results of perspective control. If the result is not satisfactory, click the undo button or select the undo option from the edit menu.

Processing is additive. Each time an apply button is clicked, processing is applied to the current image. The more the processing is applied, the stronger the results will be. The undo button can only cancel the last processing operation.

To save the image file with a different name or in a different folder, select the save-as option from the file menu. In the save-as window, specify the location to save the file, enter the file name, and select the file type, then click the save but- ton.

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