Python cv2.morphologyEx方法代码示例

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def _morphological_process(image, kernel_size=5):
    """
    morphological process to fill the hole in the binary segmentation result
    :param image:
    :param kernel_size:
    :return:
    """
    if len(image.shape) == 3:
        raise ValueError('Binary segmentation result image should be a single channel image')

    if image.dtype is not np.uint8:
        image = np.array(image, np.uint8)

    kernel = cv2.getStructuringElement(shape=cv2.MORPH_ELLIPSE, ksize=(kernel_size, kernel_size))

    # close operation fille hole
    closing = cv2.morphologyEx(image, cv2.MORPH_CLOSE, kernel, iterations=1)

    return closing 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def predict0():
    Vnet3d = Vnet3dModule(256, 256, 64, inference=True, model_path="model\\Vnet3dModule.pd")
    for filenumber in range(30):
        batch_xs = np.zeros(shape=(64, 256, 256))
        for index in range(64):
            imgs = cv2.imread(
                "D:\Data\PROMISE2012\Vnet3d_data\\test\image\\" + str(filenumber) + "\\" + str(index) + ".bmp", 0)
            batch_xs[index, :, :] = imgs[128:384, 128:384]

        predictvalue = Vnet3d.prediction(batch_xs)

        for index in range(64):
            result = np.zeros(shape=(512, 512), dtype=np.uint8)
            result[128:384, 128:384] = predictvalue[index]
            kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (5, 5))
            result = cv2.morphologyEx(result, cv2.MORPH_CLOSE, kernel)
            cv2.imwrite(
                "D:\Data\PROMISE2012\Vnet3d_data\\test\image\\" + str(filenumber) + "\\" + str(index) + "mask.bmp",
                result) 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def fill_break_line(cw_mask):
	broken_line_h = np.array([[0,0,0,0,0],
							[0,0,0,0,0],
							[1,0,0,0,1],
							[0,0,0,0,0],
							[0,0,0,0,0]], dtype=np.uint8)	
	broken_line_h2 = np.array([[0,0,0,0,0],
							[0,0,0,0,0],
							[1,1,0,1,1],
							[0,0,0,0,0],
							[0,0,0,0,0]], dtype=np.uint8)			
	broken_line_v = np.transpose(broken_line_h)
	broken_line_v2 = np.transpose(broken_line_h2)
	cw_mask = cv2.morphologyEx(cw_mask, cv2.MORPH_CLOSE, broken_line_h)
	cw_mask = cv2.morphologyEx(cw_mask, cv2.MORPH_CLOSE, broken_line_v)
	cw_mask = cv2.morphologyEx(cw_mask, cv2.MORPH_CLOSE, broken_line_h2)
	cw_mask = cv2.morphologyEx(cw_mask, cv2.MORPH_CLOSE, broken_line_v2)

	return cw_mask 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def update(dummy=None):
        sz = cv2.getTrackbarPos('op/size', 'morphology')
        iters = cv2.getTrackbarPos('iters', 'morphology')
        opers = cur_mode.split('/')
        if len(opers) > 1:
            sz = sz - 10
            op = opers[sz > 0]
            sz = abs(sz)
        else:
            op = opers[0]
        sz = sz*2+1

        str_name = 'MORPH_' + cur_str_mode.upper()
        oper_name = 'MORPH_' + op.upper()
        st = cv2.getStructuringElement(getattr(cv2, str_name), (sz, sz))
        res = cv2.morphologyEx(img, getattr(cv2, oper_name), st, iterations=iters)

        draw_str(res, (10, 20), 'mode: ' + cur_mode)
        draw_str(res, (10, 40), 'operation: ' + oper_name)
        draw_str(res, (10, 60), 'structure: ' + str_name)
        draw_str(res, (10, 80), 'ksize: %d  iters: %d' % (sz, iters))
        cv2.imshow('morphology', res) 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def maximizeContrast(imgGrayscale):

    height, width = imgGrayscale.shape

    imgTopHat = np.zeros((height, width, 1), np.uint8)
    imgBlackHat = np.zeros((height, width, 1), np.uint8)

    structuringElement = cv2.getStructuringElement(cv2.MORPH_RECT, (3, 3))

    imgTopHat = cv2.morphologyEx(imgGrayscale, cv2.MORPH_TOPHAT, structuringElement)
    imgBlackHat = cv2.morphologyEx(imgGrayscale, cv2.MORPH_BLACKHAT, structuringElement)

    imgGrayscalePlusTopHat = cv2.add(imgGrayscale, imgTopHat)
    imgGrayscalePlusTopHatMinusBlackHat = cv2.subtract(imgGrayscalePlusTopHat, imgBlackHat)

