Leif
4 years ago
parent
b909893585
commit
40673f996a
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# Copyright (c) 2016 Tzutalin
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# Create by TzuTaLin <tzu.ta.lin@gmail.com>
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try:
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from PyQt5.QtGui import QImage
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except ImportError:
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from PyQt4.QtGui import QImage
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from base64 import b64encode, b64decode
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from libs.pascal_voc_io import PascalVocWriter
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from libs.yolo_io import YOLOWriter
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from libs.pascal_voc_io import XML_EXT
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from enum import Enum
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import os.path
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import sys
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class LabelFileFormat(Enum):
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PASCAL_VOC= 1
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YOLO = 2
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class LabelFileError(Exception):
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pass
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class LabelFile(object):
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# It might be changed as window creates. By default, using XML ext
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# suffix = '.lif'
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suffix = XML_EXT
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def __init__(self, filename=None):
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self.shapes = ()
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self.imagePath = None
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self.imageData = None
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self.verified = False
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def savePascalVocFormat(self, filename, shapes, imagePath, imageData,
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lineColor=None, fillColor=None, databaseSrc=None):
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imgFolderPath = os.path.dirname(imagePath)
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imgFolderName = os.path.split(imgFolderPath)[-1]
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imgFileName = os.path.basename(imagePath)
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#imgFileNameWithoutExt = os.path.splitext(imgFileName)[0]
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# Read from file path because self.imageData might be empty if saving to
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# Pascal format
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image = QImage()
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image.load(imagePath)
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imageShape = [image.height(), image.width(),
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1 if image.isGrayscale() else 3]
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writer = PascalVocWriter(imgFolderName, imgFileName,
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imageShape, localImgPath=imagePath)
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writer.verified = self.verified
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for shape in shapes:
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points = shape['points']
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label = shape['label']
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# Add Chris
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difficult = int(shape['difficult'])
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bndbox = LabelFile.convertPoints2BndBox(points)
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writer.addBndBox(bndbox[0], bndbox[1], bndbox[2], bndbox[3], label, difficult)
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writer.save(targetFile=filename)
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return
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def saveYoloFormat(self, filename, shapes, imagePath, imageData, classList,
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lineColor=None, fillColor=None, databaseSrc=None):
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imgFolderPath = os.path.dirname(imagePath)
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imgFolderName = os.path.split(imgFolderPath)[-1]
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imgFileName = os.path.basename(imagePath)
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#imgFileNameWithoutExt = os.path.splitext(imgFileName)[0]
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# Read from file path because self.imageData might be empty if saving to
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# Pascal format
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image = QImage()
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image.load(imagePath)
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imageShape = [image.height(), image.width(),
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1 if image.isGrayscale() else 3]
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writer = YOLOWriter(imgFolderName, imgFileName,
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imageShape, localImgPath=imagePath)
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writer.verified = self.verified
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for shape in shapes:
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points = shape['points']
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label = shape['label']
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# Add Chris
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difficult = int(shape['difficult'])
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bndbox = LabelFile.convertPoints2BndBox(points)
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writer.addBndBox(bndbox[0], bndbox[1], bndbox[2], bndbox[3], label, difficult)
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writer.save(targetFile=filename, classList=classList)
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return
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def toggleVerify(self):
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self.verified = not self.verified
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''' ttf is disable
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def load(self, filename):
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import json
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with open(filename, 'rb') as f:
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data = json.load(f)
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imagePath = data['imagePath']
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imageData = b64decode(data['imageData'])
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lineColor = data['lineColor']
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fillColor = data['fillColor']
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shapes = ((s['label'], s['points'], s['line_color'], s['fill_color'])\
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for s in data['shapes'])
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# Only replace data after everything is loaded.
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self.shapes = shapes
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self.imagePath = imagePath
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self.imageData = imageData
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self.lineColor = lineColor
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self.fillColor = fillColor
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def save(self, filename, shapes, imagePath, imageData, lineColor=None, fillColor=None):
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import json
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with open(filename, 'wb') as f:
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json.dump(dict(
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shapes=shapes,
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lineColor=lineColor, fillColor=fillColor,
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imagePath=imagePath,
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imageData=b64encode(imageData)),
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f, ensure_ascii=True, indent=2)
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'''
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@staticmethod
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def isLabelFile(filename):
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fileSuffix = os.path.splitext(filename)[1].lower()
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return fileSuffix == LabelFile.suffix
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@staticmethod
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def convertPoints2BndBox(points):
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xmin = float('inf')
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ymin = float('inf')
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xmax = float('-inf')
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ymax = float('-inf')
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for p in points:
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x = p[0]
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y = p[1]
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xmin = min(x, xmin)
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ymin = min(y, ymin)
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xmax = max(x, xmax)
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ymax = max(y, ymax)
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# Martin Kersner, 2015/11/12
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# 0-valued coordinates of BB caused an error while
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# training faster-rcnn object detector.
