コード例 #1
0
 def from_dict(cls, ann_dict: dict, strict: bool = True) -> COCO_Annotation:
     if strict:
         check_required_keys(ann_dict,
                             required_keys=[
                                 'segmentation', 'num_keypoints', 'area',
                                 'iscrowd', 'keypoints', 'image_id', 'bbox',
                                 'category_id', 'id'
                             ])
         return COCO_Annotation(
             segmentation=Segmentation.from_list(ann_dict['segmentation'],
                                                 demarcation=False),
             num_keypoints=ann_dict['num_keypoints'],
             area=ann_dict['area'],
             iscrowd=ann_dict['iscrowd'],
             keypoints=Keypoint2D_List.from_list(ann_dict['keypoints'],
                                                 demarcation=False),
             image_id=ann_dict['image_id'],
             bbox=BBox.from_list(ann_dict['bbox'], input_format='pminsize'),
             category_id=ann_dict['category_id'],
             id=ann_dict['id'],
             keypoints_3d=Keypoint3D_List.from_list(
                 ann_dict['keypoints_3d'], demarcation=False)
             if 'keypoints_3d' in ann_dict else None,
             camera=Camera.from_dict(ann_dict['camera_params'])
             if 'camera_params' in ann_dict else None)
     else:
         check_required_keys(
             ann_dict, required_keys=['id', 'category_id', 'image_id'])
         return COCO_Annotation(
             segmentation=Segmentation.from_list(ann_dict['segmentation'],
                                                 demarcation=False)
             if 'segmentation' in ann_dict else None,
             num_keypoints=ann_dict['num_keypoints']
             if 'num_keypoints' in ann_dict else None,
             area=ann_dict['area'] if 'area' in ann_dict else None,
             iscrowd=ann_dict['iscrowd'] if 'iscrowd' in ann_dict else None,
             keypoints=Keypoint2D_List.from_list(ann_dict['keypoints'],
                                                 demarcation=False)
             if 'keypoints' in ann_dict else None,
             image_id=ann_dict['image_id'],
             bbox=BBox.from_list(ann_dict['bbox'], input_format='pminsize')
             if 'bbox' in ann_dict else None,
             category_id=ann_dict['category_id'],
             id=ann_dict['id'],
             keypoints_3d=Keypoint3D_List.from_list(
                 ann_dict['keypoints_3d'], demarcation=False)
             if 'keypoints_3d' in ann_dict else None,
             camera=Camera.from_dict(ann_dict['camera_params'])
             if 'camera_params' in ann_dict else None)
コード例 #2
0
    def from_dict(cls, ann_dict: dict) -> Detectron2_Annotation:
        check_required_keys(
            ann_dict,
            required_keys=['iscrowd', 'bbox', 'category_id', 'bbox_mode'])

        if ann_dict['bbox_mode'] == BoxMode.XYWH_ABS:
            bbox = BBox.from_list(ann_dict['bbox'], input_format='pminsize')
        elif ann_dict['bbox_mode'] == BoxMode.XYXY_ABS:
            bbox = BBox.from_list(ann_dict['bbox'], input_format='pminpmax')
        else:
            raise NotImplementedError
        if 'keypoints' in ann_dict:
            keypoints = Keypoint2D_List.from_list(
                value_list=ann_dict['keypoints'], demarcation=False)
        else:
            keypoints = Keypoint2D_List()

        return Detectron2_Annotation(iscrowd=ann_dict['iscrowd'],
                                     bbox=bbox,
                                     keypoints=keypoints,
                                     category_id=ann_dict['category_id'],
                                     segmentation=Segmentation.from_list(
                                         points_list=ann_dict['segmentation']
                                         if 'segmentation' in ann_dict else [],
                                         demarcation=False),
                                     bbox_mode=ann_dict['bbox_mode'])
コード例 #3
0
ファイル: base.py プロジェクト: HienDT27/labelme2coco
    def get_instance_segmentation(self,
                                  img,
                                  lower_thres: list = (0, 0, 0),
                                  upper_thresh: list = (255, 255, 255)):

        color_mask = cv2.inRange(src=img,
                                 lowerb=lower_thres,
                                 upperb=upper_thresh)
        color_contours, _ = cv2.findContours(color_mask, cv2.RETR_EXTERNAL,
                                             cv2.CHAIN_APPROX_SIMPLE)
        seg = Segmentation.from_contour(contour_list=color_contours)

