def add_control_pane(self, fixed_width=220):
# Control pane widget
self.vpane = ZVerticalPane(self, fixed_width)
self.ksize = 3
self.shape_id = 2;
self.type_id = 3
self.shapes = { "MORPH_RECT": 0, "MORPH_CROSS": 1, "MORPH_ELLIPSE":2}
self.shape = ZLabeledComboBox(self.vpane, "MorphShape")
self.shape.add_items(list(self.shapes.keys() ))
self.shape.add_activated_callback(self.shape_activated)
self.shape.set_current_text(self.shape_id)
self.types = { "MORPH_OPEN": 0, "MORPH_CLOSE": 1, "MORPH_GRADIENT": 2,
"MORPH_TOPHAT": 3, "MORPH_BLACKHAT": 4 }
self.type = ZLabeledComboBox(self.vpane, "MorphType")
self.type.add_items(list(self.types.keys() ))
self.type.add_activated_callback(self.type_activated)
self.type.set_current_text(self.type_id)
self.ksize_slider = ZLabeledSlider(self.vpane, "KernelSize", take_odd =True,
minimum=1, maximum=33, value=self.ksize, fixed_width=200)
self.ksize_slider.add_value_changed_callback(self.ksize_value_changed)
self.vpane.add(self.shape)
self.vpane.add(self.type)
self.vpane.add(self.ksize_slider)
self.set_right_dock(self.vpane)
def add_control_pane(self, fixed_width=220):
# Control pane widget
self.vpane = ZVerticalPane(self, fixed_width)
self.stride = 6
self.hog_descriptor_id = self.DEFAULT
self.hog_descriptors = {
"Default": self.DEFAULT,
"Daimler": self.DAIMLER,
"UserDefined": self.USER_DEFINED
}
self.hog_descriptor = ZLabeledComboBox(self.vpane, "HOG Descriptor")
self.hog_descriptor.add_items(list(self.hog_descriptors.keys()))
self.hog_descriptor.add_activated_callback(
self.hog_descriptor_activated)
self.hog_descriptor.set_current_text(self.hog_descriptor_id)
self.stride_slider = ZLabeledSlider(self.vpane,
"WinStride",
take_odd=False,
minimum=1,
maximum=16,
value=self.stride,
fixed_width=180)
self.stride_slider.add_value_changed_callback(
self.stride_value_changed)
self.vpane.add(self.hog_descriptor)
self.vpane.add(self.stride_slider)
self.set_right_dock(self.vpane)
def __init__(self, title, parent=None):
super(MainView, self).__init__(parent)
self.setWindowTitle(title)
self.vbox = QWidget(self)
self.vlayout = QVBoxLayout(self.vbox)
self.vlayout.setAlignment(Qt.AlignTop)
# Create labeled combobox in vbox.
self.labeled_combobox = ZLabeledComboBox(self.vbox, "LabledCombobox", orientation=Qt.Horizontal)
self.vlayout.addWidget(self.labeled_combobox)
#self.vbox.setLayout(self.vlayout)
self.labeled_combobox.setGeometry(0, 0, 160, 60)
self.labeled_combobox.add_activated_callback(self.combobox_activated)
self.labeled_combobox.set_label("Months")
items = ["January", "Februaty", "March", "April", "May", "June", "July",
"August", "September", "October", "November", "December"]
self.labeled_combobox.add_items(items)
self.setCentralWidget(self.vbox)
self.show()
def add_control_pane(self, fixed_width=220):
# Control pane widget
self.vpane = ZVerticalPane(self, fixed_width)
self.ksize = 3
self.shape_id = 2
self.shapes = {"MORPH_RECT": 0, "MORPH_CROSS": 1, "MORPH_ELLIPSE": 2}
self.shape = ZLabeledComboBox(self.vpane, "AdaptiveMethod")
self.shape.add_items(list(self.shapes.keys()))
self.shape.add_activated_callback(self.shape_activated)
self.ksize_slider = ZLabeledSlider(self.vpane,
"KernelSize",
take_odd=True,
minimum=1,
maximum=33,
value=self.ksize,
fixed_width=200)
self.ksize_slider.add_value_changed_callback(self.ksize_value_changed)
self.vpane.add(self.shape)
self.vpane.add(self.ksize_slider)
self.set_right_dock(self.vpane)
def add_control_pane(self, fixed_width=220):
# Control pane widget
self.vpane = ZVerticalPane(self, fixed_width)
self.block_size = 11
self.adaptive_method_id = 0;
self.threshold_type_id = 0;
self.methods = {"ADAPTIVE_THRESH_MEAN_C": cv2.ADAPTIVE_THRESH_MEAN_C,
"ADAPTIVE_THRESH_GAUSSIAN_C": cv2.ADAPTIVE_THRESH_GAUSSIAN_C}
self.types = {"THRESH_BINARY": cv2.THRESH_BINARY ,
"THRESH_BINARY_INV": cv2.THRESH_BINARY_INV }
self.adaptive_method = ZLabeledComboBox(self.vpane, "AdaptiveMethod")
self.adaptive_method.add_items(list(self.methods.keys() ))
self.adaptive_method.add_activated_callback(self.adaptive_method_activated)
self.threshold_type = ZLabeledComboBox(self.vpane, "ThresholdType")
self.threshold_type.add_items(list(self.types.keys()) )
self.threshold_type.add_activated_callback(self.threshold_type_activated)
self.labeled_slider = ZLabeledSlider(self.vpane, "BlockSize", take_odd =True,
minimum=3, maximum=43, value=self.block_size, fixed_width=200)
self.labeled_slider.add_value_changed_callback(self.slider_value_changed)
self.vpane.add(self.adaptive_method)
self.vpane.add(self.threshold_type)
self.vpane.add(self.labeled_slider)
self.set_right_dock(self.vpane)
def add_control_pane(self, fixed_width=200):
# Control pane widget
self.vpane = ZVerticalPane(self, fixed_width)
# 1 Stitcher detector selection combobox
self.detectors = {
"AKAZEFeatureDetector": self.DETECTOR_AKAZE,
"BRISKFeatureDetector": self.DETECTOR_BRISK,
"ORBFeatureDetector": self.DETECTOR_ORB
}
self.detector_id = self.DETECTOR_AKAZE
self.detector_combobox = ZLabeledComboBox(self.vpane,
"FeatureDetector")
self.detector_combobox.add_activated_callback(self.detector_changed)
self.detector_combobox.add_items(self.detectors.keys())
self.detector_combobox.set_current_text(self.detector_id)
self.best_top = {
"10": 10,
"20": 20,
"30": 30,
"40": 40,
"50": 50,
"60": 60,
"70": 70,
"80": 80,
"90": 90,
"100": 100
}
self.best_top_value = 10
self.best_top_combobox = ZLabeledComboBox(self.vpane, "BestTopNumber")
self.best_top_combobox.add_activated_callback(self.best_top_changed)
self.best_top_combobox.add_items(self.best_top.keys())
self.best_top_combobox.set_current_text(0)
# Match pushbutton
self.match_button = QPushButton("Match", self.vpane)
self.match_button.clicked.connect(self.match_button_clicked)
self.spacer = QLabel("", self.vpane)
self.matched_number = QLabel("", self.vpane)
self.vpane.add(self.detector_combobox)
self.vpane.add(self.best_top_combobox)
self.vpane.add(self.match_button)
self.vpane.add(self.spacer)
self.vpane.add(self.matched_number)
self.set_right_dock(self.vpane)
class MainView(QMainWindow):
def __init__(self, title, parent=None):
super(MainView, self).__init__(parent)
self.setWindowTitle(title)
self.vbox = QWidget(self)
self.vlayout = QVBoxLayout(self.vbox)
self.vlayout.setAlignment(Qt.AlignTop)
