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Since 1993, Conversion Technologies International (CTI) has converted billions of pages and images and is a full-service document and image conversion center, specializing in Accounts Payable invoice receiving and data extraction. CTI has provided digital conversion solutions for companies of all sizes, from Fortune 500 to the small business owner, in nearly every industry.

CTI’s proprietary software, Invoice Comparison Extraction (ICE) was designed to provide customers with the lowest cost, highest accuracy and fastest turnaround for invoice capture processing all without putting the burden on the AP department. Simply stated, ICE turns paper, emailed, and faxed invoices into e-Invoices when suppliers cannot send e-Invoices directly. CTI provides for all invoices to become 100% electronic from day 1 providing for a paper free AP.

CTI ICE Overview


Invoice Comparison Extraction
CTI ICE for Coupa uses a proprietary dual invoice extraction process to programmatically compare the dual capture results and deliver a minimum accuracy level of 99.95%. Traditional invoice extraction automation like OCR is designed to use a single pass to extract invoice information accurately and then relies on a human being to validate any fields the OCR program cannot extract with full confidence. In contrast CTI ICE uses a dual pass extraction process using different intelligence levels to not only increase accuracy levels but also to reduce the amount of data cleanup that results from traditional OCR technologies. Additionally while traditional OCR tends to put the cleanup process back on the AP department to resolve, CTI ICE data cleanup is minimal so any cleanup is provided as part of the overall CTI service freeing up the AP department from any invoice data capture cleanup requirements.

Why Dual Data Extraction?
CTI ICE’s dual extraction using different intelligence levels allows CTI ICE to identify invoice fields that traditional OCR might miss using just a single pass especially on non standard invoices. Additionally by programmatically comparing the dual capture fields, CTI ICE provides a higher confidence level as to the accuracy of the data capture which results in the least amount of manual data cleanup required after the comparison process.

Invoice Receiving
Through CTI’s offering, Coupa customers can not only automate the invoice data capture process using CTI ICE but also the entire invoice receiving process. CTI provides for receiving of paper based, emailed, and faxed invoices directly from your suppliers. While it is not required to have CTI manage the entire invoice receiving process to use CTI ICE, by doing so customers can completely free themselves from the front end invoice receiving and capture process and become truly paper free and 100% electronic being CTI will turn those manual invoices into e-Invoices.

ICE Dashboard
CTI ICE’s dashboard provides customers with a web-based graphical status update for all invoices in process. Invoices are tracked from scan and receiving through indexing through delivery to Coupa with status updates for each step. Additionally the ICE Dashboard provides for graphical drill down capability to not only see the invoice detail but also the invoice image. The ICE Dashboard provides for historical invoice analysis where end users can create their own reporting and custom dashboards down to the line level on the invoice.

ICE Dashboard


99.95% accuracy
on invoice capture

24 hours turnaround
from invoice receipt to visibility in Coupa