def demo_mask():
# Read in a thresholded image
#warped = mpimg.imread('warped_example.jpg')
image = mpimg.imread('test_images/test1.jpg')
undist = undistort(image)
warped, M, M_inverse = warp(undist)
binary_warped = threshold_image(warped)
#plt.imshow(binary_warped)
#plt.show()
#warped = mpimg.imread('output_images/straight_lines1_warped.jpg')
# window settings
convolution = createConvolution()
lane = convolution.find_lane(binary_warped)
window_width = convolution.window_width
window_height = convolution.window_height
# If we found any window centers
if lane is not None:
# Points used to draw all the left and right windows
l_points = np.zeros_like(binary_warped)
r_points = np.zeros_like(binary_warped)
# Go through each level and draw the windows
for level in range(0, len(lane.leftx)):
# Window_mask is a function to draw window areas
l_mask = window_mask(window_width, window_height, binary_warped,
lane.leftx[level], level)
r_mask = window_mask(window_width, window_height, binary_warped,
lane.rightx[level], level)
# Add graphic points from window mask here to total pixels found
l_points[(l_points == 255) | ((l_mask == 1))] = 255
r_points[(r_points == 255) | ((r_mask == 1))] = 255
# Draw the results
template = np.array(
r_points + l_points,
np.uint8) # add both left and right window pixels together
zero_channel = np.zeros_like(template) # create a zero color channel
template = np.array(cv2.merge((zero_channel, template, zero_channel)),
np.uint8) # make window pixels green
warpage = np.array(
cv2.merge((binary_warped, binary_warped, binary_warped)),
np.uint8) # making the original road pixels 3 color channels
output = cv2.addWeighted(
warpage, 1, template, 0.5,
0.0) # overlay the orignal road image with window results
# If no window centers found, just display orginal road image
else:
output = np.array(
cv2.merge((binary_warped, binary_warped, binary_warped)), np.uint8)
# Display the final results
side_by_side_plot(binary_warped,
output,
im1_title="Binary Warped",
im2_title="Conv Search",
im1_cmap='gray',
im2_cmap='gray')
def demo():
image = mpimg.imread('test_images/straight_lines2.jpg')
undist_image = undistort(image)
warped, M, M_inverse = warp(undist_image)
side_by_side_plot(image,
warped,
im1_title="Image",
im2_title="Warped Image")
def demo_spatial_binning():
# Read a color image
img = read_image("test_images/000275.png")
img_small = cv2.resize(img, (32, 32))
side_by_side_plot(im1=img,
im2=img_small,
im1_title="Example Image",
im2_title="Spatial Binning",
fontsize=16)
#demo_spatial_binning()
def demo_prediction2():
image = read_image("test_images/test1.jpg")
model = create_model((260, 1280, 3))
model.load_weights("model_-11-0.01.h5")
hot_windows = search_cars(model, image)
heatmap = heatmap_filter(image, hot_windows, 3)
# Find final boxes from heatmap using label function
labels = label(heatmap)
draw_img = draw_labeled_bboxes(np.copy(image), labels)
side_by_side_plot(im1=image, im2=draw_img)
# Temporary fix - AttributeError: 'NoneType' object has no attribute 'TF_NewStatus
K.clear_session()
def demo():
vehicle_detection = VehicleDetection()
image = read_image('test_images/test1.jpg')
#image = read_image('test_images/screen2.png')
draw_image = vehicle_detection.detect(image)
side_by_side_plot(im1=image,
im2=draw_image,
im2_cmap='hot',
im1_title="Example Image",
im2_title="Bounding Boxes",
fontsize=16)
def demo_threshold_image():
image = mpimg.imread('test_images/straight_lines1.jpg')
undist = undistort(image)
warped, M, M_inverse = warp(undist)
binary_warped = threshold_image(warped)
side_by_side_plot(image,
binary_warped,
im1_title='Image',
im2_title='Binary Warped',
im2_cmap='gray')
#plt.imshow(binary_image, cmap = 'gray')
#plt.show()
#demo_threshold_image()
def demo_smallset():
cars, notcars = load_smallset()
data_info = data_look(cars, notcars)