        return seg
コード例 #4
0
ファイル: vis_data.py プロジェクト: Jitesh17/jaitool
def run(
    path: str,
    key: str = 'measure',
    show_image: bool = False,
    show_video: bool = True,
):
    dataset = COCO_Dataset.load_from_path(json_path=f'{path}/{key}-coco.json',
                                          img_dir=path,
                                          strict=False)
    # for i, coco_ann in enumerate(dataset.annotations):
    #     if i % 2 == 0:
    #         coco_ann.segmentation = Segmentation()
    #     if i % 3 == 0:
    #         coco_ann.keypoints = Keypoint2D_List()
    #         coco_ann.num_keypoints = 0
    for coco_ann in dataset.annotations:
        coco_ann.segmentation = Segmentation()
        coco_ann.keypoints = Keypoint2D_List()
        coco_ann.num_keypoints = 0
        coco_ann.keypoints_3d = None
        coco_ann.camera = None
    for coco_cat in dataset.categories:
        coco_cat.keypoints = []
        coco_cat.skeleton = []
    dataset.save_to_path('non_strict_dataset.json',
                         overwrite=True,
                         strict=False)
    dataset0 = COCO_Dataset.load_from_path('non_strict_dataset.json',
                                           strict=False)
    dataset0.images.sort(attr_name='file_name')

    if show_image:
        dataset0.save_visualization(save_dir=f'{path}_{dt_string3}_visualize',
                                    show_preview=True,
                                    kpt_idx_offset=-1,
                                    overwrite=True,
                                    show_details=True)
    if show_video:
        dataset0.save_video(
            save_path=f'{path}_{dt_string3}.mp4',
            # draw_order=['screw'],
            show_details=True,
            show_preview=True,
            kpt_idx_offset=-1,
            overwrite=True,
            fps=5,
            show_seg=True)
    logger.green('Visualisation complete')
コード例 #5
0
    def generate_visualizations(self, do_sort: bool = False):
        delete_dir_if_exists(self.visualization_dump_dir)
        make_dir(self.visualization_dump_dir)

        if do_sort:
            self.parser.images.image_list.sort(
                key=operator.attrgetter('file_name'))

        for coco_image in self.parser.images.image_list:
            coco_image = COCO_Image.buffer(coco_image)
            img_path = f"{self.img_dir}/{coco_image.file_name}"
            img = cv2.imread(img_path)
            coco_annotation_list = self.parser.annotations.get_annotations_from_imgIds(
                imgIds=[coco_image.id])
            bbox_list = []
            kpt_list_list = []
            kpt_skeleton_list = []
            kpt_label_list_list = []
            seg_list = []
            cat_name_list = []
            for coco_annotation in coco_annotation_list:
                coco_annotation = COCO_Annotation.buffer(coco_annotation)
                bbox = coco_annotation.bounding_box
                keypoint_list = coco_annotation.get_keypoint_list()
                kpt_list = [[kpt.x, kpt.y] for kpt in keypoint_list]
                seg = Segmentation.from_list(
                    points_list=coco_annotation.segmentation)
                bbox_list.append(bbox)
                kpt_list_list.append(kpt_list)
                seg_list.append(seg)
                coco_category = self.parser.categories.get_category_from_id(
                    id=coco_annotation.category_id)
                cat_name_list.append(coco_category.name)
                kpt_skeleton_list.append(coco_category.skeleton)
                kpt_label_list_list.append(coco_category.keypoints)
            self.save(img=img,
                      bbox_list=bbox_list,
                      kpt_list_list=kpt_list_list,
                      kpt_skeleton_list=kpt_skeleton_list,
                      kpt_label_list_list=kpt_label_list_list,
                      seg_list=seg_list,
                      cat_name_list=cat_name_list,
                      file_name=coco_image.file_name)
            if self.viz_limit is not None and self.viz_count >= self.viz_limit:
                break
コード例 #6
0
    def __init__(
            self,
            id: int,
            category_id: int,
            image_id: int,  # Standard Required
            segmentation: Segmentation = None,  # Standard Optional
            bbox: BBox = None,
            area: float = None,
            keypoints: Keypoint2D_List = None,
            num_keypoints: int = None,
            iscrowd: int = 0,
            keypoints_3d: Keypoint3D_List = None,
            camera: Camera = None  # Custom Optional
    ):
        super().__init__(id=id)
        # Standard Required
        self.category_id = category_id
        self.image_id = image_id