# Create labeled combobox in vbox.
self.labeled_combobox = ZLabeledComboBox(self.vbox, "LabeledComboBox")
self.vlayout.addWidget(self.labeled_combobox)
#self.vbox.setLayout(self.vlayout)
self.labeled_combobox.setGeometry(0, 0, 160, 60)
self.labeled_combobox.add_activated_callback(self.combobox_activated)
self.labeled_combobox.set_label("Months")
items = [
"January", "Februaty", "March", "April", "May", "June", "July",
"August", "September", "October", "November", "December"
]
self.labeled_combobox.add_items(items)
self.setCentralWidget(self.vbox)
self.show()
def get_labeled_combobox(self):
return self.labeled_combobox
# comobobox activated callback.
def combobox_activated(self, text):
print("MainView.combobox_activated:{}".format(text))
def add_control_pane(self, fixed_width=130):
# Control pane widget
self.ksize = 11
self.vpane = ZVerticalPane(self, fixed_width)
# 1 Stitcher mode selection combobox
self.modes = {"PANORAM": 0, "SCANS": 1}
self.labeled_combobox = ZLabeledComboBox(self.vpane, "Sticher Mode")
self.labeled_combobox.add_activated_callback(self.mode_changed)
self.labeled_combobox.add_items(self.modes.keys())
# Stitch pushbutton
self.stitch_button = QPushButton("Stitch", self.vpane)
self.stitch_button.clicked.connect(self.stitch)
self.vpane.add(self.labeled_combobox)
self.vpane.add(self.stitch_button)
self.set_right_dock(self.vpane)
def add_renderer_combobox(self):
self.renderer_id = MainView.EdgePreserveSmoothingByNormalizedConvolutionFilter
self.renderer_combobox = ZLabeledComboBox(self, "RenderingType",
Qt.Horizontal)
self.renderers = {
"EdgePreserve Smoothing By Normalized Convolution Filter":
MainView.EdgePreserveSmoothingByNormalizedConvolutionFilter,
"EdgePreserve Smoothing By Recursive Filter":
MainView.EdgePreserveSmoothingByRecursiveFilter,
"Detail Enhancement": MainView.DetailEnhancement,
"Monochrome Pencil Sketch": MainView.MonochromePencilSketch,
"Color Pencil Sketch": MainView.ColorPencilSketch,
"Stylization": MainView.Stylization
}
self.renderer_combobox.add_items(self.renderers.keys())
self.renderer_combobox.add_activated_callback(self.renderer_activated)
self.renderer_combobox.set_current_text(self.renderer_id)
self.set_top_dock(self.renderer_combobox)
class MainView(ZApplicationView):
# Inner classes
#--------------------------------------------
class SourceImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
self.load_opencv_image(filename)
self.update()
class TransformedImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
self.load_opencv_image(filename)
def transform(self, shape_id, ksize):
src_image = self.get_opencv_image()
element = cv2.getStructuringElement(shape_id, (ksize, ksize),
(-1, -1))
transformed_image = cv2.dilate(src_image, element)
if transformed_image.all() != None:
self.set_opencv_image(transformed_image)
self.update()
#--------------------------------------------
# MainView Constructor
def __init__(self, title, x, y, width, height):
super(MainView, self).__init__(title, x, y, width, height)
filename = "../images/HelloWorld.png"
# 1 Create first imageview.
self.source_image_view = self.SourceImageView(self)
# 2 Create second imageview.
self.transformed_image_view = self.TransformedImageView(self)
# 3 Load the file
self.load_file(filename)
# 4 Add two image views to a main_layout of this main view.
self.add(self.source_image_view)
self.add(self.transformed_image_view)
self.show()
def add_control_pane(self, fixed_width=220):
# Control pane widget
self.vpane = ZVerticalPane(self, fixed_width)
self.ksize = 3
self.shape_id = 2
self.shapes = {"MORPH_RECT": 0, "MORPH_CROSS": 1, "MORPH_ELLIPSE": 2}
self.shape = ZLabeledComboBox(self.vpane, "AdaptiveMethod")
self.shape.add_items(list(self.shapes.keys()))
self.shape.add_activated_callback(self.shape_activated)
self.ksize_slider = ZLabeledSlider(self.vpane,
"KernelSize",
take_odd=True,
minimum=1,
maximum=33,
value=self.ksize,
fixed_width=200)
self.ksize_slider.add_value_changed_callback(self.ksize_value_changed)
self.vpane.add(self.shape)
self.vpane.add(self.ksize_slider)
self.set_right_dock(self.vpane)
def file_open(self):
options = QFileDialog.Options()
filename, _ = QFileDialog.getOpenFileName(
self,
"FileOpenDialog",
"",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)",
options=options)
if filename:
self.load_file(filename)
def load_file(self, filename):
self.source_image_view.load(filename)
self.transformed_image_view.load(filename)
self.transformed_image_view.transform(self.shape_id, self.ksize)
self.set_filenamed_title(filename)
def ksize_value_changed(self, value):
self.ksize = int(value)
if self.ksize % 2 == 0:
self.ksize = int((self.ksize * 2) / 2 + 1)
# Block size should be odd.
#print("ksize_value_changed:{}".format(ksize))
self.transformed_image_view.transform(self.shape_id, self.ksize)
def shape_activated(self, text):
self.shape_id = self.shapes[text]
print("shape_activated:{} {}".format(text, self.shape_id))
self.transformed_image_view.transform(self.shape_id, self.ksize)
class MainView(ZApplicationView):
# Inner classes
#--------------------------------------------
class SourceImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
self.load_opencv_image(filename)
self.update()
class NonPhotorealisticView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
self.load_opencv_image(filename)
self.update()
def transform(self, renderer_type_id):
print("transform {}".format(renderer_type_id))
try:
src_image = self.get_opencv_image()
self.transformed_image = None
if src_image.any() != None:
if renderer_type_id == MainView.EdgePreserveSmoothingByNormalizedConvolutionFilter:
self.transformed_image = cv2.edgePreservingFilter(
src_image, flags=1)
if renderer_type_id == MainView.EdgePreserveSmoothingByRecursiveFilter:
self.transformed_image = cv2.edgePreservingFilter(
src_image, flags=2)
if renderer_type_id == MainView.DetailEnhancement:
self.transformed_image = cv2.detailEnhance(src_image)
if renderer_type_id == MainView.MonochromePencilSketch:
self.transformed_image, _ = cv2.pencilSketch(
src_image,
sigma_s=10,
sigma_r=0.1,
shade_factor=0.03)
if renderer_type_id == MainView.ColorPencilSketch:
_, self.transformed_image = cv2.pencilSketch(
src_image,
sigma_s=10,
sigma_r=0.1,
shade_factor=0.03)
if renderer_type_id == MainView.Stylization:
self.transformed_image = cv2.stylization(src_image)
if self.transformed_image.all() != None:
self.set_opencv_image(self.transformed_image)
self.update()
except:
traceback.print_exc()
#--------------------------------------------
# Class variables
EdgePreserveSmoothingByNormalizedConvolutionFilter = 0
EdgePreserveSmoothingByRecursiveFilter = 1
DetailEnhancement = 2
MonochromePencilSketch = 3
ColorPencilSketch = 4
Stylization = 5
# MainView Constructor
def __init__(self, title, x, y, width, height):
super(MainView, self).__init__(title, x, y, width, height)
self.filename = "../images/Figure.png"