print('Your function returned a count of',
data_info["n_cars"], ' cars and',
data_info["n_notcars"], ' non-cars')
print('of size: ',data_info["image_shape"], ' and data type:',
data_info["data_type"])
# Just for fun choose random car / not-car indices and plot example images
car_ind = np.random.randint(0, len(cars))
notcar_ind = np.random.randint(0, len(notcars))
# Read in car / not-car images
car_image = mpimg.imread(cars[car_ind])
notcar_image = mpimg.imread(notcars[notcar_ind])
side_by_side_plot(im1=car_image, im2=notcar_image, im1_title="Example Car Image", im2_title="Example Not-car Image", fontsize=16)
def detect(self, rgb_image):
undist_image = undistort(rgb_image)
warped, M, M_inverse = warp(undist_image)
binary_warped = threshold_image(warped)
lane = None
if self.best_lane is not None:
lane = self.convolution.find_lane_with_hint(self.best_lane.midx(), binary_warped)
if lane is None:
lane = self.convolution.find_lane(binary_warped)
self.add_lane(lane)
lane_selected = None
if self.best_lane is not None:
lane_selected = self.best_lane
self.n_best_lane_used += 1
elif (lane is not None) and lane.good_confidence():
lane_selected = lane
self.n_lane_used += 1
else:
lane_selected = self.last_good_lane
self.n_last_good_lane_used += 1
if (lane is not None) and lane.good_confidence():
self.last_good_lane = lane
if lane_selected is not None:
left_curverad, right_curverad = self.measure_curvature(lane_selected)
center_offset = self.center_offset(lane_selected)
lane_drawn = self.convolution.draw_lane(lane_selected, M_inverse = M_inverse)
out_image = cv2.addWeighted(undist_image, 1, lane_drawn, 0.3, 0)
cv2.putText(out_image, 'Left, Right Curvature: {:.2f}m, {:.2f}m'.format(left_curverad, right_curverad),
(50, 50), cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 255, 255), 2)
cv2.putText(out_image, 'Center Lane Offset: {:.2f}m'.format(center_offset),
(50, 100), cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 255, 255), 2)
return out_image
else:
if lane is not None:
print(lane.confidence)
side_by_side_plot(undist_image, binary_warped)
self.n_no_lane_used += 1
return undist_image
def demo_prediction():
model = load_model("model_-14-0.04.h5")
cars, notcars = load_smallset()
# Just for fun choose random car / not-car indices and plot example images
car_ind = np.random.randint(0, len(cars))
notcar_ind = np.random.randint(0, len(notcars))
# Read in car / not-car images
car_image = read_image(cars[car_ind])
notcar_image = read_image(notcars[notcar_ind])
car_prediction = model.predict(np.reshape(car_image, (1, 64, 64, 3)))
notcar_prediction = model.predict(np.reshape(notcar_image, (1, 64, 64, 3)))
side_by_side_plot(im1=car_image,
im2=notcar_image,
im1_title="prediction: {}".format(car_prediction),
im2_title="prediction: {}".format(notcar_prediction),
fontsize=16)
# Temporary fix - AttributeError: 'NoneType' object has no attribute 'TF_NewStatus
K.clear_session()
def demo():
# Read in our vehicles and non-vehicles
cars, notcars = load_smallset()
# Generate a random index to look at a car image
ind = np.random.randint(0, len(cars))
# Read in the image
image = mpimg.imread(cars[ind])
image_YCrCb = convert_color(image, "YCrCb")
channel1 = image_YCrCb[:, :, 0]
# Define HOG parameters
orient = 9
pix_per_cell = 8
cell_per_block = 2
# Call our function with vis=True to see an image output
features, hog_image = channel_hog_features(channel1, orient,
pix_per_cell, cell_per_block,
vis=True, feature_vec=False)
side_by_side_plot(im1=image, im2=hog_image, im1_title="Example Car Image", im2_title="HOG Visualization", fontsize=16)
#demo()
def demo_undist():
image = mpimg.imread('test_images/straight_lines1.jpg')
#image = mpimg.imread('camera_cal/calibration1.jpg')
undist_image = undistort(image)
side_by_side_plot(im1=image, im2=undist_image, im1_title="Original Image", im2_title="Undistorted Image")