Document Image Processing for Paper Side Communications

Document Image Processing for Hospital Information Systems

In this chapter, we introduce document image processing methods and their applications in the field of Medical (and Clinical) Science. Though the use of electronic health record systems are gradually spreading especially among big hospitals in Japan, and e-health environment will be thoroughly available in near future [1–3], a large amount of paper based medical records are still stocked in med...

Document image processing: graphics recognition

Document analysis or processing is mainly related to texts and graphics. It concerns separation, localisation and recognition. According to Nagy (2000), document analysis is related to document image analysis (DIA) since the overall research works have been concerned with document image interpretation. In a similar manner, Kasturi et al. (2002) categorises document image analysis into two domai...

Learning Surrogate Models of Document Image Quality Metrics for Automated Document Image Processing

Computation of document image quality metrics often depends upon the availability of a ground truth image corresponding to the document. This limits the applicability of quality metrics in applications such as hyperparameter optimization of image processing algorithms that operate on-the-fly on unseen documents. This work proposes the use of surrogate models to learn the behavior of a given doc...

A Novel Scheme for Image Rotation for Document Processing

Rotation of the binary image of a document page for correcting the skew in the case of OCR or signature verification systems entails disfigurement of the shape of the characters, which brings down the performance of the pattern classifier. An elegant algorithm is presented in this paper for distortion-free rotation. Multirate signal processing principles are applied to solve this problem, which...

Toward high-quality image communications: inverse problems in image processing