# 1 Create source imageview.
self.source_image_view = self.SourceImageView(self)
# 2 Create NonPhotorealisticView imageview.
self.transformed_image_view = self.NonPhotorealisticView(self)
# 3 Add two image views to a main_layout of this main view.
self.add(self.source_image_view)
self.add(self.transformed_image_view)
# 4 Add a labeled combobox to top dock area
self.add_renderer_combobox()
# 5 Load the file
self.load_file(self.filename)
self.show()
def add_renderer_combobox(self):
self.renderer_id = MainView.EdgePreserveSmoothingByNormalizedConvolutionFilter
self.renderer_combobox = ZLabeledComboBox(self, "RenderingType",
Qt.Horizontal)
self.renderers = {
"EdgePreserve Smoothing By Normalized Convolution Filter":
MainView.EdgePreserveSmoothingByNormalizedConvolutionFilter,
"EdgePreserve Smoothing By Recursive Filter":
MainView.EdgePreserveSmoothingByRecursiveFilter,
"Detail Enhancement": MainView.DetailEnhancement,
"Monochrome Pencil Sketch": MainView.MonochromePencilSketch,
"Color Pencil Sketch": MainView.ColorPencilSketch,
"Stylization": MainView.Stylization
}
self.renderer_combobox.add_items(self.renderers.keys())
self.renderer_combobox.add_activated_callback(self.renderer_activated)
self.renderer_combobox.set_current_text(self.renderer_id)
self.set_top_dock(self.renderer_combobox)
# Show FileOpenDialog and select an image file.
def file_open(self):
options = QFileDialog.Options()
filename, _ = QFileDialog.getOpenFileName(
self,
"FileOpenDialog",
"",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)",
options=options)
if filename:
self.load_file(filename)
def load_file(self, filename):
self.filename = filename
self.source_image_view.load(filename)
self.transformed_image_view.load(filename)
self.transformed_image_view.transform(self.renderer_id)
self.set_filenamed_title(filename)
def renderer_activated(self, text):
print("renderer_activated {} {}".format(text, self.renderer_id))
self.renderer_id = self.renderers[text]
self.transformed_image_view.transform(self.renderer_id)
class MainView(ZApplicationView):
# Inner classes
#---------------------------------------------------------
class BinarizedImageView(ZOpenCVImageView):
def __init__(self, parent, filename=None, flags=cv2.IMREAD_COLOR):
ZOpenCVImageView.__init__(self, parent, filename, flags)
src_mage = self.get_opencv_image()
self.gray_image = cv2.cvtColor(src_mage, cv2.COLOR_BGR2GRAY)
print("BinarizedImage")
self.binarized_image = None
def get_binarized_image(self):
return self.binarized_image
def binarize(self, threshold_type, threshold_value):
try:
THRESHOLD_VALUE_MAX = 255
_, self.binarized_image = cv2.threshold(
self.gray_image, threshold_value, THRESHOLD_VALUE_MAX,
threshold_type)
#self.update()
#print("bin {}".format(self.binarized_image.shape))
return self.binarized_image
except:
traceback.print_exc()
class MatchedImageView(ZOpenCVImageView):
def __init__(self, parent, filename=None, flags=cv2.IMREAD_COLOR):
ZOpenCVImageView.__init__(self, parent, filename, flags)
def set_matched_image(self, image):
self.set_opencv_image(image)
self.update()
def set_image(self, image):
self.set_opencv_image(image)
self.update()
#---------------------------------------------------------
FIRST = 0
SECOND = 1
THIRD = 2
# MainView Constructor
def __init__(self, title, x, y, width, height):
super(MainView, self).__init__(title, x, y, width, height)
self.filenames = [
"../images/CatImage.png", "../images/CatFace.png",
"../images/Blank.png"
]
self.image_views = [None, None, None]
self.grid = ZGridLayouter(self)
flags = cv2.IMREAD_COLOR
# 1 Create three image views.
self.image_views[self.FIRST] = self.BinarizedImageView(
self, self.filenames[self.FIRST], flags)
self.image_views[self.SECOND] = self.BinarizedImageView(
self, self.filenames[self.SECOND], flags)
self.image_views[self.THIRD] = self.MatchedImageView(
self, self.filenames[self.THIRD], flags)
# 2 Add the image views to the grid layouter.
self.grid.add(self.image_views[self.FIRST], 0, 0)
self.grid.add(self.image_views[self.SECOND], 0, 1)
self.grid.add(self.image_views[self.THIRD], 1, 0, 1, 2)
filename = self.filenames[self.FIRST] + " " + self.filenames[
self.SECOND]
self.set_filenamed_title(filename)
self.show()
# Redefined add_file_menu.
def add_file_menu(self):
# Typical file menu
self.file_menu = QMenu('&File', self)
self.file_menu.addAction('&New', self.file_new)
self.file_menu.addAction('&Open First File', self.first_file_open)
self.file_menu.addAction('&Open Second File', self.second_file_open)
self.file_menu.addAction('&Save', self.file_save)
self.file_menu.addAction('&Save As', self.file_save_as)
self.file_menu.addAction('&Quit', self.file_quit)
self.menuBar().addMenu(self.file_menu)
def add_control_pane(self, fixed_width=200):
# Control pane widget
self.threshold_value = 11
self.vpane = ZVerticalPane(self, fixed_width)
self.threshold_type_id = 0
self.types = {
"THRESH_BINARY": cv2.THRESH_BINARY,
"THRESH_BINARY_INV": cv2.THRESH_BINARY_INV,
"THRESH_TRUNC": cv2.THRESH_TRUNC,
"THRESH_TOZERO": cv2.THRESH_TOZERO,
"THRESH_TOZERO_INV": cv2.THRESH_TOZERO_INV,
"THRESH_OTSU": cv2.THRESH_OTSU,
"THRESH_TRIANGLE": cv2.THRESH_TRIANGLE
}
self.threshold_type = ZLabeledComboBox(self.vpane, "ThresholdType")
self.threshold_type.add_items(list(self.types.keys()))
self.threshold_type.add_activated_callback(
self.threshold_type_activated)
self.threshold_type.set_current_text(self.threshold_type_id)
self.threshold_value = 60
self.threshold_value_slider = ZLabeledSlider(
self.vpane,
"ThresholdValue",
take_odd=True,
minimum=0,
maximum=255,
value=self.threshold_value,
fixed_width=200)
self.threshold_value_slider.add_value_changed_callback(
self.threshold_value_changed)
self.vpane.add(self.threshold_type)
self.vpane.add(self.threshold_value_slider)
self.match_min_size = 60
self.match_max_size = 240
self.match_min_size_slider = ZLabeledSlider(self.vpane,
"MatchMinSize",
take_odd=True,
minimum=10,
maximum=100,
value=self.match_min_size)
self.match_min_size_slider.add_value_changed_callback(
self.match_min_size_value_changed)
self.match_max_size_slider = ZLabeledSlider(self.vpane,
"MatchMaxSize",
take_odd=True,
minimum=100,
maximum=400,
value=self.match_max_size)
self.match_max_size_slider.add_value_changed_callback(
self.match_max_size_value_changed)
self.vpane.add(self.match_min_size_slider)
self.vpane.add(self.match_max_size_slider)
self.clear_button = QPushButton("Clear", self.vpane)
self.clear_button.clicked.connect(self.clear_button_clicked)
self.match_button = QPushButton("Match", self.vpane)
self.match_button.clicked.connect(self.match_button_clicked)
self.vpane.add(self.clear_button)
self.vpane.add(self.match_button)
self.set_right_dock(self.vpane)
def first_file_open(self):
options = QFileDialog.Options()
filename, _ = QFileDialog.getOpenFileName(
self,
"FileOpenDialog",
"",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)",
options=options)
if filename:
self.filenames[self.FIRST] = filename
self.image_views[self.FIRST].load_opencv_image(filename)
self.image_views[self.THIRD].load_opencv_image(
self.filenames[self.THIRD])
filename = self.filenames[self.FIRST] + " " + self.filenames[
self.SECOND]
self.set_filenamed_title(filename)
def second_file_open(self):
options = QFileDialog.Options()
filename, _ = QFileDialog.getOpenFileName(
self,
"FileOpenDialog",
"",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)",
options=options)
if filename:
self.filenames[self.SECOND] = filename
self.image_views[self.SECOND].load_opencv_image(filename)
self.image_views[self.THIRD].load_opencv_image(
self.filenames[self.THIRD])
filename = self.filenames[self.FIRST] + " " + self.filenames[
self.SECOND]
self.set_filenamed_title(filename)
def threshold_type_activated(self, text):
self.threshold_type_id = self.types[text]
self.shapeMatching()
def threshold_value_changed(self, value):
self.threshold_value = int(value)
if self.threshold_value % 2 == 0:
