private string OCR_AccurateBasic(Image image, bool GeneralOrAccurate)
{
if (image.Width > 4096 || image.Height > 4096)
{
return("图片尺寸太大了,图片尺寸改小些再试试.最大边长不能超过4096像素 Width:" + image.Width.ToString() + " Height:" + image.Height.ToString());
}
var client = new Baidu.Aip.Ocr.Ocr(API_KEY, SECRET_KEY);
client.Timeout = 60000; // 修改超时时间
var imageByte = ImageProcess.ImageToBytes(image);
/*
* // 如果有可选参数
* var options = new Dictionary<string, object>{
* {"language_type", "CHN_ENG"},
* {"detect_direction", "true"},
* {"detect_language", "true"},
* {"probability", "true"}
* };
* // 带参数调用通用文字识别, 图片参数为本地图片
* var result = client.GeneralBasic(image, options);
*/
JObject result;
if (GeneralOrAccurate)
{
result = client.AccurateBasic(imageByte);
}
else
{
// 调用通用文字识别, 图片参数为本地图片，可能会抛出网络等异常，请使用try/catch捕获
result = client.GeneralBasic(imageByte);
}
JToken words_result_num = result.SelectToken("words_result_num");
if (Convert.ToInt32(words_result_num) > 0)
{
var words = result.SelectToken("words_result").Select(p => p["words"]).ToList();
string temp = "";
foreach (var word in words)
{
temp = temp + word.ToString() + "\r\n";
}
return(temp);
}
else
{
return("");
}
}
private void dataGridViewClipboardDataView_CellEnter(object sender, DataGridViewCellEventArgs e)
{
if (e.ColumnIndex < 0 || e.RowIndex < 0)
{
return;
}
if (dataGridViewClipboardDataView.Rows[e.RowIndex].Cells[2].Value.ToString() == "图片")
{
Image image = ImageProcess.GetImageByBytes((byte[])dataGridViewClipboardDataView.Rows[e.RowIndex].Cells[4].Value);
pictureBox1.Image = image;
}
richTextBox1.Text = dataGridViewClipboardDataView.Rows[e.RowIndex].Cells[0].Value.ToString();
}
private void OCRthread(Image imag, DateTime currentTime)
{
Image image = imag;
if (image == null)
{
return;
}
if (image.Height < 15)
{
int newHeight = 15;
double magnification = (double)newHeight / (double)image.Height;
int newWidth = (int)(image.Width * magnification);
Bitmap bitmap = new Bitmap(image, newWidth, newHeight);
image = bitmap;
}
if (image.Width < 15)
{
int newWidth = 15;
double magnification = (double)newWidth / (double)image.Width;
int newHeight = (int)(image.Height * magnification);
Bitmap bitmap = new Bitmap(image, newWidth, newHeight);
image = bitmap;
}
if (image.Height > _config.Max_image_Height || image.Height < _config.Min_image_Height ||
image.Width > _config.Max_image_Width || image.Width < _config.Min_image_Width
)
{
label3.Text = @"超设置尺寸,本次不识别. W:" + image.Width.ToString() + @" H" + image.Height.ToString();
return;
}
else
{
label3.Text = @"";
}
label1.Text = currentTime.ToString("HH:mm:ss") + @" 从剪切板提取:";
while (ClipboardData.Rows.Count > 20)
{
ClipboardData.Rows[0].Delete();
}
ClipboardData.Rows.Add("", currentTime.ToString("HH:mm:ss:fff"), "图片", "", ImageProcess.ImageToBytes(image));
Baidu_ocr baidu_Ocr = new Baidu_ocr(image, radioButton_Precision_True.Checked, currentTime);
baidu_Ocr.API_KEY = _config.Baidu_ocr_API_KEY;
baidu_Ocr.APP_ID = _config.Baidu_ocr_APP_ID;
baidu_Ocr.SECRET_KEY = _config.Baidu_ocr_SECRET_KEY;
baidu_Ocr.UpdateUIDelegate += UpdataUIStatus;//绑定更新任务状态的委托
//baidu_Ocr.OCR(pictureBox1.Image, radioButton2.Checked);
Thread OCR_thread = new Thread(baidu_Ocr.ThreadOCR);
OCR_thread.IsBackground = true;
OCR_thread.Start();
}