    return imgGrayscalePlusTopHatMinusBlackHat
# end function 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def sobelOperT(self, img, blursize, morphW, morphH):
        '''
            No different with sobelOper ? 
        '''
        blur = cv2.GaussianBlur(img, (blursize, blursize), 0, 0, cv2.BORDER_DEFAULT)

        if len(blur.shape) == 3:
            gray = cv2.cvtColor(blur, cv2.COLOR_RGB2GRAY)
        else:
            gray = blur

        x = cv2.Sobel(gray, cv2.CV_16S, 1, 0, 3)
        absX = cv2.convertScaleAbs(x)
        grad = cv2.addWeighted(absX, 1, 0, 0, 0)

        _, threshold = cv2.threshold(grad, 0, 255, cv2.THRESH_OTSU + cv2.THRESH_BINARY)

        element = cv2.getStructuringElement(cv2.MORPH_RECT, (morphW, morphH))
        threshold = cv2.morphologyEx(threshold, cv2.MORPH_CLOSE, element)

        return threshold 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def colorSearch(self, src, color, out_rect):
        """

        :param src:
        :param color:
        :param out_rect: minAreaRect
        :return: binary
        """
        color_morph_width = 10
        color_morph_height = 2

        match_gray = colorMatch(src, color, False)

        _, src_threshold = cv2.threshold(match_gray, 0, 255, cv2.THRESH_OTSU + cv2.THRESH_BINARY)

        element = cv2.getStructuringElement(cv2.MORPH_RECT, (color_morph_width, color_morph_height))
        src_threshold = cv2.morphologyEx(src_threshold, cv2.MORPH_CLOSE, element)

        out = src_threshold.copy()

        _, contours, _ = cv2.findContours(src_threshold, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_NONE)

        for cnt in contours:
            mr = cv2.minAreaRect(cnt)
            if self.verifySizes(mr):
                out_rect.append(mr)

        return out 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def verticalEdgeDetection(image):
    image_sobel = cv2.Sobel(image.copy(),cv2.CV_8U,1,0)
    # image = auto_canny(image_sobel)

    # img_sobel, CV_8U, 1, 0, 3, 1, 0, BORDER_DEFAULT
    # canny_image  = auto_canny(image)
    flag,thres = cv2.threshold(image_sobel,0,255,cv2.THRESH_OTSU|cv2.THRESH_BINARY)
    print(flag)
    flag,thres = cv2.threshold(image_sobel,int(flag*0.7),255,cv2.THRESH_BINARY)
    # thres = simpleThres(image_sobel)
    kernal = np.ones(shape=(3,15))
    thres = cv2.morphologyEx(thres,cv2.MORPH_CLOSE,kernal)
    return thres


#确定粗略的左右边界 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def backprojection(target, roihist):
    '''图像预处理'''
    hsvt = cv2.cvtColor(target,cv2.COLOR_BGR2HSV)
    dst = cv2.calcBackProject([hsvt],[0,1],roihist,[0,180,0,256],1)
    # Now convolute with circular disc
    disc = cv2.getStructuringElement(cv2.MORPH_ELLIPSE,(7,7))
    cv2.filter2D(dst,-1,disc,dst)
    # threshold and binary AND
    ret,binary = cv2.threshold(dst,80,255,0)
    # 创建 核
    kernel = np.ones((5,5), np.uint8)
    iter_time = 1
    # 闭运算
    binary = cv2.morphologyEx(binary, cv2.MORPH_CLOSE, kernel,iterations=iter_time)

    thresh = cv2.merge((binary,binary,binary))
    target_filter = cv2.bitwise_and(target,thresh)
    
    return binary, target_filter 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def _morphological_process(image, kernel_size=5):
        """

        :param image:
        :param kernel_size:
        :return:
        """
        if image.dtype is not np.uint8:
            image = np.array(image, np.uint8)
        if len(image.shape) == 3:
            image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)

        kernel = cv2.getStructuringElement(shape=cv2.MORPH_ELLIPSE, ksize=(kernel_size, kernel_size))

        # close operation fille hole
        closing = cv2.morphologyEx(image, cv2.MORPH_CLOSE, kernel, iterations=1)

        return closing 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def get_target_centers(img):

    # Hide buff line
    # img[0:70, 0:500] = (0, 0, 0)

    # Hide your name in first camera position (default)
    img[210:230, 350:440] = (0, 0, 0)
    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
    # cv2.imwrite('1_gray_img.png', gray)

