Example #1
0
        public byte[] DepthToColorCoordinatesByFunction(PXCMImage color, PXCMImage depth, int dots, out int cwidth, out int cheight)
        {
            /* Retrieve the color pixels */
            byte[] cpixels = color.GetRGB32Pixels(out cwidth, out cheight);
            if (projection == null || cpixels == null)
            {
                return(cpixels);
            }

            /* Retrieve the depth pixels and uvmap */
            PXCMImage.ImageData ddata;
            UInt16[]            dpixels;
            bool isdepth = (depth.info.format == PXCMImage.PixelFormat.PIXEL_FORMAT_DEPTH);

            if (depth.AcquireAccess(PXCMImage.Access.ACCESS_READ, out ddata) >= pxcmStatus.PXCM_STATUS_NO_ERROR)
            {
                Int32 dpitch  = ddata.pitches[0] / sizeof(Int16); /* aligned width */
                Int32 dwidth  = (Int32)depth.info.width;
                Int32 dheight = (Int32)depth.info.height;
                dpixels = ddata.ToUShortArray(0, isdepth ? dpitch * dheight : dpitch * dheight * 3);
                depth.ReleaseAccess(ddata);

                /* Projection Calculation */
                PXCMPoint3DF32[] dcords = new PXCMPoint3DF32[dwidth * dheight];
                for (Int32 y = 0, k = 0; y < dheight; y++)
                {
                    for (Int32 x = 0; x < dwidth; x++, k++)
                    {
                        dcords[k].x = x;
                        dcords[k].y = y;
                        dcords[k].z = isdepth ? dpixels[y * dpitch + x] : dpixels[3 * (y * dpitch + x) + 2];
                    }
                }
                PXCMPointF32[] ccords = new PXCMPointF32[dwidth * dheight];
                projection.MapDepthToColor(dcords, ccords);

                /* Draw dots onto the color pixels */
                for (Int32 y = 0, k = 0; y < dheight; y++)
                {
                    for (Int32 x = 0; x < dwidth; x++, k++)
                    {
                        UInt16 d = isdepth ? dpixels[y * dpitch + x] : dpixels[3 * (y * dpitch + x) + 2];
                        if (d == invalid_value)
                        {
                            continue;                     // no mapping based on unreliable depth values
                        }
                        Int32 xx = (Int32)ccords[k].x, yy = (Int32)ccords[k].y;
                        PlotXY(cpixels, xx, yy, cwidth, cheight, dots, 2);
                    }
                }
            }
            return(cpixels);
        }
Example #2
0
        public byte[] DepthToColorCoordinatesByUVMAP(PXCMImage color, PXCMImage depth, int dots, out int cwidth, out int cheight)
        {
            /* Retrieve the color pixels */
            byte[] cpixels = color.GetRGB32Pixels(out cwidth, out cheight);
            if (cpixels == null)
            {
                return(cpixels);
            }

            /* Retrieve the depth pixels and uvmap */
            PXCMImage.ImageData ddata;
            UInt16[]            dpixels;
            // float[] uvmap;
            bool isdepth = (depth.info.format == PXCMImage.PixelFormat.PIXEL_FORMAT_DEPTH);

            if (depth.AcquireAccess(PXCMImage.Access.ACCESS_READ, out ddata) >= pxcmStatus.PXCM_STATUS_NO_ERROR)
            {
                Int32 dpitch  = ddata.pitches[0] / sizeof(short); /* aligned width */
                Int32 dwidth  = (Int32)depth.info.width;
                Int32 dheight = (Int32)depth.info.height;
                dpixels = ddata.ToUShortArray(0, isdepth ? dpitch * dheight : dpitch * dheight * 3);

                projection.QueryUVMap(depth, uvmap);
                int uvpitch = depth.QueryInfo().width;
                depth.ReleaseAccess(ddata);

