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Using OCR to convert images to text ( Tesseract . js + React) - Medium
2 May 2019 ... We're going to build a single page react app that will accept multiple image uploads, process them via Tesseract . js , and produce an output ...

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Figure 3-19. Comparing an original (left), resized (middle), and rescaled (right) page To use scaling, you need to use a transform. As you ll discover in 9, transforms are a key part of Silverlight s flexible 2-D drawing framework. They allow you to rescale, skew, rotate, and otherwise change the appearance of any element. In this example, you need the help of a ScaleTransform to change the scale of your page. There are two ways that you can use the ScaleTransform. The first option is a do-it-yourself approach. You respond to the UserControl.SizeChanged event, examine the current size of the page, carry out the appropriate calculations, and create the ScaleTransform by hand. Although this works, there s a far less painful alternative. You can use the Viewbox control from the Silverlight Toolkit, which performs exactly the same task, but doesn t require a line of code. This is the approach you ll see in this chapter (for the code-heavy manual approach, refer to the downloadable sample code for this chapter).



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Tesseract. js | Pure Javascript OCR for 100 Languages!
Tesseract. js is a pure Javascript port of the popular Tesseract OCR engine. ... a simple interface for reading paragraph, word, and character bounding boxes.

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How to convert images to text with pure JavaScript using Tesseract ...
25 Dec 2018 ... For JavaScript , there's a popular solution based on the Tesseract OCR engine, we are talking about the Tesseract. js project. Tesseract. js is a ...

Figure 8-1. SQL Server 2008 encryption hierarchy SQL Server 2008 also introduces the concept of the server certificate, which is a certificate created in the master database for the purpose of protecting database encryption keys. Database encryption keys are symmetric encryption keys created to encrypt entire databases via TDE.

Because these autogenerated assemblies are true-blue .NET binaries, if you were to open your web applications related *.dll using ildasm.exe, you would indeed find CIL code, metadata, and an assembly-level manifest.





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javascript OCR API - Stack Overflow
You could use the OCR API from HP Haven OnDemand. There are free developer accounts, you can try the API online with your own image , ...

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How to Use Tesseract .js, an OCR Engine for the Browser - Progur!
12 Oct 2016 ... Tesseract .js is a lightweight JavaScript library that lets you add OCR ... The easiest way to include Tesseract .js in your HTML5 webpage is to ...

Before you can write the rescaling code that you need, you need to make sure your markup is configured correctly. Here are the requirements you must meet: Your user control can t be explicitly sized instead, it needs to be able to grow to fill the browser window. In order to rescale a window to the right dimensions, you need to know its ideal size, that is, the dimensions that exactly fit all of its content. Although these dimensions won t be set in your markup, they ll be used for the scaling calculations in your code. To use the Viewbox, you need an assembly reference to the System.Windows.Controls.Toolkit.dll assembly, and you need to map the namespace prefix in your markup, just as you did for the WrapPanel and DockPanel examples.

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Step #1 - MediaDevices.getUserMedia(). MediaDevices.getUserMedia is a browser API that allows web apps to access user's camera and microphone.

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This color was named with the keyword Giallo Ocra by the users. Convert colour Giallo Ocra to RGB, Hex, Pantone, RAL or CMYK.

The compilation process of a page making use of the code-behind model is similar to that of the single-file model. However, the type deriving from System.Web.UI.Page is composed from three (yes, three) files rather than the expected two. Looking back at the previous CodeBehindPageModel example, recall that the Default.aspx file was connected to a partial class named _Default within the code-behind file. If you have a background in ASP .NET 1.x, you may wonder what happened to the member variable declarations for the various web controls as well as the code within InitializeComponent(), such as event handling logic. Under ASP .NET 2.0, these details are accounted for by a third file generated in memory. In reality, of course, this is not a literal file, but an in-memory representation of the partial class. Consider Figure 25-17.

As I mentioned in the previous section, the SMK is automatically generated by SQL Server the first time it is needed. Because the SMK is generated automatically and managed by SQL Server, there are only a couple of administrative tasks you need to perform for this key, namely backing it up and restoring it on a server as necessary. Listing 8-1 demonstrates the BACKUP and RESTORE SERVICE MASTER KEY statements. Listing 8-1. BACKUP and RESTORE SMK Examples -- Back up the SMK to a file BACKUP SERVICE MASTER KEY TO FILE = 'c:\SQL2008.SMK' ENCRYPTION BY PASSWORD = 'p@$$w0rd'; -- Restore the SMK from a file RESTORE SERVICE MASTER KEY FROM FILE = 'c:\SQL2008.SMK' DECRYPTION BY PASSWORD = 'p@$$w0rd';

In this model, the web controls declared in the *.aspx file are used to build the additional partial class that defines each UI member variable and the configuration logic that used to be found within the InitializeComponent() method of ASP .NET 1.x (we just never directly see it). This partial class is combined at compile time with the code-behind file to result in the base class of the generated _aspx class type (in the single-file page compilation model, the generated _aspx file derived directly from System.Web.UI.Page). In either case, once the assembly has been created upon the initial HTTP request, it will be reused for all subsequent requests, and thus will not have to be recompiled. Understanding this factoid should help explain why the first request of an *.aspx page takes the longest, and subsequent hits to the same page are extremely efficient.

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How to convert images to text with pure JavaScript using Tesseract . js
25 Dec 2018 ... Tesseract. js is a pure Javascript port of the popular Tesseract OCR engine. ... With the previous example and using only 2 languages, the ...

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