# Block size should be odd.
self.threshold_value = int((self.threshold_value * 2) / 2 + 1)
self.shapeMatching()
def match_min_size_value_changed(self, value):
self.match_min_size = int(value)
self.shapeMatching()
def match_max_size_value_changed(self, value):
self.match_max_size = int(value)
self.shapeMatching()
def clear_button_clicked(self):
src_image = self.image_views[self.FIRST].get_opencv_image().copy()
self.image_views[self.THIRD].set_image(src_image)
def match_button_clicked(self):
self.shapeMatching()
# Shape matching operation to two images in image_views[self.FIRST] and image_views[self.SECOND].
# A matched rectangle will be draw on image_views[self.THIRD].
def shapeMatching(self):
src_image = self.image_views[self.FIRST].get_opencv_image().copy()
self.image_views[self.THIRD].set_image(src_image)
src_bin = self.image_views[self.FIRST].binarize(
self.threshold_type_id, self.threshold_value)
tmp_bin = self.image_views[self.SECOND].binarize(
self.threshold_type_id, self.threshold_value)
nlabels, labels, stats, centroids = cv2.connectedComponentsWithStats(
src_bin)
print("labels:{}".format(nlabels))
dest_image = src_image.copy()
MATCHING_THRESHOLD = 0.005
minimum = [0, 0, 0, 0] #cv2.Rect(0, 0, 0, 0)
MIN_SIMILARITY = 1.0
found = False
CV_CONTOURS_MATCH_I1 = 1
for i in range(nlabels):
x, y, w, h, a = stats[i]
rect = [x, y, w, h]
# Region of interest
roi = src_bin[y:(y + h), x:(x + w)]
similarity = cv2.matchShapes(
tmp_bin, roi, CV_CONTOURS_MATCH_I1,
0) #method=CV_CONTOURS_MATCH_I1, parameter=0);
if ((w >= self.match_min_size or h >= self.match_min_size) and
(w <= self.match_max_size or h <= self.match_max_size)):
if (similarity <= MIN_SIMILARITY):
MIN_SIMILARITY = similarity
minimum = rect
print("matching similarity={} x={} y={} w={} h={}".format(
similarity, x, y, w, h))
found = True
if found:
x, y, w, h = minimum
cv2.rectangle(dest_image, (x, y), (x + w, y + h), (0, 0, 255), 3)
self.image_views[self.THIRD].set_matched_image(dest_image)
class MainView(ZApplicationView):
FIRST = 0
SECOND = 1
THIRD = 2
DETECTOR_AKAZE = 0
DETECTOR_BRISK = 1
DETECTOR_ORB = 2
SOURCE_IMAGES = 2
# MainView Construsctor
def __init__(self, title, x, y, width, height):
super(MainView, self).__init__(title, x, y, width, height)
self.filenames = ["../images/Tower1.png", "../images/Tower2.png", "../images/Blank.png"]
self.grid = ZGridLayouter(self)
self.image_views = [None, None, None]
flags = cv2.IMREAD_COLOR
# Create three imageviews.
self.image_views[self.FIRST] = ZOpenCVImageView(self.grid, self.filenames[self.FIRST], flags)
self.image_views[self.SECOND] = ZOpenCVImageView(self.grid, self.filenames[self.SECOND], flags)
self.image_views[self.THIRD] = ZOpenCVImageView(self.grid, self.filenames[self.THIRD], flags)
self.grid.add(self.image_views[self.FIRST], 0, 0)
self.grid.add(self.image_views[self.SECOND], 0, 1)
self.grid.add(self.image_views[self.THIRD], 1, 0, 1, 2)
self.detector_id = self.DETECTOR_AKAZE
self.detector= None
self.show()
# Redefined add_file_menu.
def add_file_menu(self):
# Typical file menu
self.file_menu = QMenu('&File', self)
self.file_menu.addAction('&New', self.file_new)
self.file_menu.addAction('&Open First File', self.first_file_open)
self.file_menu.addAction('&Open Second File', self.second_file_open)
self.file_menu.addAction('&Save', self.file_save)
self.file_menu.addAction('&Save As', self.file_save_as)
self.file_menu.addAction('&Quit', self.file_quit)
self.menuBar().addMenu(self.file_menu)
# Add control pane to MainView
def add_control_pane(self, fixed_width=200):
# Control pane widget
self.vpane = ZVerticalPane(self, fixed_width)
# 1 Stitcher detector selection combobox
self.detectors = {"AKAZEFeatureDetector" : self.DETECTOR_AKAZE,
"BRISKFeatureDetector" : self.DETECTOR_BRISK,
"ORBFeatureDetector" : self.DETECTOR_ORB}
self.detector_id = self.DETECTOR_AKAZE
self.detector_combobox = ZLabeledComboBox(self.vpane, "FeatureDetector")
self.detector_combobox.add_activated_callback(self.detector_changed)
self.detector_combobox.add_items(self.detectors.keys())
self.detector_combobox.set_current_text(self.detector_id)
self.best_top = {"10" : 10, "20" : 20, "30" : 30, "40" : 40,
"50" : 50, "60" : 60, "70" : 70, "80" : 80,
"90" : 90, "100": 100}
self.best_top_value = 10
self.best_top_combobox = ZLabeledComboBox(self.vpane, "BestTopNumber")
self.best_top_combobox.add_activated_callback(self.best_top_changed)
self.best_top_combobox.add_items(self.best_top.keys())
self.best_top_combobox.set_current_text(0)
# Match pushbutton
self.match_button = QPushButton("Match", self.vpane)
self.match_button.clicked.connect(self.match_button_clicked)
self.spacer = QLabel("", self.vpane)
self.matched_number = QLabel("", self.vpane)
self.vpane.add(self.detector_combobox)
self.vpane.add(self.best_top_combobox)
self.vpane.add(self.match_button)
self.vpane.add(self.spacer)
self.vpane.add(self.matched_number)
self.set_right_dock(self.vpane)
def first_file_open(self):
options = QFileDialog.Options()
self.filenames[self.FIRST], _ = QFileDialog.getOpenFileName(self,"FileOpenDialog", "",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)", options=options)
if self.filenames[self.FIRST]:
self.image_views[self.FIRST].load_opencv_image(self.filenames[self.FIRST], cv2.IMREAD_COLOR)
filename = self.filenames[self.FIRST] + " " + self.filenames[self.SECOND]
self.set_filenamed_title(filename)
def second_file_open(self):
options = QFileDialog.Options()
self.filenames[self.SECOND], _ = QFileDialog.getOpenFileName(self,"FileOpenDialog", "",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)", options=options)
if self.filenames[self.SECOND]:
self.image_views[self.SECOND].load_opencv_image(self.filenames[self.SECOND], cv2.IMREAD_COLOR)
filename = self.filenames[self.FIRST] + " " + self.filenames[self.SECOND]
self.set_filenamed_title(filename)