        # Standard Optional
        self.segmentation = segmentation if segmentation is not None else Segmentation(
            [])
        if bbox is not None:
            self.bbox = bbox
        else:
            if len(self.segmentation) > 0:
                self.bbox = self.segmentation.to_bbox()
            else:
                logger.error(
                    f'A COCO_Annotation needs to be given either a bbox or a non-empty segmentation at the very least to make a valid annotation.'
                )
                logger.error(
                    f'id: {id}, category_id: {category_id}, image_id: {image_id}'
                )
                raise Exception
        self.area = area
        self.keypoints = keypoints if keypoints is not None else Keypoint2D_List(
            [])
        self.num_keypoints = num_keypoints if num_keypoints is not None else len(
            self.keypoints)
        self.iscrowd = iscrowd

        # Custom Optional
        self.keypoints_3d = keypoints_3d
        self.camera = camera
コード例 #7
0
ファイル: objects.py プロジェクト: HienDT27/labelme2coco
 def get_instance_segmentation(self,
                               img: np.ndarray,
                               target_bgr: List[int] = None,
                               interval: int = 1,
                               exclude_invalid_polygons: bool = True):
     target_bgr = target_bgr if target_bgr is not None else self.get_color_from_id(
     )
     check_list_length(target_bgr, correct_length=3)
     lower_bgr = [
         val - interval if val - interval >= 0 else 0 for val in target_bgr
     ]
     upper_bgr = [
         val + interval if val + interval <= 255 else 255
         for val in target_bgr
     ]
     color_mask = cv2.inRange(src=img,
                              lowerb=tuple(lower_bgr),
                              upperb=tuple(upper_bgr))
     color_contours, _ = cv2.findContours(color_mask, cv2.RETR_EXTERNAL,
                                          cv2.CHAIN_APPROX_SIMPLE)
     seg = Segmentation.from_contour(
         contour_list=color_contours,
         exclude_invalid_polygons=exclude_invalid_polygons)
     return seg
コード例 #8
0
measure_dir = 'measure_coco/measure'
whole_number_dir = 'measure_coco/whole_number'
digit_dir = 'measure_coco/digit'
json_output_filename = 'output.json'

measure_dataset, whole_number_dataset, digit_dataset = dataset.split_measure_dataset(
    measure_dir=measure_dir,
    whole_number_dir=whole_number_dir,
    digit_dir=digit_dir,
    allow_no_measures=True,
    allow_missing_parts=True)

if False:  # Change to True if you want to remove all segmentation from the measure dataset.
    from common_utils.common_types.segmentation import Segmentation
    for coco_ann in measure_dataset.annotations:
        coco_ann.seg = Segmentation()

measure_dataset.display_preview(show_details=True,
                                window_name='Measure Dataset Preview')
logger.info(f'Saving Measure Dataset')
measure_dataset.save_to_path(f'{measure_dir}/{json_output_filename}',
                             overwrite=True)

whole_number_dataset.display_preview(
    show_details=True, window_name='Whole Number Dataset Preview')
logger.info(f'Saving Whole Number Dataset')
whole_number_dataset.save_to_path(f'{whole_number_dir}/{json_output_filename}',
                                  overwrite=True)

if False:  # For debugging 2-digit digit annotations
    del_ann_id_list = []
コード例 #9
0
                    for segmentation_list in item.segmentation:
                        if len(segmentation_list.to_list()) < 5:
                            logger.red(coco_image.coco_url)
                            logger.red(item.segmentation)
                            logger.red(f"segmentation has abnormal point count {segmentation_list}" )
                            continue 
                            
                        poly_shapely = segmentation_list.to_shapely()
                        poly_list = list(zip(*poly_shapely.exterior.coords.xy))
                        
                        line_non_simple = shapely.geometry.LineString(poly_list)
                        mls = shapely.ops.unary_union(line_non_simple)
                        polygons = list(shapely.ops.polygonize(mls))
                        poly_shapely = polygons

