void Blob::ComputeLabels(IImage& Source, ImageBuffer& Labels, int ConnectType) { if (ConnectType != 4 && ConnectType != 8) throw cl::Error(CL_INVALID_VALUE, "Wrong connect type in Blob::ComputeLabels"); if (Labels.Depth() != 32 || Labels.IsFloat()) throw cl::Error(CL_INVALID_VALUE, "Wrong Labels image type in Blob::ComputeLabels - Labels must be 32 bit integer"); if (m_TempBuffer == nullptr) PrepareFor(Source); CheckSameSize(Source, Labels); CheckCompatibility(Labels, *m_TempBuffer); m_BlobInfo.Init(ConnectType); m_InfoBuffer.Send(); // Initialize the label image Kernel(init_label, Source, Out(Labels, *m_TempBuffer), Labels.Step(), m_TempBuffer->Step(), m_InfoBuffer); // These two labeling steps need to be executed at least twice each int i = 0; while (i <= m_BlobInfo.LastUsefulIteration) { i++; Kernel(label_step1, Labels, *m_TempBuffer, Labels.Step(), m_TempBuffer->Step(), m_InfoBuffer, i); Kernel(label_step2, Labels, *m_TempBuffer, Labels.Step(), m_TempBuffer->Step(), m_InfoBuffer, i); if (i >= 2) m_InfoBuffer.Read(true); } }
void FiltersVector::Smooth(ImageBuffer& Source, ImageBuffer& Dest, int Width) { CheckCompatibility(Source, Dest); if (Width < 3 || (Width & 1) == 0) throw cl::Error(CL_INVALID_ARG_VALUE, "Invalid width used in Smooth"); Kernel(smooth, In(Source), Out(Dest), Source.Step(), Dest.Step(), Source.Height(), Width); }
void FiltersVector::Sharpen(ImageBuffer& Source, ImageBuffer& Dest, int Width) { CheckCompatibility(Source, Dest); if (Width != 3) throw cl::Error(CL_INVALID_ARG_VALUE, "Invalid width used in Sharpen - allowed : 3"); Kernel(sharpen3, In(Source), Out(Dest), Source.Step(), Dest.Step(), Source.Height()); }
void FiltersVector::Scharr(ImageBuffer& Source, ImageBuffer& Dest, int Width) { CheckCompatibility(Source, Dest); if (Width == 3) { Kernel(scharr3, Source, Dest, Source.Step(), Dest.Step(), Source.Height()); return; } throw cl::Error(CL_INVALID_ARG_VALUE, "Invalid width used in Scharr - allowed : 3"); }
void FiltersVector::Gauss(ImageBuffer& Source, ImageBuffer& Dest, int Width) { CheckCompatibility(Source, Dest); if (Width == 3) { Kernel(gaussian3, Source, Dest, Source.Step(), Dest.Step(), Source.Height()); return; } if (Width == 5) { Kernel(gaussian5, Source, Dest, Source.Step(), Dest.Step(), Source.Height()); return; } throw cl::Error(CL_INVALID_ARG_VALUE, "Invalid width used in Gauss - allowed : 3, 5"); }
void FiltersVector::Median(ImageBuffer& Source, ImageBuffer& Dest, int Width) { CheckCompatibility(Source, Dest); Source.SendIfNeeded(); if (Width != 3 && Width != 5) throw cl::Error(CL_INVALID_ARG_VALUE, "Invalid width used in Median - allowed : 3 or 5"); if (Width == 3) { /*if (RangeFit(Source, 16, 16)) // The cached version is slower on my GTX 680 { Kernel_(*m_CL, SelectProgram(Source), median3_cached, cl::NDRange(16, 16, 1), Source, Dest, Source.Step(), Dest.Step(), Source.Height()); return; }*/ Kernel(median3, Source, Dest, Source.Step(), Dest.Step(), Source.Height()); return; } Kernel(median5, Source, Dest, Source.Step(), Dest.Step(), Source.Height()); }
void FiltersVector::GaussianBlur(ImageBuffer& Source, ImageBuffer& Dest, float Sigma) { CheckCompatibility(Source, Dest); // Prepare mask int MaskSize = int(ceil(3 * Sigma)); if (Sigma <= 0 || MaskSize > 31) throw cl::Error(CL_INVALID_ARG_VALUE, "Invalid sigma used with GaussianBlur - allowed : 0.01-10"); uint NbElements = (MaskSize * 2 + 1 ) * (MaskSize * 2 + 1 ); std::vector<float> Mask(NbElements); GenerateBlurMask(Mask, Sigma, MaskSize); // NOTE : Maybe we should generate the mask in the device to prevent having to send that buffer // Send mask to device ReadBuffer MaskBuffer(*m_CL, Mask.data(), NbElements); // Execute kernel Kernel(gaussian_blur, In(Source), Out(Dest), Source.Step(), Dest.Step(), Source.Height(), MaskBuffer, MaskSize); }
void Blob::RenameLabels(ImageBuffer& Labels) { if (Labels.Depth() != 32 || Labels.IsFloat()) throw cl::Error(CL_INVALID_VALUE, "Wrong Labels image type in Blob::RenameLabels - Labels must be 32 bit integer"); if (m_TempBuffer == nullptr) throw cl::Error(CL_INVALID_MEM_OBJECT, "Wrong Labels image type in Blob::RenameLabels - Labels must be 32 bit integer"); CheckCompatibility(Labels, *m_TempBuffer); // Rename the labels Kernel(reorder_labels1, Labels, *m_TempBuffer, Labels.Step(), m_TempBuffer->Step(), m_InfoBuffer); Kernel(reorder_labels2, Labels, *m_TempBuffer, Labels.Step(), m_TempBuffer->Step(), m_InfoBuffer); m_InfoBuffer.Read(true); }