Esempio n. 1
0
        //将原始矩阵元素拆分为3份,分别为m0,m1,m2
        public static void Decompose3(ImageCore img, out BmpGray8 r, out BmpGray8 g, out BmpGray8 b)
        {
            if (img.ElementSize % 3 != 0)
            {
                throw new Exception("Source Mat NOT 3 Channel");
            }
            r = new BmpGray8(img.Width, img.Height);
            r.InitMemory();
            g = new BmpGray8(img.Width, img.Height);
            g.InitMemory();
            b = new BmpGray8(img.Width, img.Height);
            b.InitMemory();
            T * src       = (T *)img.Scan0.ToPointer();
            T * p0        = (T *)r.Scan0.ToPointer();
            T * p1        = (T *)g.Scan0.ToPointer();
            T * p2        = (T *)b.Scan0.ToPointer();
            int loopCount = r.Count;
            T * p         = (T *)img.Scan0.ToPointer();

            while (--loopCount > -1)
            {
                *p2++ = *p++;
                *p1++ = *p++;
                *p0++ = *p++;
            }
        }
Esempio n. 2
0
        public static void Threshold(ImageCore grayImage, out RLC_NodeList <byte> list, byte min, byte max)
        {
            int   loopCount = grayImage.Count;
            byte *gp        = (byte *)grayImage.Scan0.ToPointer();

            list = new RLC_NodeList <byte>();
            int idx = -1;

            while (++idx < grayImage.Count)
            {
                if (*gp >= min && *gp <= max)
                {
                    if (list.IsEmpty)
                    {
                        RLC_Node <byte> head = new RLC_Node <byte>();
                        head.data        = new RLC_Data <byte>();
                        head.data.Data   = 0xff;
                        head.data.Length = 1;
                        head.data.Index  = idx;
                        list.Append(head);
                    }
                    else
                    {
                        list.PushBack(0xff, idx);
                    }
                }
                gp++;
            }
        }
Esempio n. 3
0
        //填充内存
        public static void Fill(ImageCore img, T val)
        {
            int loopCount = img.Count;//元素个数
            T * p         = (T *)img.Scan0.ToPointer();

            while (--loopCount > -1)
            {
                *p = val;
                p += img.ElementSize;
            }
        }
Esempio n. 4
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        //对矩阵元素值的缩放,leftMove 代表原始值放大2^leftMove次方,rightMove代表值缩小2^righMove次方
        //cellVal = (cellVal * 2^leftMove) / 2^righMove + add;
        public static void ScalaMat(ImageCore img, int leftMove, int rightMove, int add)
        {
            int   loopCount = img.Count;
            byte *p         = (byte *)img.Scan0.ToPointer();
            Int64 tempVal   = 0;

            while (--loopCount > -1)
            {
                tempVal = (*p << leftMove) >> rightMove + add;
                *p      = tempVal < 256?(byte)tempVal:255;
                p      += img.ElementSize;
            }
        }
Esempio n. 5
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        public static void Threshold(ImageCore grayImage, out BmpGray8 region, byte min, byte max)
        {
            region = new BmpGray8(grayImage.Width, grayImage.Height);
            region.InitMemory();
            int   loopCount = grayImage.Count;
            byte *gp        = (byte *)grayImage.Scan0.ToPointer();
            byte *rp        = (byte *)region.Scan0.ToPointer();

            while (--loopCount > -1)
            {
                *rp++ = *gp >= min && *gp <= max?255:0;
                gp++;
            }
        }
Esempio n. 6
0
        //将非托管类型转为指定类型指针,*T+=idx
        public static ref T GetElement(ImageCore img, int idx)
        {
            T *p = (T *)img.Scan0.ToPointer();

            return(ref *(p += idx));
        }