# Detector Combobox changed callback.
def detector_changed(self, text):
self.detector_id = self.detectors[text]
self.feature_matching()
# Best_top Combobox changed callback.
def best_top_changed(self, text):
self.best_top_value = int(text)
print("Best top value {}".format(self.best_top_value))
self.matched_number
self.feature_matching()
# Match button clicked callback
def match_button_clicked(self):
self.feature_matching()
# Feature matching operation.
def feature_matching(self):
try:
self.detector = None
# 1 Create a feature detector by self.detector_id.
if self.detector_id == self.DETECTOR_AKAZE:
self.detector = cv2.AKAZE_create()
if self.detector_id == self. DETECTOR_BRISK:
self.detector = cv2.BRISK_create()
if self.detector_id == self.DETECTOR_ORB:
self.detector = cv2.ORB_create()
self.keypoints = [None, None]
self.descriptors = [None, None]
self.images = [None, None]
# 2 Call dector.detectAndCompute
for i in range(self.SOURCE_IMAGES):
self.images[i] = self.image_views[i ].get_opencv_image()
self.keypoints[i], self.descriptors[i] = self.detector.detectAndCompute(self.images[i], None)
# 3 Create Brute-Force Matcher object.
bf_matcher = cv2.BFMatcher(cv2.NORM_HAMMING, crossCheck=True)
# 4 Match two descriptors by using bf_matcher.
matches = bf_matcher.match(self.descriptors[self.FIRST], self.descriptors[self.SECOND])
# 5 Update matche_number label.
self.total_matched_number = len(matches)
label = "Matched Number:" + str(self.best_top_value) + "/" + str(self.total_matched_number)
self.matched_number.setText(label)
print("matched number {}".format(len(matches)))
# 6 Sort matches by distance.
matches = sorted(matches, key=lambda x:x.distance)
# 7 Call cv2.drawMatches.
out_image = self.images[self.FIRST]
matched_image = cv2.drawMatches(self.images[self.FIRST], self.keypoints[self.FIRST],
self.images[self.SECOND], self.keypoints[self.SECOND],
matches[:self.best_top_value], out_image, flags=2)
# 8 Set matched_image to the THIRD image_view
self.image_views[self.THIRD].set_opencv_image(matched_image);
self.image_views[self.THIRD].update()
except:
traceback.print_exc()
class MainView(ZApplicationView):
# Inner classes
#--------------------------------------------
class SourceImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
self.load_opencv_image(filename)
self.update()
class DetectedImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
self.load_opencv_image(filename)
def detect(self, hog_descriptor_id, stride):
detected_image = self.get_opencv_image().copy()
self.hog = None
if hog_descriptor_id == MainView.DEFAULT:
winSize = (64, 128)
blockSize = (16, 16)
blockStride = (8, 8)
cellSize = (8, 8)
nbins = 9
self.hog = cv2.HOGDescriptor(winSize, blockSize, blockStride,
cellSize, nbins)
self.hog.setSVMDetector(
cv2.HOGDescriptor_getDefaultPeopleDetector())
if hog_descriptor_id == MainView.DAIMLER:
winSize = (48, 96)
blockSize = (16, 16)
blockStride = (8, 8)
cellSize = (8, 8)
nbins = 9
self.hog = cv2.HOGDescriptor(winSize, blockSize, blockStride,
cellSize, nbins)
self.hog.setSVMDetector(
cv2.HOGDescriptor_getDaimlerPeopleDetector())
if hog_descriptor_id == MainView.USER_DEFINED:
winSize = (32, 64)
blockSize = (8, 8)
blockStride = (4, 4)
cellSize = (4, 4)
nbins = 9
self.hog = cv2.HOGDescriptor(winSize, blockSize, blockStride,
cellSize, nbins)
self.hog.setSVMDetector(
cv2.HOGDescriptor_getDefaultPeopleDetector())
(rectangles,
weights) = self.hog.detectMultiScale(detected_image,
hitThreshold=0,
winStride=(stride, stride),
padding=(0, 0),
scale=1.05,
finalThreshold=2)
for (x, y, w, h) in rectangles:
cv2.rectangle(detected_image, (x, y), (x + w, y + h),
(0, 0, 255), 2)
self.set_opencv_image(detected_image)
self.update()
#--------------------------------------------
DEFAULT = 0
DAIMLER = 1
USER_DEFINED = 2
# MainView Constructor
def __init__(self, title, x, y, width, height):
super(MainView, self).__init__(title, x, y, width, height)
filename = "../images/Pedestrian.png"
# 1 Create first imageview.
self.source_image_view = self.SourceImageView(self)
# 2 Create second imageview.
self.detected_image_view = self.DetectedImageView(self)
# 3 Load the file
self.load_file(filename)
# 4 Add two image views to a main_layout of this main view.
self.add(self.source_image_view)
self.add(self.detected_image_view)
self.show()
def add_control_pane(self, fixed_width=220):
# Control pane widget
self.vpane = ZVerticalPane(self, fixed_width)
self.stride = 6
self.hog_descriptor_id = self.DEFAULT
self.hog_descriptors = {
"Default": self.DEFAULT,
"Daimler": self.DAIMLER,
"UserDefined": self.USER_DEFINED
}
self.hog_descriptor = ZLabeledComboBox(self.vpane, "HOG Descriptor")
self.hog_descriptor.add_items(list(self.hog_descriptors.keys()))
self.hog_descriptor.add_activated_callback(
self.hog_descriptor_activated)
self.hog_descriptor.set_current_text(self.hog_descriptor_id)
self.stride_slider = ZLabeledSlider(self.vpane,
"WinStride",
take_odd=False,
minimum=1,
maximum=16,
value=self.stride,
fixed_width=180)
self.stride_slider.add_value_changed_callback(
self.stride_value_changed)
self.vpane.add(self.hog_descriptor)
self.vpane.add(self.stride_slider)
self.set_right_dock(self.vpane)
def file_open(self):
options = QFileDialog.Options()
filename, _ = QFileDialog.getOpenFileName(
self,
"FileOpenDialog",
"",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)",
options=options)
if filename:
self.load_file(filename)
def load_file(self, filename):
self.source_image_view.load(filename)
self.detected_image_view.load(filename)
self.detected_image_view.detect(self.hog_descriptor_id, self.stride)
self.set_filenamed_title(filename)
def stride_value_changed(self, value):
self.stride = int(value)
self.detected_image_view.detect(self.hog_descriptor_id, self.stride)
def hog_descriptor_activated(self, text):
self.hog_descriptor_id = self.hog_descriptors[text]
print("hog_descriptor_activated:{} {}".format(text,
self.hog_descriptor_id))
self.detected_image_view.detect(self.hog_descriptor_id, self.stride)
class MainView(ZApplicationView):
FIRST = 0
SECOND = 1
THIRD = 2
# MainView Constructor
def __init__(self, title, x, y, width, height):
super(MainView, self).__init__(title, x, y, width, height)
self.filenames = [
"../images/Lake2.png", "../images/Lake1.png", "../images/Blank.png"
]
self.grid = ZGridLayouter(self)
self.image_views = [None, None, None]
