![]() Scanners for common use may have no dynamic range ratings. In general terms, density range shows the brightest and the darkest recordings captured by your OCR scanner. 0 means an excellent white, 4 stands for irreproachable black. Many machines have a logarithmic scale from 0 to 4. This feature shows how good a scanner records a variety of tones. A 24-bit OCR document scanner ensures superior performance and is absolutely great for office use, although you should know that some models offer a color depth of 48 bits.ĭynamic range is also called density range or optical density (OD). So, a high color depth means that a machine can record and store large files precisely. The higher the depth is, the better the color gradations will be recorded. The color depth or bit depth shows how much information a scanner can capture in one pixel. Select the one with the highest resolution. Be aware that the majority of scanners allow you to set the preferable DPI. Usually, it is considered that the higher the DPI number, the better the device. It is measured in DPI (dots per inch) and shows how many pixels a scanner can capture. The optical resolution is a very important characteristic of an OCR scanner. Concerning the data input machines, they perform great when it is necessary to scan repetitive data in a document and do some formatting. The text input machines are mainly used for scanning the whole documents, as they can scan large packs of documents. If you'd prefer, Foxit PDF Editor to recognize all text within the image without manually reviewing, leave the Find All Suspects tool unchecked.All the OCR handheld scanners may be grouped into two categories: text input and data input. After you’ve made your choices, select OK.īy checking Find All suspects tool this enables you to manually go through each text within the image (that has been converted to PDF) to identify whether the characters highlighted is “Not text” or “Accept”. Here you can indicate whether you’d like the OCR engine to run on the Current page/All Pages or a Page range as well as the language you’d like the OCR engine to support and whether you’d like to be able to search the text image or edit the text within the image. Step 3: Select Recognize Text (circled above) and then you will be presented with this window: ![]() ![]() You can run text recognition to make it searchable or editable”. Step 2: Foxit PDF Editor will then advise “Some pages may contain unrecognized text. All that is necessary is to go to the folder in which the image file is stored and then drag it over to Foxit PDF Editor. Please note**: It is not necessary to open the image file that you would like to convert to PDF. Foxit PDF Editor will convert this image file into a PDF document. png, etc ) onto Foxit PDF Editor while opened. Step 1: Drag and drop a image file (for e.g. Here you will be presented with the same window as above and follow the same steps to run the OCR function on your document.Īnother common way to use the OCR function within Foxit PDF Editor is on images. Step 2: Because Make Searchable (run OCR) was selected, you can now search your scanned PDF for keywords using Ctrl + F.Īlternatively, you can perform this same function by going to Convert > From Scanner within Foxit PDF Editor. Once you’ve connected, your scanner, these options will be available to select. Please note: ***This option appears greyed out because my scanner is not connected to my personal laptop. Step 1: Go to File > Create > From Scanner > Select Your Scanner > Make Searchable (run OCR)> Scan. To perform the OCR feature on a scanned document: There are many ways to use the OCR (Optical Character Recognition) tool within Foxit PDF Editor but the most common ways include OCR-ing a scanned document or image.
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