IronOCRとPDFTRON OCRの比較

1.1 PDFTron OCRの紹介と機能

PDFTron SDKでOCRを使用するには、別途OCRモジュールアドオンユーティリティをインストールする必要があります。 これにより、SDKが文書からテキストを検出するのを支援します。 テキストの選択および検索を可能にします。 PDFTron SDKは100か国語以上に対応しています。 PDFTron OCRエンジンは、TesseractのオープンソースLSTMニューラルネットワークによりサポートされています。 PDFTron OCRは複数の画像形式に対応してテキストを検出します。 ラスター画像のみのPDFもOCRで受け入れられ、出力品質は入力画像に依存します。 OCRに最適な画像は、300 DPI解像度のグレースケール画像です。

PDFTron OCRの機能

• 印刷された文書内の画像を検索可能にする。
• 単純なPDFを検索可能なPDFに変換する。
• ビジネス文書から重要な情報を検出する。
• 本のスキャンを容易にする。
• 車両の画像から車両番号の検出。
• 視覚障害者を支援する。
• ファイルを使用して複数の文書でのデータ入力を簡単に実行できる。
• 名刺から連絡データリストへの情報を簡単に転送する。

1.2 IronOCR — 序論と特徴

Iron Softwareは、ソフトウェアエンジニアにIronOCR for .NETを提供し、.NETアプリやウェブサイトで写真やPDFからテキストコンテンツを読み取ることができます。 このソフトウェアは、写真のスキャンを行い、テキストやバーコードをサポートし、多数の国際言語をサポートし、プレーンテキストや構造化データとして出力します。 Iron SoftwareのOCRライブラリは、Web、コンソール、MVC、そして多くの.NETデスクトップアプリケーションで利用できます。 商業デプロイメントの場合、購入したライセンスに加えて開発チームからの直接サポートが提供されます。

• IronOCRは、任意のPDF形式からテキスト、QRコード、バーコードを読み取る最新のTesseract 5エンジンを使用しています。 このライブラリを使用してデスクトップ、Webアプリケーション、コンソールにOCRを追加すると、迅速な統合が可能です。
• IronOCRは125か国語に対応しています。 カスタム言語や単語リストもサポートしています。
• IronOCRは20以上のバーコードおよびQRコード形式を読み取ることができます。
• 複数ページのGIFおよびTIFF画像形式をサポートします。
• 低品質のスキャンおよび画像を補正します。
• マルチスレッドをサポートします。 1つ以上のプロセスを同時に実行できます。
• IronOCRは、ページ、段落、行、単語、文字などへの構造化データ出力を提供できます。
• IronOCRは、Windows、Linux、macOSなどのオペレーティングシステムをサポートします。

2. Visual Studioで新しいプロジェクトを作成する

Visual Studioを開き、ファイルメニューを見つけてください。 新しいプロジェクトを選択し、次にコンソールアプリケーションを選択します。 PDFドキュメントを生成するために、この記事ではコンソールアプリケーションを使用します。

