AWS vs Google Vision（OCR 功能比较）

// Import necessary AWS SDK namespaces
using Amazon;
using Amazon.Textract;
using Amazon.Textract.Model;

// Create a new Textract client using your AWS credentials and region
var client = new AmazonTextractClient("your_access_key_id", "your_secret_access_key", Amazon.RegionEndpoint.PKISB1);

// Prepare a request to analyze a document in an S3 bucket
var request = new AnalyzeDocumentRequest
{
    Document = new Document
    {
        S3Object = new S3Object
        {
            Bucket = "your-bucket-name",
            Name = "your-document-key"
        }
    },
    FeatureTypes = new List<string> { "FORMS", "TABLES" }
};

// Call the AnalyzeDocumentAsync method to asynchronously analyze the document
var response = await client.AnalyzeDocumentAsync(request);

' Import necessary AWS SDK namespaces
Imports Amazon
Imports Amazon.Textract
Imports Amazon.Textract.Model

' Create a new Textract client using your AWS credentials and region
Private client = New AmazonTextractClient("your_access_key_id", "your_secret_access_key", Amazon.RegionEndpoint.PKISB1)

' Prepare a request to analyze a document in an S3 bucket
Private request = New AnalyzeDocumentRequest With {
	.Document = New Document With {
		.S3Object = New S3Object With {
			.Bucket = "your-bucket-name",
			.Name = "your-document-key"
		}
	},
	.FeatureTypes = New List(Of String) From {"FORMS", "TABLES"}
}

' Call the AnalyzeDocumentAsync method to asynchronously analyze the document
Private response = await client.AnalyzeDocumentAsync(request)

// Import necessary Google Cloud Vision namespaces
using Google.Cloud.Vision.V1;
using Google.Protobuf;
using System.IO;
using Google.Apis.Auth.OAuth2;

// Load the service account credentials from the JSON file
var credential = GoogleCredential.FromFile("path-to-credentials.json");
var clientBuilder = new ImageAnnotatorClientBuilder { CredentialsPath = "path-to-credentials.json" };

// Build the ImageAnnotatorClient using the credentials
var client = clientBuilder.Build();

// Load an image file for text detection
var image = Image.FromFile("path-to-your-image.jpg");

// Perform text detection on the image
var response = client.DetectText(image);

// Output the detected text descriptions
foreach (var annotation in response)
{
    Console.WriteLine(annotation.Description);
}

' Import necessary Google Cloud Vision namespaces
Imports Google.Cloud.Vision.V1
Imports Google.Protobuf
Imports System.IO
Imports Google.Apis.Auth.OAuth2

' Load the service account credentials from the JSON file
Private credential = GoogleCredential.FromFile("path-to-credentials.json")
Private clientBuilder = New ImageAnnotatorClientBuilder With {.CredentialsPath = "path-to-credentials.json"}

' Build the ImageAnnotatorClient using the credentials
Private client = clientBuilder.Build()

' Load an image file for text detection
Private image = System.Drawing.Image.FromFile("path-to-your-image.jpg")

' Perform text detection on the image
Private response = client.DetectText(image)

' Output the detected text descriptions
For Each annotation In response
	Console.WriteLine(annotation.Description)
Next annotation

// Import the IronOcr namespace
using IronOcr;

// Initialize the IronTesseract OCR engine
var ocr = new IronTesseract();
ocr.Language = OcrLanguage.English;

// Read and extract text from an image file
var result = ocr.Read("path-to-your-image.jpg");

// Output the extracted text
Console.WriteLine(result.Text);

' Import the IronOcr namespace
Imports IronOcr

' Initialize the IronTesseract OCR engine
Private ocr = New IronTesseract()
ocr.Language = OcrLanguage.English

' Read and extract text from an image file
Dim result = ocr.Read("path-to-your-image.jpg")

' Output the extracted text
Console.WriteLine(result.Text)