    # Find only white text
    ret, threshold1 = cv2.threshold(gray, 252, 255, cv2.THRESH_BINARY)
    # cv2.imwrite('2_threshold1_img.png', threshold1)

    # Morphological transformation
    kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (50, 5))
    closed = cv2.morphologyEx(threshold1, cv2.MORPH_CLOSE, kernel)
    # cv2.imwrite('3_morphologyEx_img.png', closed)
    closed = cv2.erode(closed, kernel, iterations=1)
    # cv2.imwrite('4_erode_img.png', closed)
    closed = cv2.dilate(closed, kernel, iterations=1)
    # cv2.imwrite('5_dilate_img.png', closed)

    (_, centers, hierarchy) = cv2.findContours(closed, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
    return centers 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def getBlobContours(ROI_image, 
                    thresh, 
                    strel_size=(5, 5), 
                    is_light_background=True, 
                    analysis_type="WORM", 
                    thresh_block_size=15):

    
    ROI_image = _remove_corner_blobs(ROI_image)
    ROI_mask, thresh = _get_blob_mask(ROI_image, thresh, thresh_block_size, is_light_background, analysis_type)
    
    # clean it using morphological closing - make this optional by setting strel_size to 0
    if np.all(strel_size):
        strel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, strel_size)
        ROI_mask = cv2.morphologyEx(ROI_mask, cv2.MORPH_CLOSE, strel)

    # get worms, assuming each contour in the ROI is a worm

    ROI_worms, hierarchy = cv2.findContours(ROI_mask, 
                                               cv2.RETR_EXTERNAL, 
                                               cv2.CHAIN_APPROX_NONE)[-2:]


    return ROI_worms, hierarchy 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def getBlobsSimple(in_data, blob_params):
    frame_number, image = in_data
    min_area, worm_bw_thresh_factor, strel_size = blob_params
    
    
    img_m = cv2.medianBlur(image, 3)
    
    valid_pix = img_m[img_m>0]
    if len(valid_pix) == 0:
        return []
    
    th = _thresh_bw(valid_pix)*worm_bw_thresh_factor
    
    _, bw = cv2.threshold(img_m, th,255,cv2.THRESH_BINARY)
    if np.all(strel_size):
        strel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, strel_size)
        bw = cv2.morphologyEx(bw, cv2.MORPH_CLOSE, strel)

    cnts, hierarchy = cv2.findContours(bw, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_NONE)[-2:]
    
    
    blobs_data = _cnt_to_props(cnts, frame_number, th, min_area)
    return blobs_data 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def skeletonize(img):
    """ OpenCV function to return a skeletonized version of img, a Mat object"""

    #  hat tip to http://felix.abecassis.me/2011/09/opencv-morphological-skeleton/

    img = img.copy() # don't clobber original
    skel = img.copy()

    skel[:,:] = 0
    kernel = cv2.getStructuringElement(cv2.MORPH_CROSS, (3,3))

    while True:
        eroded = cv2.morphologyEx(img, cv2.MORPH_ERODE, kernel)
        temp = cv2.morphologyEx(eroded, cv2.MORPH_DILATE, kernel)
        temp  = cv2.subtract(img, temp)
        skel = cv2.bitwise_or(skel, temp)
        img[:,:] = eroded[:,:]
        if cv2.countNonZero(img) == 0:
            break

    return skel 

# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import morphologyEx [as 别名]
def motionDetected(self, new_frame):
        frame = self.preprocessInputFrame(new_frame)

        gray = cv.cvtColor(frame, cv.COLOR_BGR2GRAY)
        gray = cv.GaussianBlur(gray, (21, 21), 0)

        if self.prevFrame is None:
            self.prevFrame = gray
            return False

        frameDiff = cv.absdiff(gray, self.prevFrame)

        # kernel = np.ones((5, 5), np.uint8)

        opening = cv.morphologyEx(frameDiff, cv.MORPH_OPEN, None)  # noqa
        closing = cv.morphologyEx(frameDiff, cv.MORPH_CLOSE, None)  # noqa

        ret1, th1 = cv.threshold(frameDiff, 10, 255, cv.THRESH_BINARY)

        height = np.size(th1, 0)
        width = np.size(th1, 1)

        nb = cv.countNonZero(th1)

        avg = (nb * 100) / (height * width)  # Calculate the average of black pixel in the image

        self.prevFrame = gray

        # cv.DrawContours(currentframe, self.currentcontours, (0, 0, 255), (0, 255, 0), 1, 2, cv.CV_FILLED)
        # cv.imshow("frame", current_frame)

        ret = avg > self.threshold   # If over the ceiling trigger the alarm

        if ret:
            self.updateMotionDetectionDts()

        return ret