o
    Ďiq)                     @  s,  d dl mZ d dlmZ d dlZd dlZd dlmZm	Z	 d dl
mZ d dlmZmZmZ d dlmZ d dlmZmZ G d	d
 d
eZdGddZdHddZdIddZdJddZdKddZdLd#d$ZdMd'd(ZdNd)d*ZdOd.d/ZdOd0d1Z	3dPdQd8d9Z dRd;d<Z!dOd=d>Z"dSd@dAZ#dTdCdDZ$dUdEdFZ%dS )V    )annotations)SequenceN)MultiPolygonPolygon)GeometryCollection)BoundingBoxCategoryMask)ObjectPrediction)ShapelyAnnotationget_shapely_multipolygonc                      s\   e Zd Z fddZdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Z  ZS )ObjectPredictionListc                   s   || _ t   d S N)listsuper__init__)selfr   	__class__ R/home/jeff/fluffinator/venv/lib/python3.10/site-packages/sahi/postprocess/utils.pyr      s   zObjectPredictionList.__init__c                 C  sn   t |st|tjr| }t|trt| j| gS t|t	tfr0t
| jj|}tt|S tt| r   )torch	is_tensor
isinstancenpndarraytolistintr   r   tuplemap__getitem__NotImplementedErrortype)r   iaccessed_mappingr   r   r   r       s   
z ObjectPredictionList.__getitem__c                 C  s   t |st|tjr| }t|tr|| j|< d S t|ttfrWt	|t	|kr-t
 t|trEt|jD ]\}}|| j|| < q7d S t|D ]\}}|| j|| < qId S tt| r   )r   r   r   r   r   r   r   r   r   len
ValueErrorr   	enumerater!   r"   )r   r#   elemindelr   r   r   __setitem__   s   

z ObjectPredictionList.__setitem__c                 C  
   t | jS r   r%   r   r   r   r   r   __len__0      
zObjectPredictionList.__len__c                 C  r,   r   )strr   r.   r   r   r   __str__3   r0   zObjectPredictionList.__str__c                 C  s   | j |j  d S r   )r   extend)r   object_prediction_listr   r   r   r3   6   s   zObjectPredictionList.extendc                 C     t | S r   )object_prediction_list_to_torchr.   r   r   r   totensor9      zObjectPredictionList.totensorc                 C  r5   r   )object_prediction_list_to_numpyr.   r   r   r   tonumpy<   r8   zObjectPredictionList.tonumpyc                 C  s   t | jdkr| jd S | jS )N   r   r-   r.   r   r   r   r   ?   s   
zObjectPredictionList.tolist)__name__
__module____qualname__r   r    r+   r/   r2   r3   r7   r:   r   __classcell__r   r   r   r   r      s    r   shapely_polygonr   returnc                 C  sv   | j s9| d}|j r9t|tr|S t|tr t|jdd dS t|tr9dd |jD }|r7t|dd dS | S | S )zDFix polygons :param shapely_polygon: Shapely polygon object :return:r   c                 S     | j S r   areapr   r   r   <lambda>N       z repair_polygon.<locals>.<lambda>)keyc                 S     g | ]	}t |tr|qS r   r   r   .0geomr   r   r   
<listcomp>P       z"repair_polygon.<locals>.<listcomp>c                 S  rB   r   rC   rE   r   r   r   rG   Q   rH   )is_validbufferr   r   r   maxgeomsr   )r@   fixed_polygonpolygonsr   r   r   repair_polygonF   s   



rW   shapely_multipolygonr   c                 C  sf   | j s1| d}|j r1t|tr|S t|trt|gS t|tr1dd |jD }|r/t|S | S | S )zkFix invalid MultiPolygon objects :param shapely_multipolygon: Imported shapely MultiPolygon object :return:r   c                 S  rJ   r   rK   rL   r   r   r   rO   a   rP   z'repair_multipolygon.<locals>.<listcomp>)rQ   rR   r   r   r   r   rT   )rX   fixed_geometryrV   r   r   r   repair_multipolygonV   s   