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if xmin < 1:
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xmin = 1
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if ymin < 1:
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ymin = 1
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return (int(xmin), int(ymin), int(xmax), int(ymax))
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@ -1,183 +0,0 @@
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# Copyright (c) <2015-Present> Tzutalin
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# Copyright (C) 2013 MIT, Computer Science and Artificial Intelligence Laboratory. Bryan Russell, Antonio Torralba,
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# William T. Freeman. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
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# associated documentation files (the "Software"), to deal in the Software without restriction, including without
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# limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
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# Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all copies or substantial portions of
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# the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
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# NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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# CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#!/usr/bin/env python
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# -*- coding: utf8 -*-
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import sys
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from xml.etree import ElementTree
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from xml.etree.ElementTree import Element, SubElement
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from lxml import etree
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import codecs
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from libs.constants import DEFAULT_ENCODING
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from libs.ustr import ustr
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XML_EXT = '.xml'
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ENCODE_METHOD = DEFAULT_ENCODING
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class PascalVocWriter:
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def __init__(self, foldername, filename, imgSize,databaseSrc='Unknown', localImgPath=None):
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self.foldername = foldername
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self.filename = filename
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self.databaseSrc = databaseSrc
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self.imgSize = imgSize
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self.boxlist = []
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self.localImgPath = localImgPath
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self.verified = False
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def prettify(self, elem):
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"""
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Return a pretty-printed XML string for the Element.
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"""
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rough_string = ElementTree.tostring(elem, 'utf8')
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root = etree.fromstring(rough_string)
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return etree.tostring(root, pretty_print=True, encoding=ENCODE_METHOD).replace(" ".encode(), "\t".encode())
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# minidom does not support UTF-8
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'''reparsed = minidom.parseString(rough_string)
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return reparsed.toprettyxml(indent="\t", encoding=ENCODE_METHOD)'''
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def genXML(self):
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"""
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Return XML root
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"""
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# Check conditions
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if self.filename is None or \
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self.foldername is None or \
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self.imgSize is None:
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return None
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top = Element('annotation')
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if self.verified:
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top.set('verified', 'yes')
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folder = SubElement(top, 'folder')
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folder.text = self.foldername
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filename = SubElement(top, 'filename')
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filename.text = self.filename
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if self.localImgPath is not None:
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localImgPath = SubElement(top, 'path')
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localImgPath.text = self.localImgPath
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source = SubElement(top, 'source')
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database = SubElement(source, 'database')
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database.text = self.databaseSrc
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size_part = SubElement(top, 'size')
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width = SubElement(size_part, 'width')
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height = SubElement(size_part, 'height')
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depth = SubElement(size_part, 'depth')
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width.text = str(self.imgSize[1])
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height.text = str(self.imgSize[0])
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if len(self.imgSize) == 3:
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depth.text = str(self.imgSize[2])
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else:
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depth.text = '1'
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segmented = SubElement(top, 'segmented')
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segmented.text = '0'
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return top
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def addBndBox(self, xmin, ymin, xmax, ymax, name, difficult):