                        segmentation.append(Segmentation.from_shapely(poly_shapely))
    image, bbox, poly = handler(image=img, bounding_boxes=bbox, polygons=segmentation)
    poly = [Segmentation(polygon_list=[pol]) for pol in poly]
    print("total bbox after")
    
    for polygons in poly:
        image = draw_segmentation(img=image, segmentation=polygons, transparent=True)
    
    
    print("finished drawing handler")
    cv2.imshow("Window", image)
    cv2.waitKey(4000)
    cv2.imwrite(os.path.join(save_img_path,str(i)+'.jpg'),image)
    i+=1
コード例 #10
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from logger import logger
from common_utils.common_types.segmentation import Segmentation, Polygon
import numpy as np

contours = [
    np.array([[[0, 0]], [[1, 0]], [[1, 2]], [[0, 1]]]),
    np.array([[[0, 0]], [[1, 0]], [[1, 2]], [[0, 1]]]),
    np.array([[[1, 0]], [[2, 0]], [[2, 2]], [[1, 1]]]),
    np.array([[[1, 1]], [[2, 1]], [[2, 3]], [[2, 10]], [[1, 2]]]),
    np.array([[[50, 100]], [[100, 200]]])
]

# seg = Segmentation.from_contour(contour_list=contours)
seg = Segmentation.from_contour(contour_list=contours,
                                exclude_invalid_polygons=True)
logger.purple(seg)
コード例 #11
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    def _process_organized_part(self, organized_part: dict,
                                frame_img: np.ndarray,
                                whole_number_coco_image: COCO_Image,
                                measure_ann: COCO_Annotation,
                                whole_number_count: int, digit_dir: str):
        whole_number_cat = self.whole_number_dataset.categories.get_unique_category_from_name(
            'whole_number')
        whole_number_seg = None
        whole_number_abs_bbox = None

        seg_len_list = [
            len(part_ann.segmentation) for part_ann in organized_part['anns']
        ]
        if all([seg_len > 0 for seg_len in seg_len_list]):
            target = 'seg'
        elif all([seg_len == 0 for seg_len in seg_len_list]):
            target = 'bbox'
        else:
            logger.warning(
                f"There are empty segmentations among organized_part['anns'].")
            logger.warning(
                f"Cannot determine whether to merge segmentations or bounding boxes."
            )
            logger.warning(
                f"[len(part_ann.segmentation) for part_ann in organized_part['anns']]: {[len(part_ann.segmentation) for part_ann in organized_part['anns']]}"
            )
            logger.warning(
                f"organized_part['whole_names']: {organized_part['whole_names']}"
            )
            logger.warning(
                f"organized_part['part_names']: {organized_part['part_names']}"
            )
            logger.warning(f"Assuming target = 'bbox'")
            target = 'bbox'

        if target == 'seg':
            for part_ann in organized_part['anns']:
                whole_number_seg = whole_number_seg + part_ann.segmentation if whole_number_seg is not None else part_ann.segmentation
            whole_number_abs_bbox = whole_number_seg.to_bbox().to_int()
        elif target == 'bbox':
            whole_number_seg = Segmentation()
            for part_ann in organized_part['anns']:
                whole_number_abs_bbox = whole_number_abs_bbox + part_ann.bbox if whole_number_abs_bbox is not None else part_ann.bbox
            whole_number_abs_bbox = whole_number_abs_bbox.to_int()
        else:
            raise Exception

        whole_number_bbox_region = frame_img[
            whole_number_abs_bbox.ymin:whole_number_abs_bbox.ymax,
            whole_number_abs_bbox.xmin:whole_number_abs_bbox.xmax, :]
        whole_number_img_save_path = f'{digit_dir}/{get_rootname_from_filename(whole_number_coco_image.file_name)}_{whole_number_count}.{get_extension_from_filename(whole_number_coco_image.file_name)}'
        self._save_image(img=whole_number_bbox_region,
                         save_path=whole_number_img_save_path)
        digit_coco_image = COCO_Image.from_img_path(
            img_path=whole_number_img_save_path,
            license_id=0,
            image_id=len(self.digit_dataset.images))
        self.digit_dataset.images.append(digit_coco_image)

        measure_bbox_ref_point = Point2D(x=measure_ann.bbox.xmin,
                                         y=measure_ann.bbox.ymin)

        if target == 'seg':
            whole_number_seg = whole_number_seg - measure_bbox_ref_point  # relative to measure bbox
            whole_number_bbox = whole_number_seg.to_bbox(
            )  # relative to measure bbox
        elif target == 'bbox':
            whole_number_seg = Segmentation()  # Empty
            whole_number_bbox = whole_number_abs_bbox - measure_bbox_ref_point  # relative to measure bbox
        else:
            raise Exception