                /* Draw dots onto the color pixels */
                for (Int32 y = 0; y < dheight; y++)
                {
                    for (Int32 x = 0; x < dwidth; x++)
                    {
                        UInt16 d = isdepth ? dpixels[y * dpitch + x] : dpixels[3 * (y * dpitch + x) + 2];
                        if (d == invalid_value)
                        {
                            continue;                     // no mapping based on unreliable depth values
                        }
                        float uvx = uvmap[y * uvpitch + x].x, uvy = uvmap[y * uvpitch + x].y;
                        Int32 xx = (Int32)(uvx * cwidth), yy = (Int32)(uvy * cheight);
                        PlotXY(cpixels, xx, yy, cwidth, cheight, dots, 1);
                    }
                }
            }
            return(cpixels);
        }
        public byte[] ColorToDepthCoordinatesByInvUVMap(PXCMImage color, PXCMImage depth, int dots, out int cwidth, out int cheight)
        {
            /* Retrieve the color pixels */
            byte[] cpixels = color.GetRGB32Pixels(out cwidth, out cheight);

            if (projection == null || cpixels == null) return cpixels;

            if (dots >= 9)
            { // A sample for CreateDepthImageMappedToColor output visualization
                PXCMImage.ImageData d2cDat;
                PXCMImage d2c = projection.CreateDepthImageMappedToColor(depth, color);
                if (d2c == null)
                {
                    return cpixels;
                }

                UInt16[] d2cpixels;
                if (d2c.AcquireAccess(PXCMImage.Access.ACCESS_READ, PXCMImage.PixelFormat.PIXEL_FORMAT_DEPTH, out d2cDat) >= pxcmStatus.PXCM_STATUS_NO_ERROR)
                {
                    Int32 d2cwidth = d2cDat.pitches[0] / sizeof(Int16); /* aligned width */
                    Int32 d2cheight = (Int32)d2c.info.height;
                    d2cpixels = d2cDat.ToUShortArray(0, d2cwidth * d2cheight);

                    for (Int32 y = 0; y < cheight; y++)
                    {
                        for (Int32 x = 0; x < cwidth; x++)
                        {
                            if (d2cpixels[y * d2cwidth + x] == invalid_value) continue; // no mapping based on unreliable depth values
                            cpixels[(y * cwidth + x) * 4] = 0xFF;
                        }
                    }

                    d2c.ReleaseAccess(d2cDat);
                }
                d2c.Dispose();
                return cpixels;
            }

            /* Retrieve the depth pixels and uvmap */
            PXCMImage.ImageData ddata;
            Int16[] dpixels;
            if (depth.AcquireAccess(PXCMImage.Access.ACCESS_READ, PXCMImage.PixelFormat.PIXEL_FORMAT_DEPTH, out ddata) >= pxcmStatus.PXCM_STATUS_NO_ERROR)
            {
                Int32 dpitch = ddata.pitches[0] / sizeof(Int16); /* aligned width */
                Int32 dwidth = (Int32)depth.info.width;
                Int32 dheight = (Int32)depth.info.height;
                dpixels = ddata.ToShortArray(0, dpitch * dheight);
                pxcmStatus sts = projection.QueryInvUVMap(depth, invuvmap);
                Int32 invuvpitch = color.QueryInfo().width;
                depth.ReleaseAccess(ddata);