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bndbox = {'xmin': xmin, 'ymin': ymin, 'xmax': xmax, 'ymax': ymax}
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bndbox['name'] = name
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bndbox['difficult'] = difficult
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self.boxlist.append(bndbox)
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def appendObjects(self, top):
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for each_object in self.boxlist:
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object_item = SubElement(top, 'object')
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name = SubElement(object_item, 'name')
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name.text = ustr(each_object['name'])
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pose = SubElement(object_item, 'pose')
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pose.text = "Unspecified"
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truncated = SubElement(object_item, 'truncated')
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if int(float(each_object['ymax'])) == int(float(self.imgSize[0])) or (int(float(each_object['ymin']))== 1):
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truncated.text = "1" # max == height or min
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elif (int(float(each_object['xmax']))==int(float(self.imgSize[1]))) or (int(float(each_object['xmin']))== 1):
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truncated.text = "1" # max == width or min
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else:
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truncated.text = "0"
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difficult = SubElement(object_item, 'difficult')
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difficult.text = str( bool(each_object['difficult']) & 1 )
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bndbox = SubElement(object_item, 'bndbox')
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xmin = SubElement(bndbox, 'xmin')
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xmin.text = str(each_object['xmin'])
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ymin = SubElement(bndbox, 'ymin')
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ymin.text = str(each_object['ymin'])
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xmax = SubElement(bndbox, 'xmax')
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xmax.text = str(each_object['xmax'])
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ymax = SubElement(bndbox, 'ymax')
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ymax.text = str(each_object['ymax'])
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def save(self, targetFile=None):
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root = self.genXML()
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self.appendObjects(root)
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out_file = None
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if targetFile is None:
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out_file = codecs.open(
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self.filename + XML_EXT, 'w', encoding=ENCODE_METHOD)
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else:
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out_file = codecs.open(targetFile, 'w', encoding=ENCODE_METHOD)
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prettifyResult = self.prettify(root)
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out_file.write(prettifyResult.decode('utf8'))
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out_file.close()
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class PascalVocReader:
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def __init__(self, filepath):
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# shapes type:
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# [labbel, [(x1,y1), (x2,y2), (x3,y3), (x4,y4)], color, color, difficult]
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self.shapes = []
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self.filepath = filepath
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self.verified = False
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try:
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self.parseXML()
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except:
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pass
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def getShapes(self):
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return self.shapes
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def addShape(self, label, bndbox, difficult):
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xmin = int(float(bndbox.find('xmin').text))
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ymin = int(float(bndbox.find('ymin').text))
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xmax = int(float(bndbox.find('xmax').text))
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ymax = int(float(bndbox.find('ymax').text))
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points = [(xmin, ymin), (xmax, ymin), (xmax, ymax), (xmin, ymax)]
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self.shapes.append((label, points, None, None, difficult))
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def parseXML(self):
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assert self.filepath.endswith(XML_EXT), "Unsupport file format"
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parser = etree.XMLParser(encoding=ENCODE_METHOD)
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xmltree = ElementTree.parse(self.filepath, parser=parser).getroot()
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filename = xmltree.find('filename').text
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try:
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verified = xmltree.attrib['verified']
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if verified == 'yes':
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self.verified = True
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except KeyError:
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self.verified = False
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for object_iter in xmltree.findall('object'):
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bndbox = object_iter.find("bndbox")
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label = object_iter.find('name').text
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# Add chris
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difficult = False
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if object_iter.find('difficult') is not None:
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difficult = bool(int(object_iter.find('difficult').text))