flags = cv2.IMREAD_COLOR
# 1 Create first imageview.
self.image_views[self.FIRST] = ZOpenCVImageView(
self.grid, self.filenames[self.FIRST], flags)
self.image_views[self.SECOND] = ZOpenCVImageView(
self.grid, self.filenames[self.SECOND], flags)
self.image_views[self.THIRD] = ZOpenCVImageView(
self.grid, self.filenames[self.THIRD], flags)
self.grid.add(self.image_views[self.FIRST], 0, 0)
self.grid.add(self.image_views[self.SECOND], 0, 1)
self.grid.add(self.image_views[self.THIRD], 1, 0, 1, 2)
self.mode = False #cv2.cv.PANORAMA
#self.stitcher = cv2.createStitcher(self.mode)
self.stitcher = cv2.Stitcher_create(self.mode)
self.stitch()
self.show()
# Redefined add_file_menu.
def add_file_menu(self):
# Typical file menu
self.file_menu = QMenu('&File', self)
self.file_menu.addAction('&New', self.file_new)
self.file_menu.addAction('&Open First File', self.first_file_open)
self.file_menu.addAction('&Open Second File', self.second_file_open)
self.file_menu.addAction('&Save', self.file_save)
self.file_menu.addAction('&Save As', self.file_save_as)
self.file_menu.addAction('&Quit', self.file_quit)
self.menuBar().addMenu(self.file_menu)
# Add control pane to MainView
def add_control_pane(self, fixed_width=130):
# Control pane widget
self.ksize = 11
self.vpane = ZVerticalPane(self, fixed_width)
# 1 Stitcher mode selection combobox
self.modes = {"PANORAM": 0, "SCANS": 1}
self.labeled_combobox = ZLabeledComboBox(self.vpane, "Sticher Mode")
self.labeled_combobox.add_activated_callback(self.mode_changed)
self.labeled_combobox.add_items(self.modes.keys())
# Stitch pushbutton
self.stitch_button = QPushButton("Stitch", self.vpane)
self.stitch_button.clicked.connect(self.stitch)
self.vpane.add(self.labeled_combobox)
self.vpane.add(self.stitch_button)
self.set_right_dock(self.vpane)
def first_file_open(self):
options = QFileDialog.Options()
self.filenames[self.FIRST], _ = QFileDialog.getOpenFileName(
self,
"FileOpenDialog",
"",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)",
options=options)
if self.filenames[self.FIRST]:
self.image_views[self.FIRST].load_opencv_image(
self.filenames[self.FIRST], cv2.IMREAD_COLOR)
filename = self.filenames[self.FIRST] + " " + self.filenames[
self.SECOND]
#self.stitch()
self.set_filenamed_title(filename)
def second_file_open(self):
options = QFileDialog.Options()
self.filenames[self.SECOND], _ = QFileDialog.getOpenFileName(
self,
"FileOpenDialog",
"",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)",
options=options)
if self.filenames[self.SECOND]:
self.image_views[self.SECOND].load_opencv_image(
self.filenames[self.SECOND], cv2.IMREAD_COLOR)
filename = self.filenames[self.FIRST] + " " + self.filenames[
self.SECOND]
#self.stitch()
self.set_filenamed_title(filename)
# combobox changed callback.
def mode_changed(self, text):
new_mode = self.modes[text]
print("prev mode {}".format(self.mode))
if new_mode != self.mode:
# Need to recreate stitcher object.
self.mode = new_mode
print("Recreated new stitcher {}".format(self.mode))
self.stitcher = cv2.createStitcher(self.mode) #
self.stitch()
def stitch(self):
image1 = self.image_views[self.FIRST].get_opencv_image()
image2 = self.image_views[self.SECOND].get_opencv_image()
if image1.all() == None or image2.all() == None:
QMessageBox.critical(self, "Stitcher ",
"First and/or second image is empty!")
return
images = (image1, image2)
status, stitched_image = self.stitcher.stitch(images, self.mode)
if status == 0:
print("Stitched two images")
self.image_views[self.THIRD].set_opencv_image(stitched_image)
self.image_views[self.THIRD].update()
else:
error = self.get_error_message(status)
QMessageBox.critical(self, "Stitcher Failed", error)
def get_error_message(self, key):
key = str(key)
status = { #"0": "OK",
"1": "Err_Need_More_Image",
"2": "Err_Homography_Est_Fail",
"3": "Err_Camera_Params_Adjust_Fail"
}
return status[key]
def add_control_pane(self, fixed_width=200):
# Control pane widget
self.threshold_value = 11
self.vpane = ZVerticalPane(self, fixed_width)
self.threshold_type_id = 0
self.types = {
"THRESH_BINARY": cv2.THRESH_BINARY,
"THRESH_BINARY_INV": cv2.THRESH_BINARY_INV,
"THRESH_TRUNC": cv2.THRESH_TRUNC,
"THRESH_TOZERO": cv2.THRESH_TOZERO,
"THRESH_TOZERO_INV": cv2.THRESH_TOZERO_INV,
"THRESH_OTSU": cv2.THRESH_OTSU,
"THRESH_TRIANGLE": cv2.THRESH_TRIANGLE
}
self.threshold_type = ZLabeledComboBox(self.vpane, "ThresholdType")
self.threshold_type.add_items(list(self.types.keys()))
self.threshold_type.add_activated_callback(
self.threshold_type_activated)
self.threshold_type.set_current_text(self.threshold_type_id)
self.threshold_value = 60
self.threshold_value_slider = ZLabeledSlider(
self.vpane,
"ThresholdValue",
take_odd=True,
minimum=0,
maximum=255,
value=self.threshold_value,
fixed_width=200)
self.threshold_value_slider.add_value_changed_callback(
self.threshold_value_changed)
self.vpane.add(self.threshold_type)
self.vpane.add(self.threshold_value_slider)
self.match_min_size = 60
self.match_max_size = 240
self.match_min_size_slider = ZLabeledSlider(self.vpane,
"MatchMinSize",
take_odd=True,
minimum=10,
maximum=100,
value=self.match_min_size)
self.match_min_size_slider.add_value_changed_callback(
self.match_min_size_value_changed)
self.match_max_size_slider = ZLabeledSlider(self.vpane,
"MatchMaxSize",
take_odd=True,
minimum=100,
maximum=400,
value=self.match_max_size)
self.match_max_size_slider.add_value_changed_callback(
self.match_max_size_value_changed)
self.vpane.add(self.match_min_size_slider)
self.vpane.add(self.match_max_size_slider)
self.clear_button = QPushButton("Clear", self.vpane)
self.clear_button.clicked.connect(self.clear_button_clicked)
self.match_button = QPushButton("Match", self.vpane)
self.match_button.clicked.connect(self.match_button_clicked)
self.vpane.add(self.clear_button)
self.vpane.add(self.match_button)
self.set_right_dock(self.vpane)
class MainView(ZApplicationView):
# Inner classes
#--------------------------------------------
class SourceImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
self.load_opencv_image(filename)
self.update()
class BinarizedImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
source_image = self.load_opencv_image(filename)
image = cv2.GaussianBlur(source_image, (3,3), 0, 0, borderType = cv2.BORDER_DEFAULT );
self.gray_image = cv2.cvtColor(source_image, cv2.COLOR_RGB2GRAY)
def binarize(self, adaptive_method_id, threshold_type_id, block_size):
MAX_PIXEL_VALUE = 255
C = 9.0
binarizered_image = cv2.adaptiveThreshold(self.gray_image, MAX_PIXEL_VALUE,
adaptive_method_id, threshold_type_id, block_size, C);
self.set_opencv_image(binarizered_image)
self.update()
#--------------------------------------------
# MainView Constructor
def __init__(self, title, x, y, width, height):
super(MainView, self).__init__(title, x, y, width, height)
filename = "images/flower.png"
