def main_flann_sift():
# Create randomized train and test sets
ImLo = ImageLoader()
ImLo.create_random_set(train_name="train.pickle", test_name="test.pickle")
# Load image set
ImLo.load_set("train.pickle")
# Load image
img = ImLo.load_image()
ref = ImLo.load_reference()
FEref = FeatureExtractor()
FEref.load_image(ref)
FEref.set_method("SIFT")
kp_ref = FEref.get_kp()
des_ref = FEref.get_des()
FE = FeatureExtractor()
FE.load_image(img)
FE.set_method("SIFT")
kp = FE.get_kp()
des = FE.get_des()
# FLANN parameters
FLANN_INDEX_KDTREE = 1
index_params = dict(algorithm=FLANN_INDEX_KDTREE, trees=5)
search_params = dict(checks=50) # or pass empty dictionary
flann = cv.FlannBasedMatcher(index_params, search_params)
matches = flann.knnMatch(des_ref, des, k=2)
# Need to draw only good matches, so create a mask
matchesMask = [[0, 0] for i in range(len(matches))]
# ratio test as per Lowe's paper
for i, (m, n) in enumerate(matches):
if m.distance < 0.7 * n.distance:
matchesMask[i] = [1, 0]
draw_params = dict(matchColor=(0, 255, 0),
singlePointColor=(255, 0, 0),
matchesMask=matchesMask,
flags=cv.DrawMatchesFlags_DEFAULT)
img3 = cv.drawMatchesKnn(ref, kp_ref, img, kp, matches, None,
**draw_params)
cv.imshow("matches", img3)
cv.waitKey()
def main_bf_sift():
# Create randomized train and test sets
ImLo = ImageLoader()
ImLo.create_random_set(train_name="train.pickle", test_name="test.pickle")
# Load image set
ImLo.load_set("train.pickle")
# Load image
img = ImLo.load_image()
ref = ImLo.load_reference()
FEref = FeatureExtractor()
FEref.load_image(ref)
FEref.set_method("SIFT")
kp_ref = FEref.get_kp()
des_ref = FEref.get_des()
FE = FeatureExtractor()
FE.load_image(img)
FE.set_method("SIFT")
kp = FE.get_kp()
des = FE.get_des()
# BFMatcher with default params
bf = cv.BFMatcher()
matches = bf.knnMatch(des_ref, des, k=2)
# Apply ratio test
good = []
for m, n in matches:
if m.distance < 0.75 * n.distance:
good.append([m])
print(len(good))
# Draw first 10 matches.
img3 = cv.drawMatchesKnn(ref,
kp_ref,
img,
kp,
good,
None,
flags=cv.DrawMatchesFlags_NOT_DRAW_SINGLE_POINTS)
cv.imshow("matches", img3)
cv.waitKey()
def main_bf_orb():
# Create randomized train and test sets
ImLo = ImageLoader()
ImLo.create_random_set(train_name="train.pickle", test_name="test.pickle")
# Load image set
ImLo.load_set("train.pickle")
# Load image
img = ImLo.load_image()
ref = ImLo.load_reference()
FEref = FeatureExtractor()
FEref.load_image(ref)
FEref.set_method("ORB")
kp_ref = FEref.get_kp()
des_ref = FEref.get_des()
FE = FeatureExtractor()
FE.load_image(img)
FE.set_method("ORB")
kp = FE.get_kp()
des = FE.get_des()
BF = cv.BFMatcher(cv.NORM_HAMMING, crossCheck=True)
matches = BF.match(des_ref, des)
matches = sorted(matches, key=lambda x: x.distance)
print(matches)
print(type(matches))
# Draw first 10 matches.
img3 = cv.drawMatches(ref,
kp_ref,
img,
kp,
matches[:10],
None,
flags=cv.DrawMatchesFlags_NOT_DRAW_SINGLE_POINTS)
cv.imshow("matches", img3)
cv.waitKey()
def main(method=1,
sample_size=50,
rows=8,
cols=8,
ratio_test=0.60,
min_matches=2):
"""
:param method: 1 -> Manually count the True Positive and False Positive Regions of Interest on each image.
Used for measuring the TP and FP rate.
2 -> Gather statistical data on the cost.
3 -> Measure the compute time.
:param sample_size: The number of images to be used.
:param rows: The image is divided into this many rows for RoI creation. See the method section of the report.
:param cols: The image is divided into this many columns for RoI creation. See the method section of the report.
:param ratio_test: The ratio (between 0 and 1) used in Lowe's ratio test.
Lower ratio only leaves the better quality matches.
:param min_matches: Minimum number of good matches (i.e. passed Lowe's test) required in a box to be designated as RoI.
:return:
"""
# Create randomized train and test sets
ImLo = ImageLoader()
ImLo.create_random_set(train_name="train.pickle", test_name="test.pickle")
# Load image set
ImLo.load_set("train.pickle")
# Load reference
ref = ImLo.load_reference("reference_checker_large.png")
FE = FeatureExtractor()
FE.load_image(ref)
FE.set_method("SIFT")
des_ref = FE.get_des()
if method == 1:
roi_checker(rows, cols, ratio_test, min_matches, sample_size, ImLo, FE,
des_ref)
elif method == 2:
cost_checker(rows, cols, ratio_test, min_matches, sample_size, ImLo,
FE, des_ref)
elif method == 3:
compute_checker(rows, cols, ratio_test, min_matches, sample_size, ImLo,
FE, des_ref)
def main_full_side(rows=8, cols=8, ratio_test=0.65, min_matches=10):
# Create randomized train and test sets
ImLo = ImageLoader()
ImLo.create_random_set(train_name="train.pickle", test_name="test.pickle")
# Load image set
ImLo.load_set("train.pickle")
FE = FeatureExtractor()
# Load reference
ref = ImLo.load_reference("reference_bot.png")
FE.load_image(ref)
FE.set_method("SIFT")
kp_ref_bot = FE.get_kp()
des_ref_bot = FE.get_des()
ref = ImLo.load_reference("reference_left.png")
FE.load_image(ref)
FE.set_method("SIFT")
kp_ref_left = FE.get_kp()
des_ref_left = FE.get_des()
total_good_corners = 0
total_tests = 0
while True:
# Load image
img = ImLo.load_image()
if img is None or total_tests >= 20:
print(total_tests, total_good_corners)
print("Detection rate:", total_good_corners / (total_tests * 4))
break
rois = []
stitched = np.zeros(img.shape, np.uint8)
y_corner_min = img.shape[0]
y_corner_max = 0
x_corner_min = img.shape[1]
x_corner_max = 0
for row in range(0, rows):
for col in range(0, cols):
y_min = int(row * img.shape[0] / rows)
y_max = int(row * img.shape[0] / rows + img.shape[0] / rows)
x_min = int(col * img.shape[1] / cols)
x_max = int(col * img.shape[1] / cols + img.shape[1] / cols)
roi = img[y_min:y_max, x_min:x_max]
# cv.imshow("roi", roi)
# cv.waitKey()
FE.load_image(roi)
FE.set_method("SIFT")
kp = FE.get_kp()
des = FE.get_des()
if kp is not None:
if len(kp) >= 2:
FLANN_INDEX_KDTREE = 1
index_params = dict(algorithm=FLANN_INDEX_KDTREE,
trees=5)
search_params = dict(
checks=50) # or pass empty dictionary
flann = cv.FlannBasedMatcher(index_params,
search_params)
matches_bot = flann.knnMatch(des_ref_bot, des, k=2)
matches_left = flann.knnMatch(des_ref_left, des, k=2)
# Apply ratio test
good = []
for m, n in matches_bot:
if m.distance < ratio_test * n.distance:
good.append(m)
for m, n in matches_left:
if m.distance < ratio_test * n.distance:
good.append(m)
print(len(good))
if len(good) >= min_matches:
pts = np.int32([kp[m.trainIdx].pt for m in good])
important_roi = False
for pt in pts:
# Elso x, masodik y, 0,0 bal alul
if pt[0] + x_min < x_corner_min:
x_corner_min = pt[0] + x_min
important_roi = True
if pt[0] + x_min > x_corner_max:
x_corner_max = pt[0] + x_min
important_roi = True
if pt[1] + y_min < y_corner_min:
y_corner_min = pt[1] + y_min
important_roi = True
if pt[1] + y_min > y_corner_max:
y_corner_max = pt[1] + y_min
important_roi = True
if important_roi:
rois.append(((y_min, y_max), (x_min, x_max)))
stitched[y_min:y_max, x_min:x_max] = roi
if len(rois) > 0:
cv.imshow("done", stitched)
cv.circle(img, (x_corner_min, y_corner_min),
radius=4,
color=(0, 0, 255),
thickness=-1)
cv.circle(img, (x_corner_min, y_corner_max),
radius=4,
color=(0, 0, 255),
thickness=-1)
cv.circle(img, (x_corner_max, y_corner_max),
radius=4,
color=(0, 0, 255),
thickness=-1)
cv.circle(img, (x_corner_max, y_corner_min),
radius=4,
color=(0, 0, 255),
thickness=-1)
cv.imshow("rect", img)
cv.waitKey()
print(x_corner_min, y_corner_min, x_corner_max, y_corner_max)
total_good_corners += int(input("How many good corners? "))
total_tests += 1
def find_logo_in_roi(rows=8, cols=8):
# Create randomized train and test sets
ImLo = ImageLoader()
ImLo.create_random_set(train_name="train.pickle", test_name="test.pickle")
# Load image set
ImLo.load_set("train.pickle")
# Load image
img = ImLo.load_image()
ref = ImLo.load_reference("reference_checker_large.png")
FE = FeatureExtractor()
FE.load_image(ref)
FE.set_method("SIFT")
kp_ref = FE.get_kp()
des_ref = FE.get_des()
rois = []
stitched = np.zeros(img.shape, np.uint8)
y_corner_min = img.shape[0]
y_corner_max = 0
x_corner_min = img.shape[1]
x_corner_max = 0
for row in range(0, rows):
for col in range(0, cols):
y_min = int(row * img.shape[0] / rows)
y_max = int(row * img.shape[0] / rows + img.shape[0] / rows)
x_min = int(col * img.shape[1] / cols)
x_max = int(col * img.shape[1] / cols + img.shape[1] / cols)
roi = img[y_min:y_max, x_min:x_max]
# cv.imshow("roi", roi)
# cv.waitKey()
FE.load_image(roi)
FE.set_method("SIFT")
kp = FE.get_kp()
des = FE.get_des()
if kp is not None:
if len(kp) >= 2:
print(len(kp))
FLANN_INDEX_KDTREE = 1
index_params = dict(algorithm=FLANN_INDEX_KDTREE, trees=5)
search_params = dict(checks=50) # or pass empty dictionary
flann = cv.FlannBasedMatcher(index_params, search_params)
matches = flann.knnMatch(des_ref, des, k=2)
# Apply ratio test
good = []
for m, n in matches:
if m.distance < 0.7 * n.distance:
good.append(m)
if len(good) >= 4:
print(
"asd",
np.float32([kp[m.trainIdx].pt
for m in good]).reshape(-1, 1, 2))
print(np.float32([kp[m.trainIdx].pt for m in good]))
pts = np.int32([kp[m.trainIdx].pt for m in good])
for pt in pts:
# Elso x, masodik y, 0,0 bal alul
if pt[0] + x_min < x_corner_min:
x_corner_min = pt[0] + x_min
if pt[0] + x_min > x_corner_max:
x_corner_max = pt[0] + x_min
if pt[1] + y_min < y_corner_min:
y_corner_min = pt[1] + y_min
if pt[1] + y_min > y_corner_max:
y_corner_max = pt[1] + y_min
rois.append(((y_min, y_max), (x_min, x_max)))
img3 = cv.drawMatches(
ref,
kp_ref,
roi,
kp,
good,
None,
matchColor=(0, 0, 255),
flags=cv.DRAW_MATCHES_FLAGS_NOT_DRAW_SINGLE_POINTS)
# cv.imshow("matches", img3)
# cv.waitKey()
stitched[y_min:y_max, x_min:x_max] = roi
cv.imshow("done", stitched)
cv.circle(img, (x_corner_min, y_corner_min),
radius=4,
color=(0, 0, 255),
thickness=-1)
cv.circle(img, (x_corner_min, y_corner_max),
radius=4,
color=(0, 0, 255),
thickness=-1)
cv.circle(img, (x_corner_max, y_corner_max),
radius=4,
color=(0, 0, 255),
thickness=-1)
cv.circle(img, (x_corner_max, y_corner_min),
radius=4,
color=(0, 0, 255),
thickness=-1)
cv.imshow("rect", img)
print(x_corner_min, y_corner_min, x_corner_max, y_corner_max)
cv.waitKey()
def AIIR_search():
# Create randomized train and test sets
ImLo = ImageLoader()
ImLo.create_random_set(train_name="train.pickle", test_name="test.pickle")
# Load image set
ImLo.load_set("train.pickle")
# Load image
img = ImLo.load_image()
ref = ImLo.load_reference("reference_logo.png")
FEref = FeatureExtractor()
FEref.load_image(ref)
FEref.set_method("SIFT")
kp_ref = FEref.get_kp()
des_ref = FEref.get_des()
FE = FeatureExtractor()
FE.load_image(img)
FE.set_method("SIFT")
kp = FE.get_kp()
des = FE.get_des()
# img = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
# ref = cv.cvtColor(ref, cv.COLOR_BGR2GRAY)
# FLANN parameters
FLANN_INDEX_KDTREE = 1
index_params = dict(algorithm=FLANN_INDEX_KDTREE, trees=5)
search_params = dict(checks=50) # or pass empty dictionary
flann = cv.FlannBasedMatcher(index_params, search_params)
matches = flann.knnMatch(des_ref, des, k=2)
# Apply ratio test
good = []
for m, n in matches:
if m.distance < 0.75 * n.distance:
good.append(m)
print(len(good))
MIN_MATCH_COUNT = 5
if len(good) > MIN_MATCH_COUNT:
src_pts = np.float32([kp_ref[m.queryIdx].pt
for m in good]).reshape(-1, 1, 2)
dst_pts = np.float32([kp[m.trainIdx].pt
for m in good]).reshape(-1, 1, 2)
M, mask = cv.findHomography(src_pts, dst_pts, cv.LMEDS)
matchesMask = mask.ravel().tolist()
h, w, d = img.shape
pts = np.float32([[0, 0], [0, h - 1], [w - 1, h - 1],
[w - 1, 0]]).reshape(-1, 1, 2)
dst = cv.perspectiveTransform(pts, M)
img = cv.polylines(img, [np.int32(dst)], True, [0, 0, 255], 3,
cv.LINE_AA)
else:
print("Not enough matches are found - {}/{}".format(
len(good), MIN_MATCH_COUNT))
matchesMask = None
draw_params = dict(
matchColor=(0, 255, 0), # draw matches in green color
singlePointColor=None,
matchesMask=matchesMask, # draw only inliers
flags=2)
img3 = cv.drawMatches(ref, kp_ref, img, kp, good, None, **draw_params)
cv.imshow("matches", img3)
cv.waitKey()
rows = 8
cols = 8
if __name__ == "__main__":
# Create randomized train and test sets
ImLo = ImageLoader()
ImLo.create_random_set(train_name="train.pickle", test_name="test.pickle")
# Load reference
ref = ImLo.load_reference("reference_checker_large.png")
FE = FeatureExtractor()
FE.load_image(ref)
FE.set_method("SIFT")
des_ref = FE.get_des()
total_tests = 0
profiler = cProfile.Profile()
profiler.enable()
while True:
# Load image
img = ImLo.load_image()
if img is None or total_tests >= 50:
print(
"total tests:",
total_tests,
)
break