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self.addShape(label, bndbox, difficult)
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return True
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@ -1,146 +0,0 @@
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#!/usr/bin/env python
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# -*- coding: utf8 -*-
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import sys
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import os
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from xml.etree import ElementTree
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from xml.etree.ElementTree import Element, SubElement
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from lxml import etree
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import codecs
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from libs.constants import DEFAULT_ENCODING
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TXT_EXT = '.txt'
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ENCODE_METHOD = DEFAULT_ENCODING
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class YOLOWriter:
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def __init__(self, foldername, filename, imgSize, databaseSrc='Unknown', localImgPath=None):
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self.foldername = foldername
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self.filename = filename
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self.databaseSrc = databaseSrc
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self.imgSize = imgSize
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self.boxlist = []
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self.localImgPath = localImgPath
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self.verified = False
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def addBndBox(self, xmin, ymin, xmax, ymax, name, difficult):
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bndbox = {'xmin': xmin, 'ymin': ymin, 'xmax': xmax, 'ymax': ymax}
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bndbox['name'] = name
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bndbox['difficult'] = difficult
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self.boxlist.append(bndbox)
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def BndBox2YoloLine(self, box, classList=[]):
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xmin = box['xmin']
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xmax = box['xmax']
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ymin = box['ymin']
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ymax = box['ymax']
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xcen = float((xmin + xmax)) / 2 / self.imgSize[1]
|
|
||||||
ycen = float((ymin + ymax)) / 2 / self.imgSize[0]
|
|
||||||
|
|
||||||
w = float((xmax - xmin)) / self.imgSize[1]
|
|
||||||
h = float((ymax - ymin)) / self.imgSize[0]
|
|
||||||
|
|
||||||
# PR387
|
|
||||||
boxName = box['name']
|
|
||||||
if boxName not in classList:
|
|
||||||
classList.append(boxName)
|
|
||||||
|
|
||||||
classIndex = classList.index(boxName)
|
|
||||||
|
|
||||||
return classIndex, xcen, ycen, w, h
|
|
||||||
|
|
||||||
def save(self, classList=[], targetFile=None):
|
|
||||||
|
|
||||||
out_file = None #Update yolo .txt
|
|
||||||
out_class_file = None #Update class list .txt
|
|
||||||
|
|
||||||
if targetFile is None:
|
|
||||||
out_file = open(
|
|
||||||
self.filename + TXT_EXT, 'w', encoding=ENCODE_METHOD)
|
|
||||||
classesFile = os.path.join(os.path.dirname(os.path.abspath(self.filename)), "classes.txt")
|
|
||||||
out_class_file = open(classesFile, 'w')
|
|
||||||
|
|
||||||
else:
|
|
||||||
out_file = codecs.open(targetFile, 'w', encoding=ENCODE_METHOD)
|
|
||||||
classesFile = os.path.join(os.path.dirname(os.path.abspath(targetFile)), "classes.txt")
|
|
||||||
out_class_file = open(classesFile, 'w')
|
|
||||||
|
|
||||||
|
|
||||||
for box in self.boxlist:
|
|
||||||
classIndex, xcen, ycen, w, h = self.BndBox2YoloLine(box, classList)
|
|
||||||
# print (classIndex, xcen, ycen, w, h)
|
|
||||||
out_file.write("%d %.6f %.6f %.6f %.6f\n" % (classIndex, xcen, ycen, w, h))
|
|
||||||
|
|
||||||
# print (classList)
|
|
||||||
# print (out_class_file)
|
|
||||||
for c in classList:
|
|
||||||
out_class_file.write(c+'\n')
|
|
||||||
|
|
||||||
out_class_file.close()
|
|
||||||
out_file.close()
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
class YoloReader:
|
|
||||||
|
|
||||||
def __init__(self, filepath, image, classListPath=None):
|
|
||||||
# shapes type:
|
|
||||||
# [labbel, [(x1,y1), (x2,y2), (x3,y3), (x4,y4)], color, color, difficult]
|
|
||||||
self.shapes = []
|
|
||||||
self.filepath = filepath
|
|
||||||
|
|
||||||
if classListPath is None:
|
|
||||||
dir_path = os.path.dirname(os.path.realpath(self.filepath))
|
|
||||||
self.classListPath = os.path.join(dir_path, "classes.txt")
|
|
||||||
else:
|
|
||||||
self.classListPath = classListPath
|
|
||||||
|
|
||||||
# print (filepath, self.classListPath)
|
|
||||||
|
|
||||||
classesFile = open(self.classListPath, 'r')
|
|
||||||
self.classes = classesFile.read().strip('\n').split('\n')
|
|
||||||
|
|
||||||
# print (self.classes)
|
|
||||||
|
|
||||||
imgSize = [image.height(), image.width(),
|
|
||||||
1 if image.isGrayscale() else 3]
|
|
||||||
|
|
||||||
self.imgSize = imgSize
|
|
||||||
|
|
||||||
self.verified = False
|
|
||||||
# try:
|
|
||||||
self.parseYoloFormat()
|
|
||||||
# except:
|
|
||||||
# pass
|
|
||||||
|
|
||||||
def getShapes(self):
|
|
||||||
return self.shapes
|
|
||||||
|
|
||||||
def addShape(self, label, xmin, ymin, xmax, ymax, difficult):
|
|
||||||
|
|
||||||
points = [(xmin, ymin), (xmax, ymin), (xmax, ymax), (xmin, ymax)]
|
|
||||||
self.shapes.append((label, points, None, None, difficult))
|
|
||||||
|
|
||||||
def yoloLine2Shape(self, classIndex, xcen, ycen, w, h):
|
|
||||||
label = self.classes[int(classIndex)]
|
|
||||||
|
|
||||||
xmin = max(float(xcen) - float(w) / 2, 0)
|
|
||||||
xmax = min(float(xcen) + float(w) / 2, 1)
|
|
||||||
ymin = max(float(ycen) - float(h) / 2, 0)
|
|
||||||
ymax = min(float(ycen) + float(h) / 2, 1)
|
|
||||||
|
|
||||||
xmin = int(self.imgSize[1] * xmin)
|
|
||||||
xmax = int(self.imgSize[1] * xmax)
|
|
||||||
ymin = int(self.imgSize[0] * ymin)
|
|
||||||
ymax = int(self.imgSize[0] * ymax)
|
|
||||||
|
|
||||||
return label, xmin, ymin, xmax, ymax
|
|
||||||
|
|
||||||
def parseYoloFormat(self):
|
|
||||||
bndBoxFile = open(self.filepath, 'r')
|
|
||||||
for bndBox in bndBoxFile:
|
|
||||||
classIndex, xcen, ycen, w, h = bndBox.strip().split(' ')
|
|
||||||
label, xmin, ymin, xmax, ymax = self.yoloLine2Shape(classIndex, xcen, ycen, w, h)
|
|
||||||
|
|
||||||
# Caveat: difficult flag is discarded when saved as yolo format.
|
|
||||||
self.addShape(label, xmin, ymin, xmax, ymax, False)
|
|
||||||
Loading…
Reference in new issue