Cleaning Up 1-Bit Images
(Document/Medical) Scanned documents often contain a number of undesirable elements, including dots, blobs, lines, borders and hole punches. LEADTOOLS provides a number of properties, methods and events that will improve the appearance of scanned documents by removing dots, blobs, lines, borders, hole punches, inverted text, bumps and nicks. The properties and methods are listed below:
Each method listed above takes a number of parameters that control the performance of the corresponding removal process. Included in the parameters is a set of flags that allows you to obtain a LEAD region or a Windows region that contains all the elements removed from a document. For each element found by one of the removal methods, a corresponding event is triggered. These events provide a means of customizing the removal process, as well as creating your composite of the removed regions. These events are given below: