a hE@sddlZddlmZeedddZeedddZeeddd Zeedd d Zeedd d ZeedddZeedddZeedddZ dS)N)Tensor)boxesreturnc Cs\|d\}}}}|d|}|d|}|d|}|d|}tj||||fdd}|S)ad Converts bounding boxes from (cx, cy, w, h) format to (x1, y1, x2, y2) format. (cx, cy) refers to center of bounding box (w, h) are width and height of bounding box Args: boxes (Tensor[N, 4]): boxes in (cx, cy, w, h) format which will be converted. Returns: boxes (Tensor(N, 4)): boxes in (x1, y1, x2, y2) format. g?Zdimunbindtorchstack) rcxcywhx1y1x2y2rJ/var/www/auris/lib/python3.9/site-packages/torchvision/ops/_box_convert.py_box_cxcywh_to_xyxys     rc CsT|d\}}}}||d}||d}||}||}tj||||fdd}|S)ah Converts bounding boxes from (x1, y1, x2, y2) format to (cx, cy, w, h) format. (x1, y1) refer to top left of bounding box (x2, y2) refer to bottom right of bounding box Args: boxes (Tensor[N, 4]): boxes in (x1, y1, x2, y2) format which will be converted. Returns: boxes (Tensor(N, 4)): boxes in (cx, cy, w, h) format. rrr) rrrrrr r r rrrr_box_xyxy_to_cxcywhs   rcCs4|d\}}}}tj||||||gdd}|S)aX Converts bounding boxes from (x, y, w, h) format to (x1, y1, x2, y2) format. (x, y) refers to top left of bounding box. (w, h) refers to width and height of box. Args: boxes (Tensor[N, 4]): boxes in (x, y, w, h) which will be converted. Returns: boxes (Tensor[N, 4]): boxes in (x1, y1, x2, y2) format. rrr)rxyr rrrr_box_xywh_to_xyxy2s rcCs<|d\}}}}||}||}tj||||fdd}|S)a] Converts bounding boxes from (x1, y1, x2, y2) format to (x, y, w, h) format. (x1, y1) refer to top left of bounding box (x2, y2) refer to bottom right of bounding box Args: boxes (Tensor[N, 4]): boxes in (x1, y1, x2, y2) which will be converted. Returns: boxes (Tensor[N, 4]): boxes in (x, y, w, h) format. rrr)rrrrrr rrrr_box_xyxy_to_xywhBs rc Cs|j}| }|d\}}}}}|tjd}t|t|} } ||d| |d| } ||d| |d| } tj| | |||fdd}|r|| |}|S)a. Converts rotated bounding boxes from (cx, cy, w, h, r) format to (x1, y1, w, h, r) format. (cx, cy) refers to center of bounding box (w, h) refers to width and height of rotated bounding box (x1, y1) refers to top left of rotated bounding box r is rotation angle w.r.t to the box center by :math:`|r|` degrees counter clock wise in the image plan Args: boxes (Tensor[N, 5]): boxes in (cx, cy, w, h, r) format which will be converted. Returns: boxes (Tensor(N, 5)): rotated boxes in (x1, y1, w, h, r) format. rf@rr dtypeis_floating_pointrr picossinr round_to) rr need_castr r r rrr_radr!r"rrrrr_box_cxcywhr_to_xywhrTs   r(c Cs|j}| }|d\}}}}}|tjd}t|t|} } ||d| |d| } ||d| |d| } tj| | |||gdd}|r|| |}|S)a Converts rotated bounding boxes from (x1, y1, w, h, r) format to (cx, cy, w, h, r) format. (x1, y1) refers to top left of rotated bounding box (w, h) refers to width and height of rotated bounding box r is rotation angle w.r.t to the box center by :math:`|r|` degrees counter clock wise in the image plan Args: boxes (Tensor[N, 5]): rotated boxes in (x1, y1, w, h, r) format which will be converted. Returns: boxes (Tensor[N, 5]): rotated boxes in (cx, cy, w, h, r) format. rrrrr) rrr%rrr rr&r'r!r"r r rrr_box_xywhr_to_cxcywhrqs   r)c Cs|j}| }|d\}}}}}|tjd}t|t|} } ||| } ||| } | || } | || }||| }||| }tj||| | | |||fdd}|r|| |}|S)a Converts rotated bounding boxes from (x1, y1, w, h, r) format to (x1, y1, x2, y2, x3, y3, x4, y4) format. (x1, y1) refer to top left of bounding box (w, h) are width and height of the rotated bounding box r is rotation angle w.r.t to the box center by :math:`|r|` degrees counter clock wise in the image plan (x1, y1) refer to top left of rotated bounding box (x2, y2) refer to top right of rotated bounding box (x3, y3) refer to bottom right of rotated bounding box (x4, y4) refer to bottom left ofrotated bounding box Args: boxes (Tensor[N, 5]): rotated boxes in (cx, cy, w, h, r) format which will be converted. Returns: boxes (Tensor(N, 8)): rotated boxes in (x1, y1, x2, y2, x3, y3, x4, y4) format. rrrr)rrr%rrr rr&r'r!r"rrx3y3x4y4rrr_box_xywhr_to_xyxyxyxys         r.cCs|j}| }|d\}}}}}}} } t||||} | dtj} ||d||d} ||d||d}tj||| || fdd}|r|| |}|S)a Converts rotated bounding boxes from (x1, y1, x2, y2, x3, y3, x4, y4) format to (x1, y1, w, h, r) format. (x1, y1) refer to top left of the rotated bounding box (x2, y2) refer to bottom left of the rotated bounding box (x3, y3) refer to bottom right of the rotated bounding box (x4, y4) refer to top right of the rotated bounding box (w, h) refers to width and height of rotated bounding box r is rotation angle w.r.t to the box center by :math:`|r|` degrees counter clock wise in the image plan Args: boxes (Tensor(N, 8)): rotated boxes in (x1, y1, x2, y2, x3, y3, x4, y4) format. Returns: boxes (Tensor[N, 5]): rotated boxes in (x1, y1, w, h, r) format. rrr) rrrr atan2r sqrtr r#r$)rrr%rrrrr*r+r,r-r'r&r rrrr_box_xyxyxyxy_to_xywhrs  r2) r rrrrrr(r)r.r2rrrrs %