Document processing is an essential part of the overall document management workflow, which involves using multiple tools and technologies. However, choosing the most efficient technique to extract data can be a challenge, especially if you regularly receive and process documents with varying layouts. Two key technologies in this space are optical character recognition (OCR) and intelligent character recognition (ICR). Understanding how they work, and their differences, can help you select the ideal solution for your specific business use case.
In this blog post, we will settle the OCR vs. ICR debate.
What is OCR?
OCR is a well-established technology that converts printed text into digital data. It recognizes characters in scanned images or documents and turns them into editable text. This is especially useful for digitizing documents like invoices, reports, and other printed materials.
OCR works best when the text is printed clearly in standard fonts. However, its accuracy can decrease with distorted text or unusual fonts. If you’re processing large volumes of printed content, OCR can save significant time and effort by converting paper-based information into searchable digital formats.
When to use OCR
OCR is the ideal choice when your documents consist of clearly printed text, such as:
- Business documents like invoices, contracts, or letters
- Scanned reports or articles
- Official forms with pre-printed fields
Read more: IDP vs. OCR
What is ICR?
ICR is an advanced version of OCR designed to handle more complex documents, particularly those with handwritten text. It leverages artificial intelligence (AI) and machine learning algorithms to analyze and recognize a wide range of handwriting styles, making it more versatile than traditional OCR.
While OCR excels with printed text, ICR is better suited for documents that include handwritten fields, such as forms or surveys. Its ability to improve accuracy as it processes more documents makes it a powerful tool for industries dealing with a mix of printed and handwritten data.
When to use ICR
ICR is best for documents with handwritten content or those where text recognition is more challenging, such as:
- Handwritten forms, surveys, or customer feedback
- Medical records and applications
- Documents with signatures, annotations, or notes
OCR vs. ICR: Summarizing the differences
While both OCR and ICR serve similar functions—extracting data from documents—they are designed for different types of content. Here’s a direct comparison:
Type of text involved
Printed text (clear fonts)
Handwritten text (varied styles).
Level of accuracy
High for printed documents.
High for handwritten documents.
Ability to improve over time
Doesn’t improve with usage.
Learns and adapts, improving over time.
Use cases supported
Scanning and extracting data from printed documents.
Extracting data from handwritten forms, records, and surveys.
Advanced technologies related to OCR and ICR that simplify document processing
While OCR and ICR are essential tools, they aren’t the only options available for automating document processing. Several emerging technologies can help businesses further streamline data extraction and improve accuracy.
Intelligent document processing (IDP)
IDP integrates OCR, ICR, and AI to automate and optimize document classification, data extraction, and workflow management. It’s especially effective for handling unstructured data, such as emails or documents with mixed content. IDP goes beyond simple recognition and uses AI to understand the context of the text.
Using an IDP solution, your teams can automatically extract data from invoices while also extracting signatures or handwritten notes and categorize the document type (e.g., invoice, receipt) in one seamless process.
Use AI to automatically process multiple documents with varying layouts
Astera offers an AI-powered document processing solution that enables you to extract data from hundreds of document in minutes. All you have to do is specify the data you need and Astera Intelligence does the rest. Try Astera for free.
14-day Free Trial Machine learning-based data extraction
Machine learning algorithms are increasingly capable of handling complex document types. Unlike traditional OCR and ICR, which rely on predefined rules, machine learning-based data extraction systems automatically adapt and refine their performance as they process more documents.
Their ability to learn from a variety of document formats and layouts allows them to continuously improve, making them particularly effective for handling diverse and dynamic content. This means that machine learning models can also help improve the accuracy of OCR and ICR systems by learning to recognize variations in document fonts and handwriting styles.
Natural language processing (NLP)
NLP enhances data extraction by analyzing text for meaning and context, helping to automatically classify, extract, and interpret data more intelligently. It can be especially useful for extracting specific information from unstructured documents like legal contracts or customer feedback.
While OCR and ICR focus on converting text, NLP can help make sense of that text if used in tandem. For instance, it can identify key data points like dates, amounts, or terms in unstructured documents, improving the accuracy of data extraction from complex documents.
OCR vs. ICR: Choosing the right technology
The decision to use OCR or ICR primarily depends on the nature of your documents. OCR is perfect for straightforward, printed text, while ICR shines with handwritten or mixed-content documents. However, if your organization deals with large volumes of varied content, consider integrating an AI-powered document processing solution, such as Astera, for enhanced accuracy and efficiency.
Streamline document processing with Astera
Processing documents and extracting data is just a breeze with Astera’s AI-document processing platform. From claims forms to shipping documents to medical records, all you have to do is specify the fields and Astera Intelligence (AI) will automatically extract the data accurately.
What truly sets Astera apart is the ability to build AI-powered pipelines that automate the entire document processing workflow from end-to-end. Contact us and discuss your use case today.
OCR vs. ICR: Frequently Asked Questions (FAQs)
What is the difference between OCR and ICR?
OCR (Optical Character Recognition) converts printed or typed text from images into machine-readable text. ICR (Intelligent Character Recognition), on the other hand, takes it further by recognizing handwritten characters and learning from patterns over time.
How does ICR improve accuracy compared to OCR?
ICR leverages AI and machine learning to adapt and improve its recognition of handwriting or complex fonts, ensuring more accurate data extraction compared to traditional OCR.
How do OCR and ICR simplify document searches?
OCR and ICR, when used with smart document management systems, enable contextual data searches, quickly finding key details like warranty clauses in contracts within seconds.
Can I use OCR and ICR together?
Yes, using both OCR and ICR together allows you to handle documents with both printed and handwritten text. The combination streamlines workflows and improves overall accuracy, especially when integrated with
intelligent document processing solutions. How does AI enhance OCR and ICR for data extraction?
AI improves OCR and ICR by automating data field selection and extraction. With AI-driven mapping capabilities, both OCR and ICR can process various file types, including PDFs, DOC, RTF, CSV, XLS, XLSX and more.
What are the main industries that use ICR?
Healthcare, finance, and government organizations frequently use ICR for processing handwritten forms, medical records, and customer feedback.
Can OCR handle non-English text?
Yes, many OCR systems support multiple languages and can process text in different, yet limited, character sets, such as Chinese, Arabic, or Cyrillic.
Is intelligent document processing (IDP) better than OCR or ICR?
IDP is more advanced than OCR and ICR because it integrates multiple AI technologies with OCR, ICR, and NLP to handle unstructured data, classify documents, and improve decision-making.
Authors:
- Khurram Haider