Aspose.OMR Cloud is an easy-to-use and versatile online service for designing, rendering, and recognizing hand-filled answer sheets, surveys, questionnaires, tests, insurance claims, and similar forms. With it, you can quickly develop on-premise and web-based .NET software for optical mark recognition (OMR) that requires minimal resources on the client side — all the work is performed by remote services. This software development kit (SDK) simplifies interaction with Aspose.OMR Cloud services, allowing you to focus on the task at hand and not the technical details. It handles all routine operations such as establishing connections, sending API requests, and parsing responses, wrapping all these tasks into a few simple methods for any .NET application. The SDK, demo apps, and form templates are distributed under the MIT license and can be modified for any commercial or free project.

Features

• Use your smartphone camera instead of a scanner
• Read all types of marks drawn with pen, pencil, or marker
• Supports all image formats you can get from a scanner or camera
• Processes write-in fields and custom drawings
• Superior recognition accuracy for reliable results
• Fine-tune recognition parameters to handle difficult cases
• Powerful markup languages for creating all types of forms
• Personalize forms with barcodes, QR codes, branding, and images
• Requires minimal resources on end-user devices
• Printable form formats: PDF, JPEG, PNG, TIFF, GIF, BMP
• Recognition results: CSV, JSON, XML

Benefits

The .NET SDK makes it easy to integrate .NET applications with Aspose.OMR Cloud by eliminating the need for low-level code such as request flow, HTTP headers, or error handling — these tasks can be completed in a few lines of native C#, F#, or Visual Basic code. OMR SDK for .NET includes fully functional examples to help developers quickly understand its features and start building solutions. OMR greatly simplifies the process of collecting and analyzing manually filled data. It fully automates recognition and can process hundreds of sheets per minute with nearly 100% accuracy, saving results directly to a database. Applications include: Education — answer sheets, tests, quizzes, SAT forms. Questionnaires — satisfaction surveys, feedback forms, orders, meal preferences. Applications — insurance claims, financial applications, border entry forms. The API supports the complete OMR workflow, from form design to recognition. Using highly flexible JSON and text markups with 20 layout elements, you can create forms of any complexity. Generated forms can be printed on any standard printer or professional printing equipment. No specialized scanners or hardware are required. Advanced image analysis and AI allow recognition from regular pens, office copiers, or smartphone cameras, while maintaining accuracy comparable to specialized hardware systems. Aspose.OMR Cloud runs in a high-performance cloud environment with no special hardware or OS requirements. An Aspose Cloud account provides access to additional cloud APIs, enabling workflows such as reading write-in fields with OCR, generating documents, or analyzing survey data with pivot tables. All tasks follow a unified method, reducing development and maintenance costs.