        whole_number_coco_ann = COCO_Annotation(
            id=len(self.whole_number_dataset.annotations),
            category_id=whole_number_cat.id,
            image_id=whole_number_coco_image.id,
            segmentation=whole_number_seg,
            bbox=whole_number_bbox,
            area=whole_number_bbox.area())
        self.whole_number_dataset.annotations.append(whole_number_coco_ann)

        for part_ann in organized_part['anns']:
            part_ann = COCO_Annotation.buffer(part_ann)
            coco_cat = self.categories.get_obj_from_id(part_ann.category_id)
            digit_cat = self.digit_dataset.categories.get_unique_category_from_name(
                coco_cat.name.split('part')[-1])
            whole_number_bbox_ref_point = measure_bbox_ref_point + Point2D(
                x=whole_number_bbox.xmin, y=whole_number_bbox.ymin)

            if target == 'seg':
                digit_seg = part_ann.segmentation - whole_number_bbox_ref_point
                digit_bbox = digit_seg.to_bbox()
            elif target == 'bbox':
                digit_seg = Segmentation()
                digit_bbox = part_ann.bbox - whole_number_bbox_ref_point
            else:
                raise Exception
            digit_coco_ann = COCO_Annotation(id=len(
                self.digit_dataset.annotations),
                                             category_id=digit_cat.id,
                                             image_id=digit_coco_image.id,
                                             segmentation=digit_seg,
                                             bbox=digit_bbox,
                                             area=digit_bbox.area())
            self.digit_dataset.annotations.append(digit_coco_ann)
コード例 #12
0
seg = Segmentation(
    [
        Polygon.from_list(
            points=[
                [0, 0], [1, 0], [1, 2], [0, 1]
            ],
            dimensionality=2,
            demarcation=True
        ),
        Polygon.from_list(
            points=[
                [0.5, 0], [1.5, 0], [1.5, 2], [0.5, 1]
            ],
            dimensionality=2,
            demarcation=True
        ),
        Polygon.from_list(
            points=[
                [1, 0], [2, 0], [2, 2], [1, 1]
            ],
            dimensionality=2,
            demarcation=True
        ),
        Polygon.from_list(
            points=[
                [1, 1], [2, 1], [2, 3], [2, 10], [1, 2]
            ],
            dimensionality=2,
            demarcation=True
        )
    ]
)
コード例 #13
0
    Point3D_List([point * const_int for point in poly3d_0.to_point3d_list()]))

assert poly2d_0 / const_float == Polygon.from_point2d_list(
    Point2D_List([point / const_float
                  for point in poly2d_0.to_point2d_list()]))
assert poly3d_0 / const_float == Polygon.from_point3d_list(
    Point3D_List([point / const_float
                  for point in poly3d_0.to_point3d_list()]))
assert poly2d_0 / const_int == Polygon.from_point2d_list(
    Point2D_List([point / const_int for point in poly2d_0.to_point2d_list()]))
assert poly3d_0 / const_int == Polygon.from_point3d_list(
    Point3D_List([point / const_int for point in poly3d_0.to_point3d_list()]))

print('Polygon Test Passed')

seg0 = Segmentation([poly2d_0, poly2d_1])
seg1 = Segmentation([poly2d_2])

assert seg0 + seg1 == Segmentation(seg0.polygon_list + seg1.polygon_list)
assert seg0 + pt2d_0 == Segmentation([poly + pt2d_0 for poly in seg0])
assert seg0 + kpt2d_0 == Segmentation([poly + kpt2d_0 for poly in seg0])
assert seg0 + const_int == Segmentation([poly + const_int for poly in seg0])
assert seg0 + const_float == Segmentation(
    [poly + const_float for poly in seg0])

