Python mmcv.list_from_file方法代码示例

# 需要导入模块: import mmcv [as 别名]
# 或者: from mmcv import list_from_file [as 别名]
def get_classes(cls, classes=None):
        """Get class names of current dataset.

        Args:
            classes (Sequence[str] | str | None): If classes is None, use
                default CLASSES defined by builtin dataset. If classes is a
                string, take it as a file name. The file contains the name of
                classes where each line contains one class name. If classes is
                a tuple or list, override the CLASSES defined by the dataset.
        """
        if classes is None:
            cls.custom_classes = False
            return cls.CLASSES

        cls.custom_classes = True
        if isinstance(classes, str):
            # take it as a file path
            class_names = mmcv.list_from_file(classes)
        elif isinstance(classes, (tuple, list)):
            class_names = classes
        else:
            raise ValueError(f'Unsupported type {type(classes)} of classes.')

        return class_names 

# 需要导入模块: import mmcv [as 别名]
# 或者: from mmcv import list_from_file [as 别名]
def cvt_annotations(devkit_path, years, split, out_file):
    if not isinstance(years, list):
        years = [years]
    annotations = []
    for year in years:
        filelist = osp.join(devkit_path,
                            f'VOC{year}/ImageSets/Main/{split}.txt')
        if not osp.isfile(filelist):
            print(f'filelist does not exist: {filelist}, '
                  f'skip voc{year} {split}')
            return
        img_names = mmcv.list_from_file(filelist)
        xml_paths = [
            osp.join(devkit_path, f'VOC{year}/Annotations/{img_name}.xml')
            for img_name in img_names
        ]
        img_paths = [
            f'VOC{year}/JPEGImages/{img_name}.jpg' for img_name in img_names
        ]
        part_annotations = mmcv.track_progress(parse_xml,
                                               list(zip(xml_paths, img_paths)))
        annotations.extend(part_annotations)
    mmcv.dump(annotations, out_file)
    return annotations 

# 需要导入模块: import mmcv [as 别名]
# 或者: from mmcv import list_from_file [as 别名]
def cvt_annotations(devkit_path, years, split, out_file):
    if not isinstance(years, list):
        years = [years]
    annotations = []
    for year in years:
        filelist = osp.join(devkit_path, 'VOC{}/ImageSets/Main/{}.txt'.format(
            year, split))
        if not osp.isfile(filelist):
            print('filelist does not exist: {}, skip voc{} {}'.format(
                filelist, year, split))
            return
        img_names = mmcv.list_from_file(filelist)
        xml_paths = [
            osp.join(devkit_path, 'VOC{}/Annotations/{}.xml'.format(
                year, img_name)) for img_name in img_names
        ]
        img_paths = [
            'VOC{}/JPEGImages/{}.jpg'.format(year, img_name)
            for img_name in img_names
        ]
        part_annotations = mmcv.track_progress(parse_xml,
                                               list(zip(xml_paths, img_paths)))
        annotations.extend(part_annotations)
    mmcv.dump(annotations, out_file)
    return annotations 

# 需要导入模块: import mmcv [as 别名]
# 或者: from mmcv import list_from_file [as 别名]
def load_annotations(self, ann_file):
        img_infos = []
        img_ids = mmcv.list_from_file(ann_file)
        for img_id in img_ids:
            filename = '{}.jpg'.format(img_id)
            xml_path = osp.join(self.img_prefix, 'Annotations',
                                '{}.xml'.format(img_id))
            tree = ET.parse(xml_path)
            root = tree.getroot()
            size = root.find('size')
            width = int(size.find('width').text)
            height = int(size.find('height').text)
            folder = root.find('folder').text
            img_infos.append(
                dict(id=img_id, filename=osp.join(folder, filename),
                     width=width, height=height))

        return img_infos 

# 需要导入模块: import mmcv [as 别名]
# 或者: from mmcv import list_from_file [as 别名]
def load_annotations(self, ann_file):
        img_infos = []
        img_ids = mmcv.list_from_file(ann_file)
        for img_id in img_ids:
            filename = '{}.jpg'.format(img_id)
            xml_path = osp.join(self.img_prefix, 'Annotations',
                                '{}.xml'.format(img_id))
            tree = ET.parse(xml_path)
            root = tree.getroot()
            size = root.find('size')
            width = int(size.find('width').text)
            height = int(size.find('height').text)
            folder = root.find('folder').text
            img_infos.append(
                dict(
                    id=img_id,
                    filename=osp.join(folder, filename),
                    width=width,
                    height=height))

        return img_infos 

# 需要导入模块: import mmcv [as 别名]
# 或者: from mmcv import list_from_file [as 别名]
def load_annotations(self, ann_file):
        """Load annotation from WIDERFace XML style annotation file.

        Args:
            ann_file (str): Path of XML file.

        Returns:
            list[dict]: Annotation info from XML file.
        """

        data_infos = []
        img_ids = mmcv.list_from_file(ann_file)
        for img_id in img_ids:
            filename = f'{img_id}.jpg'
            xml_path = osp.join(self.img_prefix, 'Annotations',
                                f'{img_id}.xml')
            tree = ET.parse(xml_path)
            root = tree.getroot()
            size = root.find('size')
            width = int(size.find('width').text)
            height = int(size.find('height').text)
            folder = root.find('folder').text
            data_infos.append(
                dict(
                    id=img_id,
                    filename=osp.join(folder, filename),
                    width=width,
                    height=height))

        return data_infos 

# 需要导入模块: import mmcv [as 别名]
# 或者: from mmcv import list_from_file [as 别名]
def load_annotations(self, ann_file):
        """Load annotation from XML style ann_file.

        Args:
            ann_file (str): Path of XML file.

        Returns:
            list[dict]: Annotation info from XML file.
        """

        data_infos = []
        img_ids = mmcv.list_from_file(ann_file)
        for img_id in img_ids:
            filename = f'JPEGImages/{img_id}.jpg'
            xml_path = osp.join(self.img_prefix, 'Annotations',
                                f'{img_id}.xml')
            tree = ET.parse(xml_path)
            root = tree.getroot()
            size = root.find('size')
            width = 0
            height = 0
            if size is not None:
                width = int(size.find('width').text)
                height = int(size.find('height').text)
            else:
                img_path = osp.join(self.img_prefix, 'JPEGImages',
                                    '{}.jpg'.format(img_id))
                img = Image.open(img_path)
                width, height = img.size
            data_infos.append(
                dict(id=img_id, filename=filename, width=width, height=height))

        return data_infos 

# 需要导入模块: import mmcv [as 别名]
# 或者: from mmcv import list_from_file [as 别名]
def load_annotations(self, ann_file):
        img_infos = []
        img_ids = mmcv.list_from_file(ann_file)
        for img_id in img_ids:
            filename = 'JPEGImages/{}.jpg'.format(img_id)
            xml_path = osp.join(self.img_prefix, 'Annotations',
                                '{}.xml'.format(img_id))
            tree = ET.parse(xml_path)
            root = tree.getroot()
            size = root.find('size')
            width = int(size.find('width').text)
            height = int(size.find('height').text)
            img_infos.append(
                dict(id=img_id, filename=filename, width=width, height=height))
        return img_infos