psoubrie
parent
2bb6a15180
commit
2741895bad
299
img2xlsx.ipynb
299
img2xlsx.ipynb
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@ -2,7 +2,7 @@
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"cells": [
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"cells": [
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{
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{
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"cell_type": "code",
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"cell_type": "code",
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"execution_count": 1,
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"execution_count": 2,
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"metadata": {
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"metadata": {
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"metadata": {}
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"metadata": {}
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},
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},
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@ -28,7 +28,7 @@
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},
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},
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{
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{
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"cell_type": "code",
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"cell_type": "code",
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"execution_count": 2,
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"execution_count": 3,
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"metadata": {
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"metadata": {
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"metadata": {}
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"metadata": {}
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},
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},
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@ -69,7 +69,7 @@
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},
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},
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{
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{
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"cell_type": "code",
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"cell_type": "code",
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"execution_count": 3,
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"execution_count": 4,
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"metadata": {
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"metadata": {
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"metadata": {}
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"metadata": {}
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},
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},
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@ -115,7 +115,7 @@
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},
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},
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{
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{
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"cell_type": "code",
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"cell_type": "code",
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"execution_count": 4,
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"execution_count": 5,
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"metadata": {
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"metadata": {
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"metadata": {}
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"metadata": {}
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},
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},
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@ -125,34 +125,273 @@
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"output_type": "stream",
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"output_type": "stream",
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"text": [
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"text": [
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|
"index 0 is out of bounds for axis 1 with size 0\n",
|
||||||
|
"index 0 is out of bounds for axis 1 with size 0\n",
|
||||||
|
"index 0 is out of bounds for axis 1 with size 0\n",
|
||||||
|
"index 0 is out of bounds for axis 1 with size 0\n",
|
||||||
|
"index 0 is out of bounds for axis 1 with size 0\n",