次に、Createボタンをクリックします。

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3.0 インストール

will allow you to efficiently specify numerous pages. You must also include the location and the extension of the file. The code snippet below demonstrates this: ```csharp IEnumerable numbers = new List {2,8,10}; // Create an IronTesseract object var Ocr = new IronTesseract(); using (var Input = new OcrInput()) { // Single page Input.AddPdfPage("example.pdf",10); // Multiple pages Input.AddPdfPages("example.pdf", numbers); var Result = Ocr.Read(Input); Console.WriteLine(Result.Text); // Save result to a text file Result.SaveAsTextFile("ocrtext.txt"); } ``` Use the SaveAsTextFile function to directly store the result in a text file format so you can directly download the file to the output directory path. To save the file into HTML format, use SaveAsHocrFile. ### 6.1 Using PDFTron We can use the PDFTron SDK to extract images from PDF files, along with their positioning information and DPI. Instead of converting PDF images to a Bitmap, you can also extract uncompressed/compressed image data directly using elements.GetImageData() (described in the PDF Data Extraction code sample). Learn more about our C# PDF Library and the PDF Parsing and Content Extraction Library. ### 6.2 IronOCRを使用する場合 IronOCR has an impressive number of features that will allow you to read QR codes and barcodes directly from scanned documents. The code snippet below demonstrates how you can scan the barcode from a given image or document. ```csharp // Create an IronTesseract object var Ocr = new IronTesseract(); Ocr.Language = OcrLanguage.EnglishBest; Ocr.Configuration.ReadBarCodes = true; Ocr.Configuration.TesseractVersion = TesseractVersion.Tesseract5; using (var Input = new OcrInput()) { // Add an image with a barcode Input.AddImage("barcode.gif"); // Read the image var Result = Ocr.Read(Input); // Iterate over all barcodes found and display their values foreach (var Barcode in Result.Barcodes) { Console.WriteLine(Barcode.Value); } } ``` The above code helps read the barcode from a given image or PDF document. Numerous barcodes can be read at the same time in a single image or page. IronOCR has a distinctive method that will read the barcode, Ocr.Configuration.ReadBarCodes. The data is stored in an object called OCRResult after scanning the input. The property in OCRResult is called Barcodes which will have a list of all the available barcode data. We can obtain each individual data related to the barcode details by utilizing a for-each loop. Two operations are completed in a single process- the scanning and reading of the value of the barcode. Support for threading options is also available, and multiple OCR processes can be completed at the same time. Additionally, IronOCR can recognize a precise area from a specified region. ```csharp // Create an IronTesseract object var Ocr = new IronTesseract(); using (var Input = new OcrInput()) { // Define the content area to be scanned var ContentArea = new System.Drawing.Rectangle() { X = 215, Y = 1250, Height = 280, Width = 1335 }; // Add image specifying the content area Input.Add("document.png", ContentArea); // Perform OCR operation var Result = Ocr.Read(Input); // Print the text Console.WriteLine(Result.Text); } ``` The code snippet above demonstrates how to perform OCR on a distinct region. You are only required to specify the rectangular region in the PDF/image as IronOCR's Tesseract engine will aid in recognizing the text. ## IronOCR and PDFtron OCR License Models and Pricing ### IronOCR License Models and Pricing **A 30-Day Money-Back Guarantee:** Once a license is purchased, you will get 30-days money back guarantee. Within the 30-days, if you wish to return the product, you will receive your money back. **Easy Integration:** The integration of IronOCR with any project and environment is so effortless that it can be achieved in a single line of code simply by adding it as a [NuGet](https://www.nuget.org/packages/IronPdf) Package. On the other hand, another way to integrate the environment is to directly download it from the web. **Perpetual Licensing:** Each license purchased does not require renewal. **Free Support and Product Updates**: Every license will have support directly from the group behind the product and will come with a year of free product updates. Purchasing extensions is available at any time. **Immediate Licenses:** Once payment is received, registered license keys will be sent out immediately. すべてのライセンスは永続的であり、開発、ステージング、本番環境に適用されます。 #### The Lite License * 1 developer * 1 location * 1 project * Perpetual license This package allows a single software developer in an organization to utilize Iron Software in one location. Iron Software can be utilized in a single intranet application, web application, or desktop software program. It is prohibited to share licenses outside of an organization or an agency/client relationship as they are non-transferable. This license type, like all other license types, expressly excludes all rights not expressly granted under the Agreement without OEM redistribution and utilizing the Iron Software as SaaS without purchasing additional coverage. **Pricing:** Starts from $799 per year. #### プロフェッショナルライセンス * 10 developers * 10 locations * 10 projects * Perpetual license This license allows a predetermined number of software developers in an organization to utilize Iron Software in numerous locations, with up to a maximum of ten. Iron Software can be used in as many websites, intranet applications, or desktop software applications as you like. Licenses are non-transferable, and they cannot be shared outside of an organization or an agency/client relationship. This license type, like all other license types, expressly excludes all rights not expressly granted under the Agreement, including OEM redistribution and utilizing the Iron Software as SaaS without purchasing additional coverage. このライセンスは、最大10のプロジェクトに統合できます。 **価格：**年間$999から始まります。 #### 無制限ライセンス * Unlimited developers * Unlimited locations * Unlimited projects * Perpetual license This license allows an unlimited number of software developers in an organization to utilize Iron Software in an unlimited number of locations. Iron Software can be used in as many intranet applications, desktop software applications, or websites as you like. Licenses are non-transferable, and they cannot be shared outside of an organization or an agency/client relationship. This license type, like all other license types, expressly excludes all rights not granted under the Agreement, including OEM redistribution and utilizing the Iron Software as a SaaS without purchasing additional coverage. **Pricing:** Starts from $4,799 per year. **Royalty-Free Redistribution** — This allows you to distribute the Iron Software as part of several differently packaged commercial products (without having to pay royalties) based on the number of projects covered by the base license. This will allow the deployment of Iron Software within SaaS software services, which is based on the number of projects covered by the base license. **価格：**年間$1,599から始まります。

### PDFTron License Models and Pricing #### PDFTron Packages (Custom licenses) * Prices for custom licenses vary- get a quote to suit your specific budget. * Deploy PDFTron's powerful document viewing and editing technology for rendering and document processing on web, mobile, and desktop platforms * Ready for integration, OEM redistribution, and organizations with large document volumes or unique requirements * Multi-domain pricing and favorable multi-year discounts * Offline and sandboxed operations supported * Custom, comprehensive contract terms * Consulting and training services PDFTron custom licenses are tailored to match your application and business requirements. Pricing is dependent on your feature scope.

The IronOCR **Lite** license is an undefined package that includes one developer with one year of support, and costs around $799. The IronOCR **professional license** including 10-developer packages and one year of support costs $999, while again, PDFTron packages are undefined. To buy a package, you must contact the support center to get a quote. The IronOCR **Lite** and **Professional** packages include OEM or SaaS service with a 5-year support option. The **Lite** version includes a one-developer package with 5-year support and Saas and OEM service costs $2,897 with a customized support option. The IronOCR **Professional** version includes a 10-developer package with 5-year support, Saas, and OEM service and costs $3,397. PDFTron's 10-developer package with one year of support, Saas, and OEM service does not have a defined price. ## 7.0 結論 IronOCR in the .NET Framework context supplies Tesseract that is straightforward to use with the support of photos and PDF documents achieved in numerous ways. It also provides several settings for improving the Tesseract OCR performance. A diverse number of languages are supported, with the ability to have numerous languages in a single operation. Visit their website to learn more regarding the Tesseract OCR. PDFTron is a software application that uses different engines to recognize images and PDF documents. It also provides various settings to improve the performance of the OCR process and the choice to select multiple languages. PDFTron has limitations on the usage of page conversions. It also has various prices for different operating systems. IronOCR is a competitive software product and can offer greater accuracy than competing brands. Similar products have at times failed to recognize low-quality images resulting in unknown characters. On the other hand, IronOCR not only provides accurate results but allows us to recognize barcode data and read the value of barcodes from images. The IronOCR packages provide competitive licensing and support at a single price for all platforms. By comparison, PDFTron's OCR products are all exclusively custom-selected which tend to be more expensive. Pricing varies between both products with IronOCR starting at a price of $799, while due to custom selection, PDFTron's starting price is undefined. In conclusion, IronOCR provides a wider assortment of features for a lower price. だから、何を待っていますか？ 無料トライアルは誰にでも開放されています。 Obtain the [License](/csharp/ocr/licensing/) here and start immediately!

ご注意PDFTron OCR is a registered trademark of its respective owner. This site is not affiliated with, endorsed by, or sponsored by PDFTron OCR. すべての製品名、ロゴ、およびブランドは各所有者の所有物です。 比較は情報提供のみを目的としており、執筆時点で公開されている情報を反映しています。