Halcon-图像锐化（边缘处理）

﹏ヽ暗。殇╰゛Y 2023-01-10 14:53 324阅读 0赞

**sobel算子**

*sobel算子
    read_image (Image, 'claudia')
    get_image_size (Image, Width, Height)
    dev_close_window ()
    dev_open_window_fit_size (0, 0, Width, Width, -1, -1, WindowHandle)
    dev_display (Image)
    
    rgb1_to_gray (Image, GrayImage)
    sobel_amp (GrayImage, EdgeAmplitude, 'sum_abs', 3)
    dump_window (WindowHandle, 'bmp', 'D:1/sobel_image')
    
    sobel_amp (GrayImage, EdgeAmplitude, 'x', 3)
    dump_window (WindowHandle, 'bmp', 'D:1/sobelx_image')
    
    sobel_amp (GrayImage, EdgeAmplitude, 'y', 3)
    dump_window (WindowHandle, 'bmp', 'D:1/sobely_image')

**函数：sobel\_amp (GrayImage, EdgeAmplitude, ‘sum\_abs’, 3)**

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY0NTI4MQ_size_16_color_FFFFFF_t_70_pic_center]

read_image (Image, 'patras')
    dev_close_window ()
    get_image_size (Image, Width, Height)
    dev_open_window_fit_size (0, 0, Width, Width, -1, -1, WindowHandle)
    sobel_amp (Image, EdgeAmplitude, 'sum_abs', 3)
    threshold (EdgeAmplitude, Region, 30, 255)
    skeleton (Region, Skeleton)
    dev_set_color ('white')
    dev_display (Image)
    dev_display (Skeleton)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY0NTI4MQ_size_16_color_FFFFFF_t_70_pic_center 1]

**Roberts算子**

read_image (Image, 'patras')
    dev_close_window ()
    get_image_size (Image, Width, Height)
    dev_open_window_fit_size (0, 0, Width, Width, -1, -1, WindowHandle)
    roberts (Image, ImageRoberts, 'roberts_max')
    threshold (ImageRoberts, Region, 30, 255)
    dump_window (WindowHandle, 'jpg', 'D:t')
    skeleton (Region, Skeleton)
    dev_set_color ('white')
    dev_display (Image)
    dev_display (Skeleton)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY0NTI4MQ_size_16_color_FFFFFF_t_70_pic_center 2]  
**Prewitt算子**

read_image (Image, 'patras')
    dev_close_window ()
    get_image_size (Image, Width, Height)
    dev_open_window_fit_size (0, 0, Width, Width, -1, -1, WindowHandle)
    prewitt_amp (Image, ImageEdgeAmp)
    threshold (ImageEdgeAmp, Region, 30, 255)
    skeleton (Region, Skeleton)
    dev_set_color ('white')
    dev_display (Image)
    dev_display (Skeleton)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY0NTI4MQ_size_16_color_FFFFFF_t_70_pic_center 3]  
**Kirsch算子**

read_image (Image, 'patras')
    dev_close_window ()
    get_image_size (Image, Width, Height)
    dev_open_window_fit_size (0, 0, Width, Width, -1, -1, WindowHandle)
    kirsch_amp (Image, ImageEdgeAmp)
    threshold (ImageEdgeAmp, Region, 30, 255)
    skeleton (Region, Skeleton)
    dev_set_color ('white')
    dev_display (Image)
    dev_display (Skeleton)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY0NTI4MQ_size_16_color_FFFFFF_t_70_pic_center 4]  
**Canny算子**

*Canny
    read_image (Image, 'patras')
    dev_close_window ()
    get_image_size (Image, Width, Height)
    dev_open_window_fit_size (0, 0, Width, Width, -1, -1, WindowHandle)
    edges_image (Image, ImaAmp, ImaDir, 'canny', 0.5, 'nms', 12, 22)
    threshold (ImaAmp, Region, 1, 255)
    skeleton (Region, Skeleton)
    gen_contours_skeleton_xld (Skeleton, Contours, 1, 'filter')
    dev_set_color ('white')
    dev_display (Image)
    dev_display (Skeleton)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY0NTI4MQ_size_16_color_FFFFFF_t_70_pic_center 5]

**Laplace算子**

*laplace算子
    read_image (Image, 'can')
    get_image_size (Image, Width, Height)
    dev_close_window ()
    dev_open_window_fit_size (0, 0, Width, Width, -1, -1, WindowHandle)
    dev_display (Image)
    
    rgb1_to_gray (Image, GrayImage)
    laplace (GrayImage, ImageLaplace, 'absolute', 3, 'n_4')
    dump_window (WindowHandle, 'bmp', 'D:1/laplace_image')

**函数：laplace (GrayImage, ImageLaplace, ‘absolute’, 3, ‘n\_4’)**

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY0NTI4MQ_size_16_color_FFFFFF_t_70_pic_center 6]

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