Exemple #1
0
        public void RecognitionByML(Image <Gray, byte> src)
        {
            for (int i = 0; i < this.CVQuestionList.Count; i++)
            {
                var q = this.CVQuestionList[i];
                if (q.ResultStatus != QuestionResultStatus.Absence)
                {
                    continue;
                }

                for (int j = 0; j < q.OptionRectList.Count; j++)
                {
                    var rect = q.OptionRectList[j];

                    //智能识别
                    var queRect = rect.Rectangle;
                    queRect.Offset(this.Area.Location);
                    using (var copy = src.Copy(queRect))
                    {
                        var isAnswer = MLearner.IsAnswer(copy);
                        if (!q.Results.Contains(j) && isAnswer)
                        {
                            q.Results.Add(j);
                        }
                        new CVHelper().SaveMat(copy.Mat, "需要智能之别的" + isAnswer);
                    }
                }
            }
        }
Exemple #2
0
        /// <summary>
        /// 该区域的图片
        /// </summary>
        /// <param name="src"></param>
        /// <param name="myThreshold"></param>
        public void Recognition(Image <Gray, byte> src, int myThreshold = 180)
        {
            ////思路:第一次正常识别--->初步智能筛选---->再次智能筛选---》再次智能(如果未选,继续多次,如果多选)
            ////var src = new Image<Gray, byte>(bitmap);

            var thresholdMat = src.CopyBlank().Mat;

            CvInvoke.Threshold(src, thresholdMat, myThreshold, 255, Emgu.CV.CvEnum.ThresholdType.BinaryInv);

            new CVHelper().SaveMat(src.Mat, "原始的");
            //思路 open -膨胀
            //形态学膨胀
            Mat mat_dilate = CVHelper.MyDilateS(thresholdMat, Emgu.CV.CvEnum.MorphOp.Open);

            new CVHelper().SaveMat(mat_dilate, "Open行学");
            mat_dilate = CVHelper.MyDilateS(mat_dilate, Emgu.CV.CvEnum.MorphOp.Dilate);
            new CVHelper().SaveMat(mat_dilate, "Dilate行学");

            //补充偏移置换
            //src = Max(src);

            foreach (var question in this.CVQuestionList)
            {
                for (int i = 0; i < question.OptionRectList.Count; i++)
                {
                    var cvRect = question.OptionRectList[i];
                    //计算平均灰度值
                    //var fileName = $"{this.Name}第";
                    cvRect.CalVagGrayValueAndHist(src);


                    //计算面积比
                    cvRect.CalAreaPercent(src);
                    if (cvRect.AreaPercent > CVArea.valAreaPercent)
                    {
                        question.Results.Add(i);
                    }
                }
            }
            //打印初步识别的
            //new CommonUse().DrawRectCircleAndSave(src.Mat.Clone(), this.GetRectList(), $"{this.Name}-初步识别的", -this.Area.X, -this.Area.Y, points: this.GetResultPointList(false));
            this.DrawDetail(src.Clone(), this.Name);
            //初步筛选
            this.Check();
            new CVHelper().DrawRectCircleAndSave(src.Mat.Clone(), this.GetRectList(false), $"{this.Name}-初步筛选结果", points: this.GetResultPointList(false));

            //再次智能处理异常的
            this.CVQuestionList.ForEach(q =>
            {
                this.IntelligentChose(src, q);

                int total = 11;
                for (int i = 2; i <= total; i++)
                {
                    if (q.ResultStatus == QuestionResultStatus.Right)
                    {
                        break;
                    }
                    else if (q.ResultStatus == QuestionResultStatus.Absence)
                    {
                        q.IntelligentChoseByAbsence(src, i);
                    }
                }
            });

            //再次通过神经网络识别

            //this.RecognitionByML();
            for (int i = 0; i < this.CVQuestionList.Count; i++)
            {
                var q = this.CVQuestionList[i];
                if (q.ResultStatus != QuestionResultStatus.Absence)
                {
                    continue;
                }
                //针对只有一个的选框的不适用人工智能网络)
                //if (this.GetOptionCount() == 1)
                //{
                //    continue;
                //}

                for (int j = 0; j < q.OptionRectList.Count; j++)
                {
                    var rect = q.OptionRectList[j];
                    if (rect.AreaPercent == 0 && rect.AvgGrayValue == 0)
                    {
                        continue;
                    }
                    //智能识别
                    var queRect = rect.Rectangle;
                    using (var copy = src.Copy(queRect))
                    {
                        var isAnswer = MLearner.IsAnswer(copy);
                        if (!q.Results.Contains(j) && isAnswer)
                        {
                            q.Results.Add(j);
                        }
                        new CVHelper().SaveMat(copy.Mat, "需要智能之别的" + isAnswer, dictory: "MLReg\\");
                    }
                }
            }

            //脱离原rectangle,再次智能筛选
            try {
                DoMLAgain(src);
            }
            catch (Exception ex)
            {
                Console.WriteLine("再次智能之别是,发生错误");
                Console.WriteLine(ex);
            }
        }
Exemple #3
0
        /// <summary>
        /// 再次智能识别
        /// </summary>
        /// <param name="src"></param>
        private void DoMLAgain(Image <Gray, byte> src)
        {
            //正对使用了偏移块还不准的区域再次识别
            if (!this.IsAbsence())
            {
                return;
            }

            var cvHelper = new CVHelper();
            var rectList = cvHelper.GetRectListFromBitmap(src.Bitmap, isAutoFillFull: true);

            if (rectList.Count != this.GetOptionCount())// || rectList.Count==1 针对只有一个的选框的不适用
            {
                return;
            }
            var rectListDic = cvHelper.OrderRectList(rectList, this.IsOrderByRow());
            var anwserDir   = new Dictionary <int, List <int> >();

            foreach (var key in rectListDic.Keys)
            {
                var queOptions = rectListDic[key];
                var tmpResult  = new List <int>();
                for (int i = 0; i < queOptions.Count; i++)
                {
                    var queRect = queOptions[i];
                    using (var copy = src.Copy(queRect))
                    {
                        var isAnswer = MLearner.IsAnswer(copy);
                        if (isAnswer)
                        {
                            tmpResult.Add(i);
                        }

#if DEBUG
                        new CVHelper().SaveMat(copy.Mat, "再次智能之别的" + isAnswer, dictory: "MLReg2\\");
#endif
                    }
                }
                anwserDir.Add(key, tmpResult);
            }
            //合并答案

            foreach (var key in anwserDir.Keys)
            {
                var result = anwserDir[key];
                if (this.CVQuestionList[key - 1].ResultStatus == QuestionResultStatus.Absence)
                {
                    this.CVQuestionList[key - 1].Results = result;
                }
            }



#if DEBUG
            //画出再次智能出来的框和识别出来的中心点
            var tmpRectList  = new List <Rectangle>();
            var tmpPointList = new List <Point>();
            foreach (var key in rectListDic.Keys)
            {
                tmpRectList.AddRange(rectListDic[key]);
                anwserDir[key].ForEach(i =>
                {
                    var rect  = rectListDic[key][i];
                    var point = rect.Location;
                    point.Offset(rect.Width / 2, rect.Height / 2);
                    tmpPointList.Add(point);
                });
            }

            cvHelper.DrawRectCircleAndSave(src.Mat, tmpRectList, "再次智能后", points: tmpPointList, dictory: "MLReg2\\");
#endif
        }