/// <summary>
/// Extract image text using specific language.
/// </summary>
/// <param name="fileName">The image file name.</param>
/// <param name="language">The language.</param>
/// <param name="useDefaultDictionaries">Use default dictionaries or not.</param>
/// <param name="folder">The image folder.</param>
/// <returns><see cref="OCRResponse"/> with the operation result.</returns>
public OCRResponse ExtractText(string imageFileName, LanguageName language, bool useDefaultDictionaries = false, string folder = null)
{
//build URI to extract text
string strURI = "";
if (string.IsNullOrEmpty(folder))
{
strURI = Product.BaseProductUri + "/ocr/" + imageFileName + "/recognize?language=" + language + "&useDefaultDictionaries=" + useDefaultDictionaries;
}
else
{
strURI = Product.BaseProductUri + "/ocr/" + imageFileName + "/recognize?language=" + language + "&useDefaultDictionaries=" + useDefaultDictionaries + "&folder=" + folder;
}
//sign URI
string signedURI = Utils.Sign(strURI);
//execute signed URI request and get response
Stream responseStream = Utils.ProcessCommand(signedURI, "GET");
StreamReader reader = new StreamReader(responseStream);
string strJSON = reader.ReadToEnd();
//Parse the json string to JObject
JObject parsedJSON = JObject.Parse(strJSON);
//Deserializes the JSON to a object.
OCRResponse ocrResponse = JsonConvert.DeserializeObject <OCRResponse>(parsedJSON.ToString());
return(ocrResponse);
}
/// <summary>
/// Extract image text using default settings.
/// </summary>
/// <param name="fileName">The image file name.</param>
/// <param name="folder">The image file folder.</param>
/// <returns><see cref="OCRResponse"/> with the operation result.</returns>
public OCRResponse ExtractText(string imageFileName, string folder = null)
{
//build URI to extract text
string strURI = "";
if (folder == null || folder == string.Empty)
{
strURI = Product.BaseProductUri + "/ocr/" + imageFileName + "/recognize";
}
else
{
strURI = Product.BaseProductUri + "/ocr/" + imageFileName + "/recognize?folder=" + folder;
}
//sign URI
string signedURI = Utils.Sign(strURI);
//execute signed URI request and get response
Stream responseStream = Utils.ProcessCommand(signedURI, "GET");
StreamReader reader = new StreamReader(responseStream);
string strJSON = reader.ReadToEnd();
//Parse the json string to JObject
JObject parsedJSON = JObject.Parse(strJSON);
//Deserializes the JSON to a object.
OCRResponse ocrResponse = JsonConvert.DeserializeObject <OCRResponse>(parsedJSON.ToString());
return(ocrResponse);
}
/// <summary>
/// Scans whole or part of images and extracts OCR text
/// </summary>
/// <param name="imageFileName">Name of the image file</param>
/// <param name="language">Language of document to recognize</param>
/// /// <param name="useDefaultDictionaries">Allows to correct text after recognition using default dictionaries</param>
/// /// <param name="x">Start x of the rectangle: Recognition of text inside specified Rectangle region</param>
/// /// <param name="y">Start y of the rectangle: Recognition of text inside specified Rectangle region</param>
/// /// <param name="width">Width of the rectangle: Recognition of text inside specified Rectangle region</param>
/// /// <param name="height">Height of the rectangle: Recognition of text inside specified Rectangle region</param>
/// /// <param name="folder">Folder with images to recognize</param>
/// <returns></returns>
public OCRResponse ExtractText(string imageFileName, LanguageName language, bool useDefaultDictionaries, int x, int y,
int width, int height, string folder)
{
//build URI to extract text
string strURI = Product.BaseProductUri + "/ocr/" + imageFileName + "/recognize?language=" + language +
((x >= 0 && y >= 0 && width > 0 && height > 0) ? "&rectX=" + x + "&rectY=" + y + "&rectWidth=" + width + "&rectHeight=" + height : "") +
"&useDefaultDictionaries=" + ((useDefaultDictionaries) ? "true" : "false") +
((string.IsNullOrEmpty(folder)) ? "" : "&folder=" + folder);
//sign URI
string signedURI = Utils.Sign(strURI);
//execute signed URI request and get response
Stream responseStream = Utils.ProcessCommand(signedURI, "GET");
StreamReader reader = new StreamReader(responseStream);
string strJSON = reader.ReadToEnd();
//Parse the json string to JObject
JObject parsedJSON = JObject.Parse(strJSON);
//Deserializes the JSON to a object.
OCRResponse ocrResponse = JsonConvert.DeserializeObject <OCRResponse>(parsedJSON.ToString());
return(ocrResponse);
}
/// <summary>
/// Extract Text from remote image URL.
/// </summary>
/// <param name="url">The image url.</param>
/// <param name="language">The specific language.</param>
/// <param name="useDefaultDictionaries">Use default dictionaries or not.</param>
/// <returns><see cref="OCRResponse"/> with the operation result.</returns>
public OCRResponse ExtractTextFromURL(string url, LanguageName language, bool useDefaultDictionaries = false)
{
//build URI to extract text
string strURI = Product.BaseProductUri + "/ocr/recognize?url=" + url + "&language=" + language + "&useDefaultDictionaries=" + useDefaultDictionaries;
//sign URI
string signedURI = Utils.Sign(strURI);
//execute signed URI request and get response
Stream responseStream = Utils.ProcessCommand(signedURI, "POST");
StreamReader reader = new StreamReader(responseStream);
string strJSON = reader.ReadToEnd();
//Parse the json string to JObject
JObject parsedJSON = JObject.Parse(strJSON);
//Deserializes the JSON to a object.
OCRResponse ocrResponse = JsonConvert.DeserializeObject <OCRResponse>(parsedJSON.ToString());
return(ocrResponse);
}
/// <summary>
/// Scans whole or part of images and extracts OCR text
/// </summary>
/// <param name="imageFileName">Name of the image file</param>
public OCRResponse ExtractText(string imageFileName)
{
//build URI to extract text
string strURI = Product.BaseProductUri + "/ocr/" + imageFileName + "/recognize?useDefaultDictionaries=true";
//sign URI
string signedURI = Utils.Sign(strURI);
//execute signed URI request and get response
Stream responseStream = Utils.ProcessCommand(signedURI, "GET");
StreamReader reader = new StreamReader(responseStream);
string strJSON = reader.ReadToEnd();
//Parse the json string to JObject
JObject parsedJSON = JObject.Parse(strJSON);
//Deserializes the JSON to a object.
OCRResponse ocrResponse = JsonConvert.DeserializeObject <OCRResponse>(parsedJSON.ToString());
return(ocrResponse);
}