rZ   segmentationlist | list[list]c                 C  s   t | trtdd | D r| g} nt | tr!tdd | D r!ntdg }| D ]}tt|ddd |ddd }t|}|t| q)tt	|}|S )zYFix segment data in COCO format :param segmentation: segment data in COCO format :return:c                 S  s   g | ]}t |t qS r   r   r   rM   segr   r   r   rO   i   s    z0coco_segmentation_to_shapely.<locals>.<listcomp>c                 S  s   g | ]}t |tqS r   r]   r^   r   r   r   rO   k   s    z'segmentation must be List or List[List]N   r;   )
r   r   allr&   zipr   appendrW   rZ   r   )r[   polygon_listcoco_polygon
point_listr@   rX   r   r   r   coco_segmentation_to_shapelyg   s   "rg   r4   torch.tensorc                 C     t | }tj|dgtjd}t| D ]+\}}tj| j tjd||ddf< | j	j
||df< | jj||df< q|S )zX
    Returns:
        torch.tensor of size N x [x1, y1, x2, y2, score, category_id]
       dtypeN      )r%   r   zerosfloat32r'   tensorr   bboxto_xyxyscorevaluecategoryid)r4   num_predictionstorch_predictionsr)   object_predictionr   r   r   r6   {      &r6   
np.ndarrayc                 C  ri   )zV
    Returns:
        np.ndarray of size N x [x1, y1, x2, y2, score, category_id]
    rj   rk   Nrm   rn   )r%   r   ro   rp   r'   arrayr   rr   rs   rt   ru   rv   rw   )r4   rx   numpy_predictionsr)   rz   r   r   r   r9      r{   r9   box1list[int] | np.ndarraybox2	list[int]c                 C  s^   t | } t |}t | dd |dd }t | dd |dd }tt ||fS )ze
    Args:
        box1 (List[int]): [x1, y1, x2, y2]
        box2 (List[int]): [x1, y1, x2, y2]
    Nr`   )r   r}   minimummaximumr   concatenate)r   r   left_topright_bottomr   r   r   calculate_box_union   s
   

r   boxfloatc                 C  s    | d | d  | d | d   S )z9
    Args:
        box (List[int]): [x1, y1, x2, y2]
    r`   r      r;   r   r   r   r   r   calculate_area   s    r   c                 C  sX   t | dd |dd }t | dd |dd }|| jdd}|d |d  S )z{
    Args:
        box1 (np.ndarray): np.array([x1, y1, x2, y2])
        box2 (np.ndarray): np.array([x1, y1, x2, y2])
    Nr`   r   )minr;   )r   r   r   clip)r   r   r   r   width_heightr   r   r   calculate_intersection_area   s   r   pred1r
   pred2c                 C  sJ   t | j }t |j }t|}t|}t||}||| |  S )z4Returns the ratio of intersection area to the union.)r   r}   rr   rs   r   r   )r   r   r   r   area1area2	intersectr   r   r   calculate_bbox_iou   s   
r   c                 C  sN   t | j }t |j }t|}t|}t||}t ||}|| S )zAReturns the ratio of intersection area to the smaller box's area.)r   r}   rr   rs   r   r   r   )r   r   r   r   r   r   r   smaller_arear   r   r   calculate_bbox_ios   s   
r   IOU      ?
match_typer1   match_thresholdboolc                 C  s:   |dkrt | ||k}|S |dkrt| ||k}|S t )Nr   IOS)r   r   r&   )r   r   r   r   threshold_conditionr   r   r   	has_match   s   r   r	   c                 C  s   | j }|j }t|jd}t|jd}|jrt|j}|jr&t|j}||}t|ds6t|g}n
tdd |j	D }t
|d }t||j|jdS )Nr   rT   c                 S  s    g | ]}t |tr|d qS )r   )r   r   rR   )rM   gr   r   r   rO      s     z#get_merged_mask.<locals>.<listcomp>)multipolygon)r[   
full_shapeshift_amount)maskr   r[   rR   is_emptyrg   unionhasattrr   rT   r   to_coco_segmentationr	   r   r   )r   r   mask1mask2poly1poly2
union_polyr   r   r   r   get_merged_mask   s$   



r   c                 C  s   dd | |fD }t |S )Nc                 S  s   g | ]}|j jqS r   )rt   ru   )rM   predr   r   r   rO      s    z$get_merged_score.<locals>.<listcomp>)rS   )r   r   scoresr   r   r   get_merged_score   s   r   r   c                 C  s(   | j  }|j  }tt||d}|S )Nr   )rr   rs   r   r   )r   r   r   r   rr   r   r   r   get_merged_bbox   s   

r   r   c                 C  s   | j j|j jkr| jS |jS r   )rt   ru   rv   )r   r   r   r   r   get_merged_category  s   r   c           	   	   C  sp   | j j}t| |}t| |}t| |}| jr%|jr%t| |}|j}|j}nd }d }t	|
 ||j|j|||dS )N)rr   rt   category_idcategory_namer[   r   r   )rr   r   r   r   r   r   r   r[   r   r
   rs   rw   name)	r   r   r   merged_bboxmerged_scoremerged_categorymerged_maskr[   r   r   r   r   merge_object_prediction_pair	  s&   



r   )r@   r   rA   r   )rX   r   rA   r   )r[   r\   )r4   r   rA   rh   )r4   r   rA   r|   )r   r   r   r   rA   r   )r   r   rA   r   )r   r|   r   r|   rA   r   )r   r
   r   r
   rA   r   )r   r   )
r   r
   r   r
   r   r1   r   r   rA   r   )r   r
   r   r
   rA   r	   )r   r
   r   r
   rA   r   )r   r
   r   r
   rA   r   )r   r
   r   r
   rA   r
   )&
__future__r   collections.abcr   numpyr   r   shapely.geometryr   r   shapely.geometry.collectionr   sahi.annotationr   r   r	   sahi.predictionr
   sahi.utils.shapelyr   r   r   rW   rZ   rg   r6   r9   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>   s6    
7













