void btn_recog_Click(object sender, EventArgs e)
{
if (this.pb_formimage.Image != null)
{
try
{
this.ag_answers.pb_progress.Value = 0;
this.ag_answers.pb_progress.Minimum = 0;
this.ag_answers.pb_progress.Step = 1;
this.ag_answers.pb_progress.Maximum = this.ag_answers.AnswersCount;
this.ag_answers.btn_recog.Text = "Идет распознавание...";
Recognizer r = new Recognizer(_ge, (Bitmap)this.pb_formimage.Image, _testid);
r.RecItem += new EventHandler(r_RecItem);
r.Prerecognize();
RecogResult rr = r.FindBestRecognize();
r.Recognize(rr.RangeWidth, rr.MinDisp);
_canvas = r.Canvas;
this.ag_answers.Answers = r.Canvas.Answers;
answs = r.Canvas.Answers;
r.Canvas.Answers.SelectTrueCell();
this.pb_formimage.Image = r.Canvas.CorrectedImage;
this.ag_answers.btn_recog.Text = "Распознавание завершено";
this.ag_answers.pb_progress.Value = this.ag_answers.pb_progress.Maximum;
this.ag_answers.btn_recog.Enabled = false;
this.btn_scan.Enabled = false;
if (r.Canvas.Answers.CountWithEmpty + r.Canvas.Answers.CountWithMiss > 15)
{
DialogResult dr = MessageBox.Show("Слишком много ошибок при распознавании.\nПричинами может являтся несоответствие бланка и выбранного теста или некорректные настройки яркости-контрастности сканера.\nБолее подробно читайте в справочной информации к программе.\nЖелаете пересканировать этот бланк?", "Проблемы распознавания", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dr == DialogResult.Yes)
{
RForm rf = new RForm(this._testid, this._humanid, _ge, _fe);
rf.WindowState = FormWindowState.Maximized;
this.Close();
rf.ShowDialog();
}
}
this.lb_status.Text = "Итоги распознавания: вопросов без ответа: " + r.Canvas.Answers.CountWithEmpty.ToString() + ", ошибочных ответов: " + r.Canvas.Answers.CountWithMiss.ToString() + ", несколько ответов в вопросе: " + r.Canvas.Answers.CountWithDoubleCross.ToString();
this.lb_status.Visible = true;
this.chb_onofdesc.Visible = true;
}
catch (Exception ex) { MessageBox.Show(ex.Message); this.Close(); }
}
else
{
MessageBox.Show("Нет изображения");
}
}
public RecogResult FindBestRecognize()
{
List <RecogResult> rlist = new List <RecogResult>();
for (double rng = 0; rng < 1; rng += 0.1)
//for (double rng = 0.2; rng < 0.5; rng += 0.1)
{
for (double m = 0; m < 1 - rng; m += 0.01)
{
rlist.Add(Recognize(rng, m));
OnRecItem();
}
}
RecogResult rr = FindMinMistake(rlist);
return(rr);
}
public RecogResult Recognize(double rangewidth, double mindisp)
{
RecogResult rr = new RecogResult();
rr.MinDisp = double.NaN;
rr.RangeWidth = double.NaN;
rr.MistakeCount = int.MaxValue;
_canvas.Answers.ClearContent();
_canvas.Answers.GetContent(mindisp, rangewidth + mindisp);
rr = new RecogResult();
rr.MinDisp = mindisp;
rr.RangeWidth = rangewidth;
rr.MistakeCount = _canvas.Answers.CountWithDoubleCross + _canvas.Answers.CountWithEmpty + _canvas.Answers.CountWithMiss;
return(rr);
}
public RecogResult Recognize(double rangewidth, double mindisp)
{
RecogResult rr = new RecogResult();
rr.MinDisp = double.NaN;
rr.RangeWidth = double.NaN;
rr.MistakeCount = int.MaxValue;
_canvas.Answers.ClearContent();
_canvas.Answers.GetContent(mindisp, rangewidth + mindisp);
rr = new RecogResult();
rr.MinDisp = mindisp;
rr.RangeWidth = rangewidth;
rr.MistakeCount = _canvas.Answers.CountWithDoubleCross+_canvas.Answers.CountWithEmpty+_canvas.Answers.CountWithMiss;
return rr;
}