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app.py
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app.py
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from flask import Flask, render_template, request, send_file, send_from_directory
import cv2 as cv;
import io;
app = Flask(__name__, static_url_path = "/uploads", static_folder = "uploads")
@app.route('/', methods=['GET'])
def homepage():
return render_template('index.html')
@app.route('/upload', methods=['POST'])
def upload():
# -- uploaded file setup
file = request.files.get('fileInput')
file_path = "./uploads/img/" + file.filename
file.save(file_path)
# Canny edge detection --------------------------------------
img = cv.imread(file_path, 0)
edges = cv.Canny(img,100,200)
cv.imwrite("./uploads/canny/" + file.filename, edges)
# Sobel edge detection --------------------------------------
img2 = cv.imread(file_path, 1)
src = cv.GaussianBlur(img2, (3, 3), 0)
grays = cv.cvtColor(src, cv.COLOR_BGR2GRAY)
sobelx = cv.Sobel(grays, cv.CV_64F, dx=1, dy=0, ksize=3) # on X axis
sobely = cv.Sobel(grays, cv.CV_64F, dx=0, dy=1, ksize=3) # on Y axis
abs_grad_x = cv.convertScaleAbs(sobelx)
abs_grad_y = cv.convertScaleAbs(sobely)
grad = cv.addWeighted(abs_grad_x, 0.5, abs_grad_y, 0.5, 0)
cv.imwrite("./uploads/sobel/" + file.filename, grad)
return {
"sobel" : "./uploads/sobel/" + file.filename,
"canny" : "./uploads/canny/" + file.filename
}
@app.route('/test', methods=['GET'])
def sobel():
return {
'A' : 'AAA',
'B' : 'BBB',
}
if __name__ == '__main__':
app.run(port=3000, debug=True)