                if (dots > 1)
                { // If Depth data is valid just set a blue pixel
                    /* Draw dots onto the color pixels */
                    for (Int32 y = 0; y < cheight; y++)
                    {
                        for (Int32 x = 0; x < cwidth; x++)
                        {
                            Int32 xx = (Int32)(invuvmap[y * cwidth + x].x * dwidth);
                            Int32 yy = (Int32)(invuvmap[y * cwidth + x].y * dheight);
                            if (xx >= 0 && yy >= 0)
                            {
                                if (dpixels[yy * dpitch + xx] > 0)
                                {
                                    cpixels[(y * cwidth + x) * 4] = 0xFF;
                                }
                            }
                        }
                    }
                }
                else
                { // If Depth data is valid just set a blue pixel with briteness depends on Depth value
                    Int32 MAX_LOCAL_DEPTH_VALUE = 4000;
                    Int32[] depth_hist = new Int32[MAX_LOCAL_DEPTH_VALUE];
                    Array.Clear(depth_hist, 0, depth_hist.Length);
                    Int32 num_depth_points = 0;
                    for (Int32 y = 0; y < dheight; y++)
                    {
                        for (Int32 x = 0; x < dwidth; x++)
                        {
                            Int16 d = dpixels[y * dpitch + x];
                            if (d > 0 && d < MAX_LOCAL_DEPTH_VALUE)
                            {
                                depth_hist[d]++;
                                num_depth_points++;
                            }
                        }
                    }

                    if (num_depth_points > 0)
                    {
                        for (Int32 i = 1; i < MAX_LOCAL_DEPTH_VALUE; i++)
                        {
                            depth_hist[i] += depth_hist[i - 1];
                        }
                        for (Int32 i = 1; i < MAX_LOCAL_DEPTH_VALUE; i++)
                        {
                            depth_hist[i] = 255 - (Int32)((float)255 * (float)depth_hist[i] / (float)num_depth_points);
                        }

                        /* Draw dots onto the color pixels */
                        for (Int32 y = 0; y < cheight; y++)
                        {
                            for (Int32 x = 0; x < cwidth; x++)
                            {
                                Int32 xx = (Int32)(invuvmap[y * cwidth + x].x * dwidth);
                                Int32 yy = (Int32)(invuvmap[y * cwidth + x].y * dheight);
                                if (xx >= 0 && yy >= 0)
                                {
                                    Int16 d = dpixels[yy * dpitch + xx];
                                    if (d > 0 && d < MAX_LOCAL_DEPTH_VALUE)
                                    {
                                        cpixels[(y * cwidth + x) * 4] = (byte)depth_hist[d];
                                    }
                                }
                            }
                        }
                    }
                }
            }
            return cpixels;
        }
        public byte[] DepthToColorCoordinatesByUVMAP(PXCMImage color, PXCMImage depth, int dots, out int cwidth, out int cheight)
        {
            /* Retrieve the color pixels */
            byte[] cpixels = color.GetRGB32Pixels(out cwidth, out cheight);
            if (cpixels == null) return cpixels;

            /* Retrieve the depth pixels and uvmap */
            PXCMImage.ImageData ddata;
            UInt16[] dpixels;
            // float[] uvmap;
            bool isdepth = (depth.info.format == PXCMImage.PixelFormat.PIXEL_FORMAT_DEPTH);
            if (depth.AcquireAccess(PXCMImage.Access.ACCESS_READ, out ddata) >= pxcmStatus.PXCM_STATUS_NO_ERROR)
            {
                Int32 dpitch = ddata.pitches[0] / sizeof(short); /* aligned width */
                Int32 dwidth = (Int32)depth.info.width;
                Int32 dheight = (Int32)depth.info.height;
                dpixels = ddata.ToUShortArray(0, isdepth ? dpitch * dheight : dpitch * dheight * 3);

                projection.QueryUVMap(depth, uvmap);
                int uvpitch = depth.QueryInfo().width;
                depth.ReleaseAccess(ddata);

                /* Draw dots onto the color pixels */
                for (Int32 y = 0; y < dheight; y++)
                {
                    for (Int32 x = 0; x < dwidth; x++)
                    {
                        UInt16 d = isdepth ? dpixels[y * dpitch + x] : dpixels[3 * (y * dpitch + x) + 2];
                        if (d == invalid_value) continue; // no mapping based on unreliable depth values