|
||||||
|
"index 0 is out of bounds for axis 1 with size 0\n",
|
||||||
|
"index 0 is out of bounds for axis 1 with size 0\n",
|
||||||
|
"index 0 is out of bounds for axis 1 with size 0\n"
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"ename": "KeyboardInterrupt",
|
||||||
|
"evalue": "",
|
||||||
|
"output_type": "error",
|
||||||
|
"traceback": [
|
||||||
|
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
|
||||||
|
"\u001b[1;31mKeyboardInterrupt\u001b[0m Traceback (most recent call last)",
|
||||||
|
"Cell \u001b[1;32mIn[5], line 24\u001b[0m\n\u001b[0;32m 22\u001b[0m image_path \u001b[38;5;241m=\u001b[39m os\u001b[38;5;241m.\u001b[39mpath\u001b[38;5;241m.\u001b[39mjoin(folder, image_name)\n\u001b[0;32m 23\u001b[0m image \u001b[38;5;241m=\u001b[39m cv2\u001b[38;5;241m.\u001b[39mimread(image_path)\n\u001b[1;32m---> 24\u001b[0m sheared_image \u001b[38;5;241m=\u001b[39m \u001b[43mshear_img\u001b[49m\u001b[43m(\u001b[49m\u001b[43mimage\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m 26\u001b[0m \u001b[38;5;28;01mfor\u001b[39;00m idx, region \u001b[38;5;129;01min\u001b[39;00m \u001b[38;5;28menumerate\u001b[39m(regions):\n\u001b[0;32m 27\u001b[0m target_path \u001b[38;5;241m=\u001b[39m os\u001b[38;5;241m.\u001b[39mpath\u001b[38;5;241m.\u001b[39mjoin(cropped_folder, \u001b[38;5;124mf\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;132;01m{\u001b[39;00mimage_name[:\u001b[38;5;241m-\u001b[39m\u001b[38;5;241m4\u001b[39m]\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m_\u001b[39m\u001b[38;5;132;01m{\u001b[39;00midx\u001b[38;5;241m+\u001b[39m\u001b[38;5;241m1\u001b[39m\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m.jpg\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n",
|
||||||
|
"Cell \u001b[1;32mIn[2], line 11\u001b[0m, in \u001b[0;36mshear_img\u001b[1;34m(image)\u001b[0m\n\u001b[0;32m 9\u001b[0m M \u001b[38;5;241m=\u001b[39m np\u001b[38;5;241m.\u001b[39mfloat32([[\u001b[38;5;241m1\u001b[39m, \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m0.22\u001b[39m, \u001b[38;5;241m0\u001b[39m], [\u001b[38;5;241m0\u001b[39m, \u001b[38;5;241m1\u001b[39m, \u001b[38;5;241m0\u001b[39m], [\u001b[38;5;241m0\u001b[39m, \u001b[38;5;241m0\u001b[39m, \u001b[38;5;241m1\u001b[39m]])\n\u001b[0;32m 10\u001b[0m sheared_img \u001b[38;5;241m=\u001b[39m cv2\u001b[38;5;241m.\u001b[39mwarpPerspective(image, M, (\u001b[38;5;28mint\u001b[39m(cols \u001b[38;5;241m*\u001b[39m \u001b[38;5;241m1.5\u001b[39m), \u001b[38;5;28mint\u001b[39m(rows \u001b[38;5;241m*\u001b[39m \u001b[38;5;241m1.5\u001b[39m)))\n\u001b[1;32m---> 11\u001b[0m \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[43mcv2\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mflip\u001b[49m\u001b[43m(\u001b[49m\u001b[43msheared_img\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m1\u001b[39;49m\u001b[43m)\u001b[49m\n",
|
||||||
|
"\u001b[1;31mKeyboardInterrupt\u001b[0m: "
|
||||||
]
|
]
|
||||||
}
|
}
|
||||||
],
|
],
|
||||||
"source": [
|
"source": [
|
||||||
"folder = \"../../../Downloads/wetransfer_metingen-8-04-tot-15-40-5min_2024-04-15_0905/metingen 8-04 tot 15-40 (5min)/\"\n",
|
"folder = \"./wetransfer_metingen-16-04-1200-1300_2024-04-16_1102/metingen 16-04 (1200-1300)/\"\n",
|
||||||
"images = [f for f in os.listdir(folder) if f.endswith(\".jpg\")]\n",
|
"images = [f for f in os.listdir(folder) if f.endswith(\".jpg\")]\n",
|
||||||
"cropped_folder = os.path.join(folder, \"cropped\")\n",
|
"cropped_folder = os.path.join(folder, \"cropped\")\n",
|
||||||
"os.makedirs(cropped_folder, exist_ok=True)\n",
|
"os.makedirs(cropped_folder, exist_ok=True)\n",
|
||||||
|
|
@ -193,7 +432,7 @@
|
||||||
},
|
},
|
||||||
{
|
{
|
||||||
"cell_type": "code",
|
"cell_type": "code",
|
||||||
"execution_count": 7,
|
"execution_count": null,
|
||||||
"metadata": {
|
"metadata": {
|
||||||
"metadata": {}
|
"metadata": {}
|
||||||
},
|
},
|
||||||
|
|
@ -204,7 +443,7 @@
|
||||||
},
|
},
|
||||||
{
|
{
|
||||||
"cell_type": "code",
|
"cell_type": "code",
|
||||||
"execution_count": 12,
|
"execution_count": null,
|
||||||
"metadata": {
|
"metadata": {
|
||||||
"metadata": {}
|
"metadata": {}
|
||||||
},
|
},
|
||||||
|
|
|
||||||
242
img2xlsx.py
242
img2xlsx.py
|
|
@ -1,35 +1,195 @@
|
||||||
from paddleocr import PaddleOCR
|
|
||||||
import os
|
import os
|
||||||
|
from datetime import datetime
|
||||||
|
|
||||||
import cv2
|
import cv2
|
||||||
|
import numpy as np
|
||||||
import xlsxwriter
|
import xlsxwriter
|
||||||
|
|
||||||
|
INTERVV = [0.09, 0.29, 0.5, 0.7, 0.91]
|
||||||
def ocr_image(image_path, ocr):
|
INTERVH = [0.33, 0.6]
|
||||||
result = ocr.ocr(image_path, cls=True)
|
|
||||||
return result[0][0][1][0]
