11/19/2023 0 Comments Make pdf searchable![]() The images must to be fixed to recognize well. While it is possible to also perform recognition in this step, there is no need because it will occur when building the PDF. This is an example ruleset that will convert the PDF to images. The following shows the basic steps that can be integrated into an application as needed: ![]() Convert the images to a searchable PDF.Use image enhancement to fix rotation, deskew, and enhance the images.The following are general steps to perform full page recognition in this situation: Because the document is split into multiple pages, the new PDF can be built from all of the pages or from a subset of pages. These are very strong reasons to first create an image then perform recognition, and why it is typically the best path. Image cleanup and adjustment though border removal, despeckling, line removal, and so on.The following are the steps that can only be performed on a separate image: In image processing, the image can be adjusted to improve the quality of the recognized text. The primary benefit to first converting to an image is that this step allows for image processing prior to recognition. The first approach, where the PDF is first converted to an image than the images are rebuilt into a PDF, is usually the best approach. Convert the existing PDF to a searchable PDF in one step.Convert the PDF pages to images then combine those images into a searchable PDF.There are the following two basic approaches to recognize text within a PDF:
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