def getPredict(hps, mode, gasmeter_filename, save_file_name):
xp = tf.placeholder(
tf.float32,
[None, captchaBoxHeight * captchaBoxWidth * gen.ImageDepth])
yp = tf.placeholder(tf.float32,
[None, captchaCharacterLength * CHAR_SET_LEN])
model = ResNetModel.ResNetModel(hps, xp, yp, mode, captchaBoxHeight,
captchaBoxWidth, gen.ImageDepth)
model.create_graph(captchaCharacterLength)
with tf.Session(config=tf.ConfigProto(allow_soft_placement=True)) as sess:
saver = tf.train.Saver()
saver.restore(sess, save_file_name)
# image = Image.open(gasmeter_filename)
# image = image.resize((captchaBoxWidth,captchaBoxHeight), Image.BICUBIC)
image = cv2.imread(gasmeter_filename)
image = ImageTool.imageResize(image, captchaBoxWidth, captchaBoxHeight)
if gen.ImageDepth == 1:
image = ImageTool.convertImgBGR2Gray(image)
# image = ImageTool.convertImgRGB2Gray(image)
ImageTool.showImagePIL(image)
images = ImageTool.repeatImage2Tensor(image, hps.batch_nums)
feed_dict = {xp: images, model.is_training_ph: False}
outputs = sess.run([model.outputs], feed_dict=feed_dict)
text = get_predict_text(outputs)
return text
def getLCDAreaData(image):
"""
获取 LCD 区域图片数据
:param image: cv2 读进来的图片对象
"""
image = ImageTool.preProcessImage(image)
blackMask = MaskTool.getBlackMaskBGR()
image = blackMask.getInterestImageAreaData(image)
shape = image.shape
grayImage = ImageTool.convertImgBGR2Gray(image)
mid = int(shape[0] / 2)
splitImageBox = (0, mid, shape[1], shape[0])
splitImageGray = ImageTool.getCropImageByBox(grayImage, splitImageBox)
splitImage = ImageTool.getCropImageByBox(image, splitImageBox)
# 显示剪切的 lcd 屏所在的下半屏灰度图
ImageTool.showImagePIL(splitImageGray, "splitImageGray")
retval, otsuImage = ImageTool.getOTSUGrayImage(splitImageGray)
otsuImage = ImageTool.convertImgGray2BGR(otsuImage)
lower = (250, 250, 250)
upper = (255, 255, 255)
lcdBoxCorner = ImageTool.getInterestBoxCornerPointByColor(
otsuImage, lower, upper)
lcdBox = LCDLightDetect.getMinBox(lcdBoxCorner)
# ImageTool.showBoxInImageByBox(splitImage, lcdBox)
lcdImage = ImageTool.getCropImageByBox(splitImage, lcdBox)
return lcdImage
def getRollerBlackArea(self):
rollerBox = self.getRollerBox()
rollerImage = ImageTool.getCropImageByBox(self._image, rollerBox)
rollerImage = ImageTool.imageResize(rollerImage, self._desWidth,
self._desHeight)
if self._desImageDepth == 1:
rollerImage = ImageTool.convertImgBGR2Gray(rollerImage)
self._rollerImage = rollerImage
return self._rollerImage
def setImage(self, image):
"""
设置要处理的图片
:param image: 是cv2读进来的图片对象
提取表头黑色背景区域图片保存到 self._image 域中，方便以后提取条形码、液晶屏、黑底白字滚轮区域数字
"""
if image is None:
raise ValueError("image is None")
image = ImageTool.preProcessImage(image)
# ImageTool.showImagePIL(image)
super(GasmeterStyle1, self).setImage(image)
blackMask = MaskTool.getBlackMaskBGR()
self._image = blackMask.getInterestImageAreaData(self._image)
self._grayImage = ImageTool.convertImgBGR2Gray(self._image)
def getRollerBlackArea(self):
if self._image is None:
raise ValueError("应先通过setImage()函数设置image，然后获取感兴趣数据")
blackMask = MaskTool.getBlackMaskBGR()
blackImage = blackMask.getInterestImageAreaData(self._image)
redMask = MaskTool.getRedMaskBGR()
redBox = redMask.getInterestBox(blackImage)
if redBox is not None:
rollerBlackArea = ImageTool.removeRightArea(blackImage, redBox[0])
else:
rollerBlackArea = blackImage
rollerBlackArea = ImageTool.imageResize(rollerBlackArea,
self._desWidth,
self._desHeight)
if self._desImageDepth == 1:
rollerBlackArea = ImageTool.convertImgBGR2Gray(rollerBlackArea)
return rollerBlackArea
def lcdLighted(lcdImage):
"""
检测lcd 区域图片是否点亮，如果亮返回True，如果不亮返回False
:param lcdImage: cv2 读进来的图片对象
"""
lower = (0, 0, 0)
upper = (50, 50, 50)
blackBoxCorner = ImageTool.getInterestBoxCornerPointByColor(
lcdImage, lower, upper)
# 如果获得的 lcd 区域有黑色区域，说明没有点亮。
if blackBoxCorner is not None:
return False
lcdImageGray = ImageTool.convertImgBGR2Gray(lcdImage)
retval, otsuImage = ImageTool.getOTSUGrayImage(lcdImageGray)
otsuImage = ImageTool.convertImgGray2BGR(otsuImage)
notLcdBoxCorner = ImageTool.getInterestBoxCornerPointByColor(
otsuImage, lower, upper)
ImageTool.showImagePIL(lcdImage, "lcdimage")
return notLcdBoxCorner is None