|
|
||||||
|
|
||||||
|
|
||||||
def cropUI(image_path):
|
def draw_interactive_polygon(image_path):
|
||||||
# small opencv window to crop the image
|
# Initialize variables
|
||||||
|
points = []
|
||||||
|
moving = False
|
||||||
|
current_point_index = -1
|
||||||
|
|
||||||
|
original_image = cv2.flip(cv2.imread(image_path), 1)
|
||||||
|
image = original_image.copy()
|
||||||
|
window_name = "Polygon Drawer"
|
||||||
|
|
||||||
|
def interpolate(p1, p2, t):
|
||||||
|
"""Linearly interpolate between points p1 and p2 with parameter t"""
|
||||||
|
return [int((1 - t) * p1[0] + t * p2[0]), int((1 - t) * p1[1] + t * p2[1])]
|
||||||
|
|
||||||
|
def draw_additional_lines(temp_image, points):
|
||||||
|
"""Draw lines between interpolated points on the first, third, second, and fourth edges"""
|
||||||
|
if len(points) == 4:
|
||||||
|
# Intervals for the first-third edge connection
|
||||||
|
edge1_points = [interpolate(points[0], points[1], t) for t in INTERVV]
|
||||||
|
edge3_points = [interpolate(points[2], points[3], 1 - t) for t in INTERVV]
|
||||||
|
for p1, p3 in zip(edge1_points, edge3_points):
|
||||||
|
cv2.line(temp_image, tuple(p1), tuple(p3), (0, 255, 255), 1)
|
||||||
|
|
||||||
|
# Intervals for the second-fourth edge connection
|
||||||
|
edge2_points = [interpolate(points[1], points[2], t) for t in INTERVH]
|
||||||
|
edge4_points = [interpolate(points[3], points[0], 1 - t) for t in INTERVH]
|
||||||
|
for p2, p4 in zip(edge2_points, edge4_points):
|
||||||
|
cv2.line(temp_image, tuple(p2), tuple(p4), (255, 0, 255), 1)
|
||||||
|
return temp_image
|
||||||
|
|
||||||
|
def draw_polygon(temp_image, points, closed=False):
|
||||||
|
if len(points) > 1:
|
||||||
|
color = (0, 255, 0) if not closed else (255, 0, 0)
|
||||||
|
cv2.polylines(temp_image, [np.array(points, np.int32)], closed, color, 2)
|
||||||
|
for point in points:
|
||||||
|
cv2.circle(temp_image, tuple(point), 5, (0, 0, 255), -1)
|
||||||
|
temp_image = draw_additional_lines(temp_image, points)
|
||||||
|
return temp_image
|
||||||
|
|
||||||
|
def mouse_events(event, x, y, flags, param):
|
||||||
|
nonlocal points, moving, current_point_index, image, original_image
|
||||||
|
if event == cv2.EVENT_LBUTTONDOWN:
|
||||||
|
for i, point in enumerate(points):
|
||||||
|
if abs(x - point[0]) < 5 and abs(y - point[1]) < 5:
|
||||||
|
moving = True
|
||||||
|
current_point_index = i
|
||||||
|
return
|
||||||
|
if len(points) < 4:
|
||||||
|
points.append([x, y])
|
||||||
|
image = draw_polygon(
|
||||||
|
original_image.copy(), points, closed=(len(points) == 4)
|
||||||
|
)
|
||||||
|
|
||||||
|
elif event == cv2.EVENT_MOUSEMOVE:
|
||||||
|
if moving and current_point_index != -1:
|
||||||
|
points[current_point_index] = [x, y]
|
||||||
|
image = draw_polygon(
|
||||||
|
original_image.copy(), points, closed=(len(points) == 4)
|
||||||
|
)
|
||||||
|
|
||||||
|
elif event == cv2.EVENT_LBUTTONUP:
|
||||||
|
moving = False
|
||||||
|
current_point_index = -1
|
||||||
|
|
||||||
|
cv2.namedWindow(window_name)
|
||||||
|
cv2.setMouseCallback(window_name, mouse_events)
|
||||||
|
|
||||||
|
# Main loop
|
||||||
|
while True:
|
||||||
|
cv2.imshow(window_name, image)
|
||||||
|
key = cv2.waitKey(1) & 0xFF
|
||||||
|
if key == 13: # Enter key
|
||||||
|
cv2.destroyAllWindows()
|
||||||
|
return points # Return the coordinates when Enter is pressed
|
||||||
|
|
||||||
|
|
||||||
|
def warp_polygon(image_path, polygon_points):
|
||||||
|
"""Warps the quadrilateral defined by polygon_points into a rectangle."""
|
||||||
|
|
||||||
image = cv2.imread(image_path)
|
image = cv2.imread(image_path)
|
||||||
r = cv2.selectROI(image)
|
image = cv2.flip(image, 1)
|
||||||
cv2.destroyAllWindows()
|
|
||||||
|
|
||||||
return r
|
pts_src = np.array(polygon_points).astype(np.float32)
|
||||||
|
|
||||||
|
# Define points in destination (output rectangle) image
|
||||||
|
width = 200 # Width of the rectangle
|
||||||
|
height = 50 # Height of the rectangle
|
||||||
|
pts_dst = np.array(
|
||||||
|
[[0, 0], [width - 1, 0], [width - 1, height - 1], [0, height - 1]]
|
||||||
|
).astype(np.float32)
|
||||||
|
|
||||||
|
# Calculate the perspective transform matrix
|
||||||
|
matrix = cv2.getPerspectiveTransform(pts_src, pts_dst)
|
||||||
|
|
||||||
|
# Warp the image
|
||||||
|
warped_image = cv2.warpPerspective(image, matrix, (width, height))
|
||||||
|
return warped_image
|
||||||
|
|
||||||
|
|
||||||
def cropImage(image_path, r, flip, cropped_folder):
|
def extract_line_pixels(warped_image, intervalsV, intervalsH):
|
||||||
# crop the image and save it
|
"""Extracts pixel data along vertical and horizontal lines at given intervals."""