# 1 Create first imageview.
self.source_image_view = self.SourceImageView(self)
# 2 Create second imageview.
self.binarized_image_view = self.BinarizedImageView(self)
# 3 Load the file
self.load_file(filename)
# 4 Add two image views to a main_layout of this main view.
self.add(self.source_image_view)
self.add(self.binarized_image_view)
self.show()
def add_control_pane(self, fixed_width=220):
# Control pane widget
self.vpane = ZVerticalPane(self, fixed_width)
self.block_size = 11
self.adaptive_method_id = 0;
self.threshold_type_id = 0;
self.methods = {"ADAPTIVE_THRESH_MEAN_C": cv2.ADAPTIVE_THRESH_MEAN_C,
"ADAPTIVE_THRESH_GAUSSIAN_C": cv2.ADAPTIVE_THRESH_GAUSSIAN_C}
self.types = {"THRESH_BINARY": cv2.THRESH_BINARY ,
"THRESH_BINARY_INV": cv2.THRESH_BINARY_INV }
self.adaptive_method = ZLabeledComboBox(self.vpane, "AdaptiveMethod")
self.adaptive_method.add_items(list(self.methods.keys() ))
self.adaptive_method.add_activated_callback(self.adaptive_method_activated)
self.threshold_type = ZLabeledComboBox(self.vpane, "ThresholdType")
self.threshold_type.add_items(list(self.types.keys()) )
self.threshold_type.add_activated_callback(self.threshold_type_activated)
self.labeled_slider = ZLabeledSlider(self.vpane, "BlockSize", take_odd =True,
minimum=3, maximum=43, value=self.block_size, fixed_width=200)
self.labeled_slider.add_value_changed_callback(self.slider_value_changed)
self.vpane.add(self.adaptive_method)
self.vpane.add(self.threshold_type)
self.vpane.add(self.labeled_slider)
self.set_right_dock(self.vpane)
def file_open(self):
options = QFileDialog.Options()
filename, _ = QFileDialog.getOpenFileName(self,"FileOpenDialog", "",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)", options=options)
if filename:
self.load_file(filename)
def load_file(self, filename):
self.source_image_view.load(filename)
self.binarized_image_view.load(filename)
self.binarized_image_view.binarize(self.adaptive_method_id, self.threshold_type_id, self.block_size)
self.set_filenamed_title(filename)
def slider_value_changed(self, value):
self.block_size = int(value)
if self.block_size % 2 == 0:
# Block size should be odd.
self.block_size = int((self.block_size * 2)/2 + 1)
#print("slider_value_changed:{}".format(block_size))
self.binarized_image_view.binarize(self.adaptive_method_id, self.threshold_type_id, self.block_size)
def adaptive_method_activated(self, text):
#print("adaptive_method_activated:{}".format(text))
self.adaptive_method_id = self.methods[text]
self.binarized_image_view.binarize(self.adaptive_method_id, self.threshold_type_id, self.block_size)
def threshold_type_activated(self, text):
#print("threshold_type_activated:{}".format(text))
self.threshold_type_id = self.types[text]
self.binarized_image_view.binarize(self.adaptive_method_id, self.threshold_type_id, self.block_size)
class MainView(ZApplicationView):
# Inner classes
#--------------------------------------------
class SourceImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
self.load_opencv_image(filename)
self.update()
class DetectedImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
source_image = self.load_opencv_image(filename)
self.gray_image = cv2.cvtColor(source_image, cv2.COLOR_RGB2GRAY)
def detect(self, adaptive_method_id, threshold_type_id, block_size,
threshold1, threshold2):
MAX_PIXEL_VALUE = 255
C = 9.0
adapted_image = cv2.adaptiveThreshold(self.gray_image,
MAX_PIXEL_VALUE,
adaptive_method_id,
threshold_type_id,
block_size, C)
detected_image = cv2.Canny(adapted_image, threshold1, threshold2)
self.set_opencv_image(detected_image)
self.update()
#--------------------------------------------
# MainView Constructor
def __init__(self, title, x, y, width, height):
super(MainView, self).__init__(title, x, y, width, height)
filename = "../images/SuperCar2.png"
# 1 Create first imageview.
self.source_image_view = self.SourceImageView(self)
# 2 Create second imageview.
self.detected_image_view = self.DetectedImageView(self)
# 3 Load the file
self.load_file(filename)
# 4 Add imageviews to the main_layout which is a horizontal layouter.
self.add(self.source_image_view)
self.add(self.detected_image_view)
self.detected_image_view.detect(self.adaptive_method_id,
self.threshold_type_id,
self.block_size, self.threshold1,
self.threshold2)
self.show()
def add_control_pane(self, fixed_width=220):
# Control pane widget
self.block_size = 11
self.vpane = ZVerticalPane(self, fixed_width)
self.adaptive_method_id = 0
self.threshold_type_id = 0
self.methods = {
"ADAPTIVE_THRESH_MEAN_C": cv2.ADAPTIVE_THRESH_MEAN_C,
"ADAPTIVE_THRESH_GAUSSIAN_C": cv2.ADAPTIVE_THRESH_GAUSSIAN_C
}
self.types = {
"THRESH_BINARY": cv2.THRESH_BINARY,
"THRESH_BINARY_INV": cv2.THRESH_BINARY_INV
}
self.adaptive_method = ZLabeledComboBox(self.vpane, "AdaptiveMethod")
self.adaptive_method.add_items(list(self.methods.keys()))
self.adaptive_method.add_activated_callback(
self.adaptive_method_activated)
self.threshold_type = ZLabeledComboBox(self.vpane, "ThresholdType")
self.threshold_type.add_items(list(self.types.keys()))
self.threshold_type.add_activated_callback(
self.threshold_type_activated)
self.block_size_slider = ZLabeledSlider(self.vpane,
"BlockSize",
take_odd=True,
minimum=3,
maximum=43,
value=self.block_size,
fixed_width=200)
self.block_size_slider.add_value_changed_callback(
self.block_size_changed)
self.vpane.add(self.adaptive_method)
self.vpane.add(self.threshold_type)
self.vpane.add(self.block_size_slider)
self.threshold1 = 50
self.threshold2 = 100
self.threshold1_slider = ZLabeledSlider(self.vpane,
"Threshold1",
take_odd=True,
minimum=0,
maximum=300,
value=self.threshold1)
self.threshold1_slider.add_value_changed_callback(
self.slider1_value_changed)
self.threshold2_slider = ZLabeledSlider(self.vpane,
"Threshold2",
take_odd=True,
minimum=0,
maximum=300,
value=self.threshold2)
self.threshold2_slider.add_value_changed_callback(
self.slider2_value_changed)
self.vpane.add(self.threshold1_slider)
self.vpane.add(self.threshold2_slider)
self.set_right_dock(self.vpane)
def file_open(self):
options = QFileDialog.Options()
filename, _ = QFileDialog.getOpenFileName(
self,
"FileOpenDialog",
"",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)",
options=options)
if filename:
self.load_file(filename)
def load_file(self, filename):
self.source_image_view.load(filename)
self.detected_image_view.load(filename)
self.detected_image_view.detect(self.adaptive_method_id,
self.threshold_type_id,
self.block_size, self.threshold1,
self.threshold2)
self.set_filenamed_title(filename)
def block_size_changed(self, value):
self.block_size = int(value)
if self.block_size % 2 == 0:
# Block size should be odd.
self.block_size = int((self.block_size * 2) / 2 + 1)
#print("block_size_changed:{}".format(block_size))
self.detected_image_view.detect(self.adaptive_method_id,
self.threshold_type_id,
self.block_size, self.threshold1,
self.threshold2)
def adaptive_method_activated(self, text):
self.adaptive_method_id = self.methods[text]
#print("adaptive_method_activated:{}{}".format(text, self.adaptive_method_id))
self.detected_image_view.detect(self.adaptive_method_id,
self.threshold_type_id,
self.block_size, self.threshold1,
self.threshold2)
def threshold_type_activated(self, text):
self.threshold_type_id = self.types[text]
#print("threshold_type_activated:{}{}".format(text, self.threshold_type_id))
self.detected_image_view.detect(self.adaptive_method_id,
self.threshold_type_id,
self.block_size, self.threshold1,
self.threshold2)
def slider1_value_changed(self, value):
self.threshold1 = int(value)
#print("slider1_value_changed:{}".format(value))
self.detected_image_view.detect(self.adaptive_method_id,
self.threshold_type_id,
self.block_size, self.threshold1,
self.threshold2)
def slider2_value_changed(self, value):
self.threshold2 = int(value)
#print("slider2_value_changed:{}".format(value))
self.detected_image_view.detect(self.adaptive_method_id,
self.threshold_type_id,
self.block_size, self.threshold1,
self.threshold2)
class MainView(ZApplicationView):
# Inner classes
#--------------------------------------------
class SourceImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
self.load_opencv_image(filename)
self.update()
class BinarizedImageView(ZOpenCVImageView):
def __init__(self, parent):
ZOpenCVImageView.__init__(self, parent)
def load(self, filename):
image = self.load_opencv_image(filename)
self.source_image = image.copy()
#self.gray_image = cv2.cvtColor(self.source_image, cv2.COLOR_RGB2GRAY)
self.gray_image = cv2.cvtColor(self.source_image,
cv2.COLOR_BGR2GRAY)
def binarize(self, adaptive_method_id, threshold_type_id, block_size):
MAX_PIXEL_VALUE = 255
C = 9.0
self.binarizered_image = cv2.adaptiveThreshold(
self.gray_image, MAX_PIXEL_VALUE, adaptive_method_id,
threshold_type_id, block_size, C)
#self.set_opencv_image(binarizered_image)
self.update()
def detect_connected_components(self):
target = self.source_image.copy()
nlabels, labels, stats, centroids = cv2.connectedComponentsWithStats(
self.binarizered_image, 4)
#stats = cv2.connectedComponentsWithStats(self.gray_image)
print("labels:{}".format(nlabels))
ih, iw, c = target.shape
print("target:width={} height={} channels={}".format(iw, ih, c))
for i in range(nlabels):
x, y, w, h, a = stats[i]
print("x,y,w,h, a={},{},{},{}, {}".format(x, y, w, h, a))
cv2.rectangle(target, (x, y), (x + w, y + h), (0, 0, 255), 3)
self.set_opencv_image(target)
self.update()
#--------------------------------------------
# MainView Constructor
def __init__(self, title, x, y, width, height):
super(MainView, self).__init__(title, x, y, width, height)
filename = "../images/Shapes.png"
# 1 Create first imageview.
self.source_image_view = self.SourceImageView(self)
# 2 Create second imageview.
self.binarized_image_view = self.BinarizedImageView(self)
# 3 Load the file
self.load_file(filename)
# 4 Add two image views to a main_layout of this main view.
self.add(self.source_image_view)
self.add(self.binarized_image_view)
self.show()
def add_control_pane(self, fixed_width=220):
# Control pane widget
self.block_size = 11
self.vpane = ZVerticalPane(self, fixed_width)
self.adaptive_method_id = 0
self.threshold_type_id = 0
self.methods = {
"ADAPTIVE_THRESH_MEAN_C": cv2.ADAPTIVE_THRESH_MEAN_C,
"ADAPTIVE_THRESH_GAUSSIAN_C": cv2.ADAPTIVE_THRESH_GAUSSIAN_C
}
self.types = {
"THRESH_BINARY": cv2.THRESH_BINARY,
"THRESH_BINARY_INV": cv2.THRESH_BINARY_INV
}
self.adaptive_method = ZLabeledComboBox(self.vpane, "AdaptiveMethod")
self.adaptive_method.add_items(list(self.methods.keys()))
self.adaptive_method.add_activated_callback(
self.adaptive_method_activated)
self.threshold_type = ZLabeledComboBox(self.vpane, "ThresholdType")
self.threshold_type.add_items(list(self.types.keys()))
self.threshold_type.add_activated_callback(
self.threshold_type_activated)
self.labeled_slider = ZLabeledSlider(self.vpane,
"BlockSize",
take_odd=True,
minimum=3,
maximum=43,
value=self.block_size,
fixed_width=200)
self.labeled_slider.add_value_changed_callback(
self.slider_value_changed)
self.vpane.add(self.adaptive_method)
self.vpane.add(self.threshold_type)
self.vpane.add(self.labeled_slider)
self.set_right_dock(self.vpane)
def file_open(self):
options = QFileDialog.Options()
filename, _ = QFileDialog.getOpenFileName(
self,
"FileOpenDialog",
"",
"All Files (*);;Image Files (*.png;*jpg;*.jpeg)",
options=options)
if filename:
self.load_file(filename)
def load_file(self, filename):
self.source_image_view.load(filename)
self.binarized_image_view.load(filename)
self.binarized_image_view.binarize(self.adaptive_method_id,
self.threshold_type_id,
self.block_size)
self.binarized_image_view.detect_connected_components()
self.set_filenamed_title(filename)
def slider_value_changed(self, value):
self.block_size = int(value)
if self.block_size % 2 == 0:
self.block_size = int((self.block_size * 2) / 2 + 1)
# Block size should be odd.
print("slider_value_changed:{}".format(self.block_size))
self.binarized_image_view.binarize(self.adaptive_method_id,
self.threshold_type_id,
self.block_size)
self.binarized_image_view.detect_connected_components()
def adaptive_method_activated(self, text):
print("adaptive_method_activated:{}".format(text))
self.adaptive_method_id = self.methods[text]
self.binarized_image_view.binarize(self.adaptive_method_id,
self.threshold_type_id,
self.block_size)
self.binarized_image_view.detect_connected_components()
def threshold_type_activated(self, text):
print("threshold_type_activated:{}".format(text))
self.threshold_type_id = self.types[text]
self.binarized_image_view.binarize(self.adaptive_method_id,
self.threshold_type_id,
self.block_size)
self.binarized_image_view.detect_connected_components()