assert seg0 - pt2d_0 == Segmentation([poly - pt2d_0 for poly in seg0])
assert seg0 - kpt2d_0 == Segmentation([poly - kpt2d_0 for poly in seg0])
assert seg0 - const_int == Segmentation([poly - const_int for poly in seg0])
assert seg0 - const_float == Segmentation(
    [poly - const_float for poly in seg0])
コード例 #14
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    def from_dict(cls, ann_dict: dict, strict: bool = True) -> COCO_Annotation:
        if strict:
            check_required_keys(ann_dict,
                                required_keys=[
                                    'segmentation', 'num_keypoints', 'area',
                                    'iscrowd', 'keypoints', 'image_id', 'bbox',
                                    'category_id', 'id'
                                ])
            return COCO_Annotation(
                segmentation=Segmentation.from_list(ann_dict['segmentation'],
                                                    demarcation=False),
                num_keypoints=ann_dict['num_keypoints'],
                area=ann_dict['area'],
                iscrowd=ann_dict['iscrowd'],
                keypoints=Keypoint2D_List.from_list(ann_dict['keypoints'],
                                                    demarcation=False),
                image_id=ann_dict['image_id'],
                bbox=BBox.from_list(ann_dict['bbox'], input_format='pminsize'),
                category_id=ann_dict['category_id'],
                id=ann_dict['id'],
                keypoints_3d=Keypoint3D_List.from_list(
                    ann_dict['keypoints_3d'], demarcation=False)
                if 'keypoints_3d' in ann_dict else None,
                camera=Camera.from_dict(ann_dict['camera_params'])
                if 'camera_params' in ann_dict else None)
        else:
            check_required_keys(
                ann_dict, required_keys=['id', 'category_id', 'image_id'])
            if 'segmentation' not in ann_dict:
                seg = None
            elif ann_dict['iscrowd'] == 1 and type(
                    ann_dict['segmentation']) == dict:
                compressed_rle = mask.frPyObjects(
                    ann_dict['segmentation'],
                    ann_dict['segmentation']['size'][0],
                    ann_dict['segmentation']['size'][1])
                seg_mask = mask.decode(compressed_rle)
                contours, _ = cv2.findContours(seg_mask, cv2.RETR_EXTERNAL,
                                               cv2.CHAIN_APPROX_SIMPLE)
                seg = Segmentation.from_contour(contour_list=contours)
            else:
                seg = Segmentation.from_list(ann_dict['segmentation'],
                                             demarcation=False)

            return COCO_Annotation(
                segmentation=seg,
                num_keypoints=ann_dict['num_keypoints']
                if 'num_keypoints' in ann_dict else None,
                area=ann_dict['area'] if 'area' in ann_dict else None,
                iscrowd=ann_dict['iscrowd'] if 'iscrowd' in ann_dict else None,
                keypoints=Keypoint2D_List.from_list(ann_dict['keypoints'],
                                                    demarcation=False)
                if 'keypoints' in ann_dict else None,
                image_id=ann_dict['image_id'],
                bbox=BBox.from_list(ann_dict['bbox'], input_format='pminsize')
                if 'bbox' in ann_dict else None,
                category_id=ann_dict['category_id'],
                id=ann_dict['id'],
                keypoints_3d=Keypoint3D_List.from_list(
                    ann_dict['keypoints_3d'], demarcation=False)
                if 'keypoints_3d' in ann_dict else None,
                camera=Camera.from_dict(ann_dict['camera_params'])
                if 'camera_params' in ann_dict else None)
コード例 #15
0
ファイル: objects.py プロジェクト: cm107/annotation_utils
    def to_coco(self,
                img_dir: str = None,
                mask_dir: str = None,
                coco_license: COCO_License = None,
                check_paths: bool = True,
                mask_lower_bgr: Tuple[int] = None,
                mask_upper_bgr: Tuple[int] = (255, 255, 255),
                show_pbar: bool = True) -> COCO_Dataset:
        dataset = COCO_Dataset.new(
            description='Dataset converted from Linemod to COCO format.')
        dataset.licenses.append(
            coco_license if coco_license is not None else COCO_License(
                url=
                'https://github.com/cm107/annotation_utils/blob/master/LICENSE',
                name='MIT License',
                id=len(dataset.licenses)))
        coco_license0 = dataset.licenses[-1]
        for linemod_image in self.images:
            file_name = get_filename(linemod_image.file_name)
            img_path = linemod_image.file_name if img_dir is None else f'{img_dir}/{file_name}'
            if file_exists(img_path):
                date_captured = get_ctime(img_path)
            else:
                if check_paths:
                    raise FileNotFoundError(
                        f"Couldn't find image at {img_path}")
                date_captured = ''
            coco_image = COCO_Image(license_id=coco_license0.id,
                                    file_name=file_name,
                                    coco_url=img_path,
                                    width=linemod_image.width,
                                    height=linemod_image.height,
                                    date_captured=date_captured,
                                    flickr_url=None,
                                    id=linemod_image.id)
            dataset.images.append(coco_image)

        pbar = tqdm(total=len(self.annotations),
                    unit='annotation(s)') if show_pbar else None
        if pbar is not None:
            pbar.set_description('Converting Linemod to COCO')
        for linemod_ann in self.annotations:
            mask_filename = get_filename(linemod_ann.mask_path)
            if mask_dir is not None:
                mask_path = f'{mask_dir}/{mask_filename}'
                if not file_exists(mask_path):
                    if check_paths:
                        raise FileNotFoundError(
                            f"Couldn't find mask at {mask_path}")
                    else:
                        seg = Segmentation()
                else:
                    seg = Segmentation.from_mask_path(mask_path,
                                                      lower_bgr=mask_lower_bgr,
                                                      upper_bgr=mask_upper_bgr)
            elif file_exists(linemod_ann.mask_path):
                seg = Segmentation.from_mask_path(linemod_ann.mask_path,
                                                  lower_bgr=mask_lower_bgr,
                                                  upper_bgr=mask_upper_bgr)
            elif img_dir is not None and file_exists(
                    f'{img_dir}/{mask_filename}'):
                seg = Segmentation.from_mask_path(f'{img_dir}/{mask_filename}',
                                                  lower_bgr=mask_lower_bgr,
                                                  upper_bgr=mask_upper_bgr)
            elif not check_paths:
                seg = Segmentation()
            else:
                raise FileNotFoundError(f"""
                    Couldn't resolve mask_path for calculating segmentation.
                    Please either specify mask_dir or correct the mask paths
                    in your linemod dataset.
                    linemod_ann.id: {linemod_ann.id}
                    linemod_ann.mask_path: {linemod_ann.mask_path}
                    """)
            if len(seg) > 0:
                bbox = seg.to_bbox()
            else:
                xmin = int(
                    linemod_ann.corner_2d.to_numpy(demarcation=True)[:,
                                                                     0].min())
                xmax = int(
                    linemod_ann.corner_2d.to_numpy(demarcation=True)[:,
                                                                     0].max())
                ymin = int(
                    linemod_ann.corner_2d.to_numpy(demarcation=True)[:,
                                                                     1].min())
                ymax = int(
                    linemod_ann.corner_2d.to_numpy(demarcation=True)[:,
                                                                     1].max())
                bbox = BBox(xmin=xmin, ymin=ymin, xmax=xmax, ymax=ymax)

            keypoints = Keypoint2D_List.from_point_list(linemod_ann.fps_2d,
                                                        visibility=2)
            keypoints_3d = Keypoint3D_List.from_point_list(linemod_ann.fps_3d,
                                                           visibility=2)
            num_keypoints = len(keypoints)

            if linemod_ann.category_id not in [
                    cat.id for cat in dataset.categories
            ]:
                linemod_cat = self.categories.get_obj_from_id(
                    linemod_ann.category_id)
                cat_keypoints = list(
                    'abcdefghijklmnopqrstuvwxyz'.upper())[:num_keypoints]
                cat_keypoints_idx_list = [
                    idx for idx in range(len(cat_keypoints))
                ]
                cat_keypoints_idx_list_shift_left = cat_keypoints_idx_list[
                    1:] + cat_keypoints_idx_list[:1]
                dataset.categories.append(
                    COCO_Category(
                        id=linemod_ann.category_id,
                        supercategory=linemod_cat.supercategory,
                        name=linemod_cat.name,
                        keypoints=cat_keypoints,
                        skeleton=[[start_idx, end_idx]
                                  for start_idx, end_idx in zip(
                                      cat_keypoints_idx_list,
                                      cat_keypoints_idx_list_shift_left)]))

            coco_ann = COCO_Annotation(
                id=linemod_ann.id,
                category_id=linemod_ann.category_id,
                image_id=linemod_ann.image_id,
                segmentation=seg,
                bbox=bbox,
                area=bbox.area(),
                keypoints=keypoints,
                num_keypoints=num_keypoints,
                iscrowd=0,
                keypoints_3d=keypoints_3d,
                camera=COCO_Camera(f=[linemod_ann.K.fx, linemod_ann.K.fy],
                                   c=[linemod_ann.K.cx, linemod_ann.K.cy],
                                   T=[0, 0]))
            dataset.annotations.append(coco_ann)
            if pbar is not None:
                pbar.update()
        if pbar is not None:
            pbar.close()
        return dataset