|
||||||
image = cv2.imread(image_path)
|
height, width, channels = warped_image.shape
|
||||||
cropped = image[int(r[1]) : int(r[1] + r[3]), int(r[0]) : int(r[0] + r[2])]
|
|
||||||
|
|
||||||
# save with new name
|
pixel_data = []
|
||||||
if flip == "y":
|
|
||||||
cropped = cv2.flip(cropped, 1)
|
|
||||||
|
|
||||||
# save in subfolder cropped
|
# Vertical lines
|
||||||
new_name = os.path.join(cropped_folder, image_path.split("/")[-1])
|
for i in intervalsV:
|
||||||
cv2.imwrite(new_name, cropped)
|
x_coord = int(width * i)
|
||||||
|
vertical_line = warped_image[:, x_coord, 1]
|
||||||
|
pixel_data.append(vertical_line)
|
||||||
|
|
||||||
|
# Horizontal lines
|
||||||
|
for i in intervalsH:
|
||||||
|
y_coord = int(height * i)
|
||||||
|
horizontal_line = warped_image[y_coord, :, 1]
|
||||||
|
pixel_data.append(horizontal_line)
|
||||||
|
|
||||||
|
return pixel_data
|
||||||
|
|
||||||
|
|
||||||
|
def peaks(data, boxes=2):
|
||||||
|
# split data in boxes
|
||||||
|
data = np.array_split(data, boxes)
|
||||||
|
|
||||||
|
# get the maximum value in each box
|
||||||
|
data = [np.max(d) for d in data]
|
||||||
|
data = [d > 150 for d in data]
|
||||||
|
return np.array(data).astype(int).tolist()
|
||||||
|
|
||||||
|
|
||||||
|
digits = {
|
||||||
|
0: [[1, 0, 1], [1, 1], [1, 1]],
|
||||||
|
1: [[0, 0, 0], [0, 1], [0, 1]],
|
||||||
|
2: [[1, 1, 1], [0, 1], [1, 0]],
|
||||||
|
3: [[1, 1, 1], [0, 1], [0, 1]],
|
||||||
|
4: [[0, 1, 0], [1, 1], [0, 1]],
|
||||||
|
5: [[1, 1, 1], [1, 0], [0, 1]],
|
||||||
|
6: [[1, 1, 1], [1, 0], [1, 1]],
|
||||||
|
7: [[1, 0, 0], [0, 1], [0, 1]],
|
||||||
|
8: [[1, 1, 1], [1, 1], [1, 1]],
|
||||||
|
9: [[1, 1, 1], [1, 1], [0, 1]],
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
def OCRdigit(vertical, horizontal1, horizontal2):
|
||||||
|
# get times it goes above 150, remove subsequent values
|
||||||
|
digit = [peaks(vertical, 3), peaks(horizontal1), peaks(horizontal2)]
|
||||||
|
digit = [key for key, value in digits.items() if value == digit]
|
||||||
|
return digit[0]
|
||||||
|
|
||||||
|
|
||||||
|
def OCRscreen(pixels_along_lines):
|
||||||
|
data = (
|
||||||
|
pixels_along_lines[:5]
|
||||||
|
+ [
|
||||||
|
pixels_along_lines[5][:40],
|
||||||
|
pixels_along_lines[5][40:80],
|
||||||
|
pixels_along_lines[5][80:120],
|
||||||
|
pixels_along_lines[5][120:160],
|
||||||
|
pixels_along_lines[5][160:],
|
||||||
|
]
|
||||||
|
+ [
|
||||||
|
pixels_along_lines[6][:40],
|
||||||
|
pixels_along_lines[6][40:80],
|
||||||
|
pixels_along_lines[6][80:120],
|
||||||
|
pixels_along_lines[6][120:160],
|
||||||
|
pixels_along_lines[6][160:],
|
||||||
|
]
|
||||||
|
)
|
||||||
|
|
||||||
|
text = ""
|
||||||
|
for i in range(5):
|
||||||
|
text += str(OCRdigit(data[i], data[i + 5], data[i + 10]))
|
||||||
|
return text
|
||||||
|
|
||||||
|
|
||||||
|
def writeDate(worksheet, row, column, date, format):
|
||||||
|
original_format = "%Y-%m-%d %H-%M-%S-%f"
|
||||||
|
parsed_datetime = datetime.strptime(date, original_format)
|
||||||
|
|
||||||
|
worksheet.write_datetime(row, column, parsed_datetime, format)
|
||||||
|
|
||||||
|
|
||||||
def data2excel(data):
|
def data2excel(data):
|
||||||
|
|
@ -38,11 +198,13 @@ def data2excel(data):
|
||||||
workbook = xlsxwriter.Workbook(fileName)
|
workbook = xlsxwriter.Workbook(fileName)
|
||||||
worksheet = workbook.add_worksheet()
|
worksheet = workbook.add_worksheet()
|
||||||
|
|
||||||
|
dateFormat = workbook.add_format({"num_format": "dd/mm/yy hh:mm:ss"})
|
||||||
|
|
||||||
# write the data
|
# write the data
|
||||||
row = 0
|
row = 0
|
||||||
for key, value in data.items():
|
for key, value in data.items():
|
||||||
date = key.split(" ", 1)[1][:-4]
|
date = key.split(" ", 1)[1][:-4]
|
||||||
worksheet.write(row, 0, date)
|
writeDate(worksheet, row, 0, date, dateFormat)
|
||||||
worksheet.write(row, 1, value)
|
worksheet.write(row, 1, value)
|
||||||
try:
|
try:
|
||||||
worksheet.write(row, 2, float(value[:6]))
|
worksheet.write(row, 2, float(value[:6]))
|
||||||
|
|
@ -54,43 +216,23 @@ def data2excel(data):
|
||||||
|
|
||||||
|
|
||||||
def main():
|
def main():
|
||||||
# ocr settings
|
folder = "./"
|
||||||
os.environ["KMP_DUPLICATE_LIB_OK"] = "TRUE"
|
images = [f for f in os.listdir(folder) if f.endswith(".jpg")]
|
||||||
ocr = PaddleOCR(use_angle_cls=True, lang="en")
|
|
||||||
|
|
||||||
# *** start GUIs ***
|
region = draw_interactive_polygon(folder + images[0])
|
||||||
images = [f for f in os.listdir(FOLDER) if f.endswith(".jpg")]
|
|
||||||
region = cropUI(os.path.join(FOLDER, images[0]))
|
|
||||||
|
|
||||||
flip = input("Do you want to flip the images horizontaly? (y/n): ")
|
|
||||||
|
|
||||||
cropped_folder = os.path.join(FOLDER, "cropped")
|
|
||||||
if not os.path.exists(cropped_folder):
|
|
||||||
os.makedirs(cropped_folder)
|
|
||||||
|
|
||||||
# *** start cropping ***
|
|
||||||
for image in images:
|
|
||||||
cropImage(os.path.join(FOLDER, image), region, flip, cropped_folder)
|
|
||||||
|
|
||||||
# *** start OCR ***
|
|
||||||
cropped_images = [f for f in os.listdir(cropped_folder) if f.endswith(".jpg")]
|
|
||||||
data = {}
|
data = {}
|
||||||
for image in cropped_images:
|
for image in images:
|
||||||
try:
|
try:
|
||||||
path = os.path.join(cropped_folder, image)
|
warped = warp_polygon(folder + image, region)
|
||||||
text = ocr_image(path, ocr)
|
pixels_along_lines = extract_line_pixels(warped, INTERVV, INTERVH)
|
||||||
except Exception as _:
|
data[image] = OCRscreen(pixels_along_lines)
|
||||||
print("Error in cropped image")
|
except Exception as e:
|
||||||
|
print(f"Error processing {image}: {e}")
|
||||||
continue
|
continue
|
||||||
|
|
||||||
data[image] = text
|
|
||||||
|
|
||||||
# *** save data in excel ***
|
|
||||||
data2excel(data)
|
data2excel(data)
|
||||||
|
|
||||||
print("All images cropped successfully")
|
|
||||||
|
|
||||||
|
|
||||||
if __name__ == "__main__":
|
if __name__ == "__main__":
|
||||||
FOLDER = "data/"
|
|
||||||
main()
|
main()
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,345 @@
|
||||||
|
{
|
||||||
|
"cells": [
|
||||||
|
{
|
||||||
|
"cell_type": "code",
|
||||||
|
"execution_count": 1,
|
||||||
|
"metadata": {
|
||||||
|
"metadata": {}
|
||||||
|
},
|
||||||
|
"outputs": [],
|
||||||
|
"source": [
|
||||||
|
"import cv2\n",
|
||||||
|
"import numpy as np\n",
|
||||||
|
"import os\n",
|
||||||
|
"\n",
|
||||||
|
"INTERVV = [0.09, 0.29, 0.5, 0.7, 0.91]\n",
|
||||||
|
"INTERVH = [0.33, 0.6]\n"
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"cell_type": "code",
|
||||||
|
"execution_count": 2,
|
||||||
|
"metadata": {
|
||||||
|
"metadata": {}
|
||||||
|
},
|
||||||
|
"outputs": [],
|
||||||
|
"source": [
|
||||||
|
"def draw_interactive_polygon(image_path):\n",
|
||||||
|
" # Initialize variables\n",
|
||||||
|
" points = []\n",
|
||||||
|
" moving = False\n",
|
||||||
|
" current_point_index = -1\n",
|
||||||
|
"\n",
|
||||||
|
" original_image = cv2.flip(cv2.imread(image_path), 1)\n",
|
||||||
|
" image = original_image.copy()\n",
|
||||||
|
" window_name = \"Polygon Drawer\"\n",
|
||||||
|
"\n",
|
||||||
|
" def interpolate(p1, p2, t):\n",
|
||||||
|
" \"\"\"Linearly interpolate between points p1 and p2 with parameter t\"\"\"\n",
|
||||||
|
" return [int((1 - t) * p1[0] + t * p2[0]), int((1 - t) * p1[1] + t * p2[1])]\n",
|
||||||
|
"\n",
|
||||||
|
" def draw_additional_lines(temp_image, points):\n",
|
||||||
|
" \"\"\"Draw lines between interpolated points on the first, third, second, and fourth edges\"\"\"\n",
|
||||||
|
" if len(points) == 4:\n",
|
||||||
|
" # Intervals for the first-third edge connection\n",
|
||||||
|
" edge1_points = [interpolate(points[0], points[1], t) for t in INTERVV]\n",
|
||||||
|
" edge3_points = [interpolate(points[2], points[3], 1 - t) for t in INTERVV]\n",
|
||||||
|
" for p1, p3 in zip(edge1_points, edge3_points):\n",
