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## XGBoost vs LightGBM vs CatBoost.ipynb

      
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                nbswords
                / XGBoost vs LightGBM vs CatBoost.ipynb
            
            
              Created
              January 21, 2021 09:48
            
              
                XGBoost vs LightGBM vs CatBoost.ipynb
              
          
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## WIDER_FACE_covert_to_yolo.py
import os
import shutil
import cv2

def convert(size, box):
    dw = 1./size[0]
    dh = 1./size[1]
    x = (box[0] + box[1])/2.0
    y = (box[2] + box[3])/2.0
    w = box[1] - box[0]

## generate_train.py
import os

image_files = []
os.chdir(os.path.join("data", "obj"))
for filename in os.listdir(os.getcwd()):
    if filename.endswith(".jpg"):
        image_files.append("data/obj/" + filename)
os.chdir("..")
with open("train.txt", "w") as outfile:
    for image in image_files:

## generate_test.py
import os

image_files = []
os.chdir(os.path.join("data", "test"))
for filename in os.listdir(os.getcwd()):
    if filename.endswith(".jpg"):
        image_files.append("data/test/" + filename)
os.chdir("..")
with open("test.txt", "w") as outfile:
    for image in image_files:
	import os
	import shutil
	import cv2

	def convert(size, box):
	dw = 1./size[0]
	dh = 1./size[1]
	x = (box[0] + box[1])/2.0
	y = (box[2] + box[3])/2.0
	w = box[1] - box[0]
	import os

	image_files = []
	os.chdir(os.path.join("data", "obj"))
	for filename in os.listdir(os.getcwd()):
	if filename.endswith(".jpg"):
	image_files.append("data/obj/" + filename)
	os.chdir("..")
	with open("train.txt", "w") as outfile:
	for image in image_files:
	import os

	image_files = []
	os.chdir(os.path.join("data", "test"))
	for filename in os.listdir(os.getcwd()):
	if filename.endswith(".jpg"):
	image_files.append("data/test/" + filename)
	os.chdir("..")
	with open("test.txt", "w") as outfile:
	for image in image_files: