private ConvertTo ( |
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src | ||
dst | ||
scale | double | |
shift | double | |
stream | ||
리턴 | void |
/// <summary> /// Convert this GpuMat to different depth /// </summary> /// <typeparam name="TOtherDepth">The depth type to convert to</typeparam> /// <param name="stream">Use a Stream to call the function asynchronously (non-blocking) or null to call the function synchronously (blocking).</param> /// <returns>GpuMat of different depth</returns> public GpuMat <TOtherDepth> Convert <TOtherDepth>(Stream stream) where TOtherDepth : new() { GpuMat <TOtherDepth> res = new GpuMat <TOtherDepth>(Size, NumberOfChannels); GpuInvoke.ConvertTo(Ptr, res.Ptr, 1.0, 0.0, stream); return(res); }
/// <summary> /// Convert the source image to the current image, if the size are different, the current image will be a resized version of the srcImage. /// </summary> /// <typeparam name="TSrcColor">The color type of the source image</typeparam> /// <typeparam name="TSrcDepth">The color depth of the source image</typeparam> /// <param name="srcImage">The sourceImage</param> public void ConvertFrom <TSrcColor, TSrcDepth>(GpuImage <TSrcColor, TSrcDepth> srcImage) where TSrcColor : struct, IColor where TSrcDepth : new() { if (!Size.Equals(srcImage.Size)) { //if the size of the source image do not match the size of the current image using (GpuImage <TSrcColor, TSrcDepth> tmp = srcImage.Resize(Size, Emgu.CV.CvEnum.INTER.CV_INTER_LINEAR, null)) { ConvertFrom(tmp); return; } } if (typeof(TColor) == typeof(TSrcColor)) { #region same color if (typeof(TDepth) == typeof(TSrcDepth)) //same depth { GpuInvoke.Copy(srcImage.Ptr, Ptr, IntPtr.Zero); } else //different depth { if (typeof(TDepth) == typeof(Byte) && typeof(TSrcDepth) != typeof(Byte)) { double[] minVal, maxVal; Point[] minLoc, maxLoc; srcImage.MinMax(out minVal, out maxVal, out minLoc, out maxLoc); double min = minVal[0]; double max = maxVal[0]; for (int i = 1; i < minVal.Length; i++) { min = Math.Min(min, minVal[i]); max = Math.Max(max, maxVal[i]); } double scale = 1.0, shift = 0.0; if (max > 255.0 || min < 0) { scale = (max == min) ? 0.0 : 255.0 / (max - min); shift = (scale == 0) ? min : -min * scale; } GpuInvoke.ConvertTo(srcImage.Ptr, Ptr, scale, shift); } else { GpuInvoke.ConvertTo(srcImage.Ptr, Ptr, 1.0, 0.0); } } #endregion } else { #region different color if (typeof(TDepth) == typeof(TSrcDepth)) { //same depth ConvertColor(srcImage.Ptr, Ptr, typeof(TSrcColor), typeof(TColor), Size, null); } else { //different depth using (GpuImage <TSrcColor, TDepth> tmp = srcImage.Convert <TSrcColor, TDepth>()) //convert depth ConvertColor(tmp.Ptr, Ptr, typeof(TSrcColor), typeof(TColor), Size, null); } #endregion } }