|
||||||
|
" cv2.line(temp_image, tuple(p1), tuple(p3), (0, 255, 255), 1)\n",
|
||||||
|
"\n",
|
||||||
|
" # Intervals for the second-fourth edge connection\n",
|
||||||
|
" edge2_points = [interpolate(points[1], points[2], t) for t in INTERVH]\n",
|
||||||
|
" edge4_points = [interpolate(points[3], points[0], 1 - t) for t in INTERVH]\n",
|
||||||
|
" for p2, p4 in zip(edge2_points, edge4_points):\n",
|
||||||
|
" cv2.line(temp_image, tuple(p2), tuple(p4), (255, 0, 255), 1)\n",
|
||||||
|
" return temp_image\n",
|
||||||
|
"\n",
|
||||||
|
" def draw_polygon(temp_image, points, closed=False):\n",
|
||||||
|
" if len(points) > 1:\n",
|
||||||
|
" color = (0, 255, 0) if not closed else (255, 0, 0)\n",
|
||||||
|
" cv2.polylines(temp_image, [np.array(points, np.int32)], closed, color, 2)\n",
|
||||||
|
" for point in points:\n",
|
||||||
|
" cv2.circle(temp_image, tuple(point), 5, (0, 0, 255), -1)\n",
|
||||||
|
" temp_image = draw_additional_lines(temp_image, points)\n",
|
||||||
|
" return temp_image\n",
|
||||||
|
"\n",
|
||||||
|
" def mouse_events(event, x, y, flags, param):\n",
|
||||||
|
" nonlocal points, moving, current_point_index, image, original_image\n",
|
||||||
|
" if event == cv2.EVENT_LBUTTONDOWN:\n",
|
||||||
|
" for i, point in enumerate(points):\n",
|
||||||
|
" if abs(x - point[0]) < 5 and abs(y - point[1]) < 5:\n",
|
||||||
|
" moving = True\n",
|
||||||
|
" current_point_index = i\n",
|
||||||
|
" return\n",
|
||||||
|
" if len(points) < 4:\n",
|
||||||
|
" points.append([x, y])\n",
|
||||||
|
" image = draw_polygon(\n",
|
||||||
|
" original_image.copy(), points, closed=(len(points) == 4)\n",
|
||||||
|
" )\n",
|
||||||
|
"\n",
|
||||||
|
" elif event == cv2.EVENT_MOUSEMOVE:\n",
|
||||||
|
" if moving and current_point_index != -1:\n",
|
||||||
|
" points[current_point_index] = [x, y]\n",
|
||||||
|
" image = draw_polygon(\n",
|
||||||
|
" original_image.copy(), points, closed=(len(points) == 4)\n",
|
||||||
|
" )\n",
|
||||||
|
"\n",
|
||||||
|
" elif event == cv2.EVENT_LBUTTONUP:\n",
|
||||||
|
" moving = False\n",
|
||||||
|
" current_point_index = -1\n",
|
||||||
|
"\n",
|
||||||
|
" cv2.namedWindow(window_name)\n",
|
||||||
|
" cv2.setMouseCallback(window_name, mouse_events)\n",
|
||||||
|
"\n",
|
||||||
|
" # Main loop\n",
|
||||||
|
" while True:\n",
|
||||||
|
" cv2.imshow(window_name, image)\n",
|
||||||
|
" key = cv2.waitKey(1) & 0xFF\n",
|
||||||
|
" if key == 13: # Enter key\n",
|
||||||
|
" cv2.destroyAllWindows()\n",
|
||||||
|
" return points # Return the coordinates when Enter is pressed\n"
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"cell_type": "code",
|
||||||
|
"execution_count": 3,
|
||||||
|
"metadata": {
|
||||||
|
"metadata": {}
|
||||||
|
},
|
||||||
|
"outputs": [],
|
||||||
|
"source": [
|
||||||
|
"def warp_polygon(image_path, polygon_points):\n",
|
||||||
|
" \"\"\"Warps the quadrilateral defined by polygon_points into a rectangle.\"\"\"\n",
|
||||||
|
"\n",
|
||||||
|
" image = cv2.imread(image_path)\n",
|
||||||
|
" image = cv2.flip(image, 1)\n",
|
||||||
|
"\n",
|
||||||
|
" pts_src = np.array(polygon_points).astype(np.float32)\n",
|
||||||
|
"\n",
|
||||||
|
" # Define points in destination (output rectangle) image\n",
|
||||||
|
" width = 200 # Width of the rectangle\n",
|
||||||
|
" height = 50 # Height of the rectangle\n",
|
||||||
|
" pts_dst = np.array(\n",
|
||||||
|
" [[0, 0], [width - 1, 0], [width - 1, height - 1], [0, height - 1]]\n",
|
||||||
|
" ).astype(np.float32)\n",
|
||||||
|
"\n",
|
||||||
|
" # Calculate the perspective transform matrix\n",
|
||||||
|
" matrix = cv2.getPerspectiveTransform(pts_src, pts_dst)\n",
|
||||||
|
"\n",
|
||||||
|
" # Warp the image\n",
|
||||||
|
" warped_image = cv2.warpPerspective(image, matrix, (width, height))\n",
|
||||||
|
" return warped_image\n",
|
||||||
|
"\n",
|
||||||
|
"\n",
|
||||||
|
"def extract_line_pixels(warped_image, intervalsV, intervalsH):\n",
|
||||||
|
" \"\"\"Extracts pixel data along vertical and horizontal lines at given intervals.\"\"\"\n",
|
||||||
|
" height, width, channels = warped_image.shape\n",
|
||||||
|
"\n",
|
||||||
|
" pixel_data = []\n",
|
||||||
|
"\n",
|
||||||
|
" # Vertical lines\n",
|
||||||
|
" for i in intervalsV:\n",
|
||||||
|
" x_coord = int(width * i)\n",
|
||||||
|
" vertical_line = warped_image[:, x_coord, 1]\n",
|
||||||
|
" pixel_data.append(vertical_line)\n",
|
||||||
|
"\n",
|
||||||
|
" # Horizontal lines\n",
|
||||||
|
" for i in intervalsH:\n",
|
||||||
|
" y_coord = int(height * i)\n",
|
||||||
|
" horizontal_line = warped_image[y_coord, :, 1]\n",
|
||||||
|
" pixel_data.append(horizontal_line)\n",
|
||||||
|
"\n",
|
||||||
|
" return pixel_data\n"
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"cell_type": "markdown",
|
||||||
|
"metadata": {
|
||||||
|
"metadata": {}
|
||||||
|
},
|
||||||
|
"source": [
|
||||||
|
"import matplotlib.pyplot as plt\n",
|
||||||
|
"\n",
|
||||||
|
"fig, axes = plt.subplots(3, 5, figsize=(15, 15))\n",
|
||||||
|
"axes = axes.flatten()\n",
|
||||||
|
"for i, pixels in enumerate(data):\n",
|
||||||
|
"axes[i].plot(pixels)\n",
|
||||||
|
"axes[i].set_ylim([0, 255])\n",
|
||||||
|
"axes[i].set_title(f\"Line {i+1}\")\n",
|
||||||
|
"axes[i].set_xlabel(\"Pixel Index\")\n",
|
||||||
|
"axes[i].set_ylabel(\"Pixel Value\")\n",
|
||||||
|
"\n",
|
||||||
|
"plt.tight_layout()\n"
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"cell_type": "code",
|
||||||
|
"execution_count": 4,
|
||||||
|
"metadata": {
|
||||||
|
"metadata": {}
|
||||||
|
},
|
||||||
|
"outputs": [],
|
||||||
|
"source": [
|
||||||
|
"def peaks(data, boxes=2):\n",
|
||||||
|
" # split data in boxes\n",
|
||||||
|
" data = np.array_split(data, boxes)\n",
|
||||||
|
"\n",
|
||||||
|
" # get the maximum value in each box\n",
|
||||||
|
" data = [np.max(d) for d in data]\n",
|
||||||
|
" data = [d > 150 for d in data]\n",
|
||||||
|
" return np.array(data).astype(int).tolist()\n",
|
||||||
|
"\n",
|
||||||
|
"\n",
|
||||||
|
"digits = {\n",
|
||||||
|
" 0: [[1, 0, 1], [1, 1], [1, 1]],\n",
|
||||||
|
" 1: [[0, 0, 0], [0, 1], [0, 1]],\n",
|
||||||
|
" 2: [[1, 1, 1], [0, 1], [1, 0]],\n",
|
||||||
|
" 3: [[1, 1, 1], [0, 1], [0, 1]],\n",
|
||||||
|
" 4: [[0, 1, 0], [1, 1], [0, 1]],\n",
|
||||||
|
" 5: [[1, 1, 1], [1, 0], [0, 1]],\n",
|
||||||
|
" 6: [[1, 1, 1], [1, 0], [1, 1]],\n",
|
||||||
|
" 7: [[1, 0, 0], [0, 1], [0, 1]],\n",
|
||||||
|
" 8: [[1, 1, 1], [1, 1], [1, 1]],\n",
|
||||||
|
" 9: [[1, 1, 1], [1, 1], [0, 1]],\n",
|
||||||
|
"}\n",
|
||||||
|
"\n",
|
||||||
|
"\n",
|
||||||
|
"def OCRdigit(vertical, horizontal1, horizontal2):\n",
|
||||||
|
" # get times it goes above 150, remove subsequent values\n",
|
||||||
|
" digit = [peaks(vertical, 3), peaks(horizontal1), peaks(horizontal2)]\n",
|
||||||
|
" digit = [key for key, value in digits.items() if value == digit]\n",
|
||||||
|
" return digit[0]\n",
|
||||||
|
"\n",
|
||||||
|
"\n",
|
||||||
|
"def OCRscreen(pixels_along_lines):\n",
|
||||||
|
" data = (\n",
|
||||||
|
" pixels_along_lines[:5]\n",
|
||||||
|
" + [\n",
|
||||||
|
" pixels_along_lines[5][:40],\n",
|
||||||
|
" pixels_along_lines[5][40:80],\n",
|
||||||
|
" pixels_along_lines[5][80:120],\n",
|
||||||
|
" pixels_along_lines[5][120:160],\n",
|
||||||
|
" pixels_along_lines[5][160:],\n",
|
||||||
|
" ]\n",
|
||||||
|
" + [\n",
|
||||||
|
" pixels_along_lines[6][:40],\n",
|
||||||
|
" pixels_along_lines[6][40:80],\n",
|
||||||
|
" pixels_along_lines[6][80:120],\n",
|
||||||
|
" pixels_along_lines[6][120:160],\n",
|
||||||
|
" pixels_along_lines[6][160:],\n",
|
||||||
|
" ]\n",
|
||||||
|
" )\n",
|
||||||
|
"\n",
|
||||||
|
" text = \"\"\n",
|
||||||
|
" for i in range(5):\n",
|
||||||
|
" text += str(OCRdigit(data[i], data[i + 5], data[i + 10]))\n",
|
||||||
|
" return text\n"
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"cell_type": "code",