                        float uvx = uvmap[y * uvpitch + x].x, uvy = uvmap[y * uvpitch + x].y;
                        Int32 xx = (Int32)(uvx * cwidth), yy = (Int32)(uvy * cheight);
                        PlotXY(cpixels, xx, yy, cwidth, cheight, dots, 1);
                    }
                }
            }
            return cpixels;
        }
        public byte[] DepthToColorCoordinatesByFunction(PXCMImage color, PXCMImage depth, int dots, out int cwidth, out int cheight)
        {
            /* Retrieve the color pixels */
            byte[] cpixels = color.GetRGB32Pixels(out cwidth, out cheight);
            if (projection == null || cpixels == null) return cpixels;

            /* Retrieve the depth pixels and uvmap */
            PXCMImage.ImageData ddata;
            UInt16[] dpixels;
            bool isdepth = (depth.info.format == PXCMImage.PixelFormat.PIXEL_FORMAT_DEPTH);
            if (depth.AcquireAccess(PXCMImage.Access.ACCESS_READ, out ddata) >= pxcmStatus.PXCM_STATUS_NO_ERROR)
            {
                Int32 dpitch = ddata.pitches[0] / sizeof(Int16); /* aligned width */
                Int32 dwidth = (Int32)depth.info.width;
                Int32 dheight = (Int32)depth.info.height;
                dpixels = ddata.ToUShortArray(0, isdepth ? dpitch * dheight : dpitch * dheight * 3);
                depth.ReleaseAccess(ddata);

                /* Projection Calculation */
                PXCMPoint3DF32[] dcords = new PXCMPoint3DF32[dwidth * dheight];
                for (Int32 y = 0, k = 0; y < dheight; y++)
                {
                    for (Int32 x = 0; x < dwidth; x++, k++)
                    {
                        dcords[k].x = x;
                        dcords[k].y = y;
                        dcords[k].z = isdepth ? dpixels[y * dpitch + x] : dpixels[3 * (y * dpitch + x) + 2];
                    }
                }
                PXCMPointF32[] ccords = new PXCMPointF32[dwidth * dheight];
                projection.MapDepthToColor(dcords, ccords);

                /* Draw dots onto the color pixels */
                for (Int32 y = 0, k = 0; y < dheight; y++)
                {
                    for (Int32 x = 0; x < dwidth; x++, k++)
                    {
                        UInt16 d = isdepth ? dpixels[y * dpitch + x] : dpixels[3 * (y * dpitch + x) + 2];
                        if (d == invalid_value) continue; // no mapping based on unreliable depth values

                        Int32 xx = (Int32)ccords[k].x, yy = (Int32)ccords[k].y;
                        PlotXY(cpixels, xx, yy, cwidth, cheight, dots, 2);
                    }
                }
            }
            return cpixels;
        }
Example #6
0
        public byte[] ColorToDepthCoordinatesByInvUVMap(PXCMImage color, PXCMImage depth, int dots, out int cwidth, out int cheight)
        {
            /* Retrieve the color pixels */
            byte[] cpixels = color.GetRGB32Pixels(out cwidth, out cheight);

            if (projection == null || cpixels == null)
            {
                return(cpixels);
            }

            if (dots >= 9)
            { // A sample for CreateDepthImageMappedToColor output visualization
                PXCMImage.ImageData d2cDat;
                PXCMImage           d2c = projection.CreateDepthImageMappedToColor(depth, color);
                if (d2c == null)
                {
                    return(cpixels);
                }

                UInt16[] d2cpixels;
                if (d2c.AcquireAccess(PXCMImage.Access.ACCESS_READ, PXCMImage.PixelFormat.PIXEL_FORMAT_DEPTH, out d2cDat) >= pxcmStatus.PXCM_STATUS_NO_ERROR)
                {
                    Int32 d2cwidth  = d2cDat.pitches[0] / sizeof(Int16); /* aligned width */
                    Int32 d2cheight = (Int32)d2c.info.height;
                    d2cpixels = d2cDat.ToUShortArray(0, d2cwidth * d2cheight);

                    for (Int32 y = 0; y < cheight; y++)
                    {
                        for (Int32 x = 0; x < cwidth; x++)
                        {
                            if (d2cpixels[y * d2cwidth + x] == invalid_value)
                            {
                                continue;                                               // no mapping based on unreliable depth values
                            }
                            cpixels[(y * cwidth + x) * 4] = 0xFF;
                        }
                    }

                    d2c.ReleaseAccess(d2cDat);
                }
                d2c.Dispose();
                return(cpixels);
            }

            /* Retrieve the depth pixels and uvmap */
            PXCMImage.ImageData ddata;
            Int16[]             dpixels;
            if (depth.AcquireAccess(PXCMImage.Access.ACCESS_READ, PXCMImage.PixelFormat.PIXEL_FORMAT_DEPTH, out ddata) >= pxcmStatus.PXCM_STATUS_NO_ERROR)
            {
                Int32 dpitch  = ddata.pitches[0] / sizeof(Int16); /* aligned width */
                Int32 dwidth  = (Int32)depth.info.width;
                Int32 dheight = (Int32)depth.info.height;
                dpixels = ddata.ToShortArray(0, dpitch * dheight);
                pxcmStatus sts        = projection.QueryInvUVMap(depth, invuvmap);
                Int32      invuvpitch = color.QueryInfo().width;
                depth.ReleaseAccess(ddata);

                if (dots > 1)
                { // If Depth data is valid just set a blue pixel
                    /* Draw dots onto the color pixels */
                    for (Int32 y = 0; y < cheight; y++)
                    {
                        for (Int32 x = 0; x < cwidth; x++)
                        {
                            Int32 xx = (Int32)(invuvmap[y * cwidth + x].x * dwidth);
                            Int32 yy = (Int32)(invuvmap[y * cwidth + x].y * dheight);
                            if (xx >= 0 && yy >= 0)
                            {
                                if (dpixels[yy * dpitch + xx] > 0)
                                {
                                    cpixels[(y * cwidth + x) * 4] = 0xFF;
                                }
                            }
                        }
                    }
                }
                else
                { // If Depth data is valid just set a blue pixel with briteness depends on Depth value
                    Int32   MAX_LOCAL_DEPTH_VALUE = 4000;
                    Int32[] depth_hist            = new Int32[MAX_LOCAL_DEPTH_VALUE];
                    Array.Clear(depth_hist, 0, depth_hist.Length);
                    Int32 num_depth_points = 0;
                    for (Int32 y = 0; y < dheight; y++)
                    {
                        for (Int32 x = 0; x < dwidth; x++)
                        {
                            Int16 d = dpixels[y * dpitch + x];
                            if (d > 0 && d < MAX_LOCAL_DEPTH_VALUE)
                            {
                                depth_hist[d]++;
                                num_depth_points++;
                            }
                        }
                    }

                    if (num_depth_points > 0)
                    {
                        for (Int32 i = 1; i < MAX_LOCAL_DEPTH_VALUE; i++)
                        {
                            depth_hist[i] += depth_hist[i - 1];
                        }
                        for (Int32 i = 1; i < MAX_LOCAL_DEPTH_VALUE; i++)
                        {
                            depth_hist[i] = 255 - (Int32)((float)255 * (float)depth_hist[i] / (float)num_depth_points);
                        }

                        /* Draw dots onto the color pixels */
                        for (Int32 y = 0; y < cheight; y++)
                        {
                            for (Int32 x = 0; x < cwidth; x++)
                            {
                                Int32 xx = (Int32)(invuvmap[y * cwidth + x].x * dwidth);
                                Int32 yy = (Int32)(invuvmap[y * cwidth + x].y * dheight);
                                if (xx >= 0 && yy >= 0)
                                {
                                    Int16 d = dpixels[yy * dpitch + xx];
                                    if (d > 0 && d < MAX_LOCAL_DEPTH_VALUE)
                                    {
                                        cpixels[(y * cwidth + x) * 4] = (byte)depth_hist[d];
                                    }
                                }
                            }
                        }
                    }
                }
            }
            return(cpixels);
        }