|
||||||
|
"execution_count": 5,
|
||||||
|
"metadata": {
|
||||||
|
"metadata": {}
|
||||||
|
},
|
||||||
|
"outputs": [],
|
||||||
|
"source": [
|
||||||
|
"from datetime import datetime\n",
|
||||||
|
"import xlsxwriter\n",
|
||||||
|
"\n",
|
||||||
|
"\n",
|
||||||
|
"def writeDate(worksheet, row, column, date, format):\n",
|
||||||
|
" original_format = \"%Y-%m-%d %H-%M-%S-%f\"\n",
|
||||||
|
" parsed_datetime = datetime.strptime(date, original_format)\n",
|
||||||
|
"\n",
|
||||||
|
" worksheet.write_datetime(row, column, parsed_datetime, format)\n",
|
||||||
|
"\n",
|
||||||
|
"\n",
|
||||||
|
"def data2excel(data):\n",
|
||||||
|
" # save the data in an excel file\n",
|
||||||
|
" fileName = \"data.xlsx\"\n",
|
||||||
|
" workbook = xlsxwriter.Workbook(fileName)\n",
|
||||||
|
" worksheet = workbook.add_worksheet()\n",
|
||||||
|
"\n",
|
||||||
|
" dateFormat = workbook.add_format({\"num_format\": \"dd/mm/yy hh:mm:ss\"})\n",
|
||||||
|
"\n",
|
||||||
|
" # write the data\n",
|
||||||
|
" row = 0\n",
|
||||||
|
" for key, value in data.items():\n",
|
||||||
|
" date = key.split(\" \", 1)[1][:-4]\n",
|
||||||
|
" writeDate(worksheet, row, 0, date, dateFormat)\n",
|
||||||
|
" worksheet.write(row, 1, value)\n",
|
||||||
|
" try:\n",
|
||||||
|
" worksheet.write(row, 2, float(value[:6]))\n",
|
||||||
|
" except Exception as _:\n",
|
||||||
|
" pass\n",
|
||||||
|
" row += 1\n",
|
||||||
|
"\n",
|
||||||
|
" workbook.close()\n"
|
||||||
|
]
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"cell_type": "code",
|
||||||
|
"execution_count": 10,
|
||||||
|
"metadata": {
|
||||||
|
"metadata": {}
|
||||||
|
},
|
||||||
|
"outputs": [
|
||||||
|
{
|
||||||
|
"name": "stdout",
|
||||||
|
"output_type": "stream",
|
||||||
|
"text": [
|
||||||
|
"Error processing bandicam 2024-04-16 11-25-10-700.jpg: list index out of range\n",
|
||||||
|
"Error processing bandicam 2024-04-16 11-40-00-733.jpg: list index out of range\n",
|
||||||
|
"Error processing bandicam 2024-04-16 11-40-10-720.jpg: list index out of range\n",
|
||||||
|
"Error processing bandicam 2024-04-16 11-44-30-732.jpg: list index out of range\n",
|
||||||
|
"Error processing bandicam 2024-04-16 11-48-20-723.jpg: list index out of range\n",
|
||||||
|
"Error processing bandicam 2024-04-16 11-48-30-728.jpg: list index out of range\n",
|
||||||
|
"Error processing bandicam 2024-04-16 11-49-50-741.jpg: list index out of range\n"
|
||||||
|
]
|
||||||
|
}
|
||||||
|
],
|
||||||
|
"source": [
|
||||||
|
"folder = (\n",
|
||||||
|
" \"./2/\"\n",
|
||||||
|
")\n",
|
||||||
|
"images = [f for f in os.listdir(folder) if f.endswith(\".jpg\")]\n",
|
||||||
|
"\n",
|
||||||
|
"region = draw_interactive_polygon(folder + images[0])\n",
|
||||||
|
"\n",
|
||||||
|
"data = {}\n",
|
||||||
|
"for image in images:\n",
|
||||||
|
" try:\n",
|
||||||
|
" warped = warp_polygon(folder + image, region)\n",
|
||||||
|
" pixels_along_lines = extract_line_pixels(warped, INTERVV, INTERVH)\n",
|
||||||
|
" data[image] = OCRscreen(pixels_along_lines)\n",
|
||||||
|
" except Exception as e:\n",
|
||||||
|
" print(f\"Error processing {image}: {e}\")\n",
|
||||||
|
" continue\n",
|
||||||
|
"\n",
|
||||||
|
"data2excel(data)\n"
|
||||||
|
]
|
||||||
|
}
|
||||||
|
],
|
||||||
|
"metadata": {
|
||||||
|
"kernelspec": {
|
||||||
|
"display_name": "AI_logging",
|
||||||
|
"language": "python",
|
||||||
|
"name": "python3"
|
||||||
|
},
|
||||||
|
"language_info": {
|
||||||
|
"codemirror_mode": {
|
||||||
|
"name": "ipython",
|
||||||
|
"version": 3
|
||||||
|
},
|
||||||
|
"file_extension": ".py",
|
||||||
|
"mimetype": "text/x-python",
|
||||||
|
"name": "python",
|
||||||
|
"nbconvert_exporter": "python",
|
||||||
|
"pygments_lexer": "ipython3",
|
||||||
|
"version": "3.10.14"
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"nbformat": 4,
|
||||||
|
"nbformat_minor": 2
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue