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DF KK!+VaZ ?E EaZ'ekk):A>A [[!)+UQY BF KK*EAIu =E EQY&U[[(91=A B B rB rB    e #B e $B f $B f %BK B B B B B B B B r'BG b2g %R /C Jr"c[R"5(a?UR(a.UR[R:waUR 5$U$r)ris_autocast_enabledis_cudar@doublefloat)tensors r maybe_castr\es7   ""v~~&,,%,,:V||~ r"T)dynamicc URn[U5n[U5nUR5u pn [R"X0R S9n [R"X@R S9n USS2S4R 5n U(aSOSnUSS2S4U-U- nUSS2S4U-U- nUSS2S4U-U- nUSS2S4U-U- nUU- nUU- nU(d*[R"US S 9n[R"US S 9nUU- nUU- nUS:nU(aUO[R"UU- 5nU(aUO[R"UU- 5nU(aR[UU-S5n[R"UUR S9n[R"UUR S9nSnSnOz[R"UU-SS 9n[R"XR S9n[R"XR S9nUSSS24USS2S4:nUSSS24USS2S4:nS nU"U5U SSS2S4U"U5--USSSS24S-RUR5U"UU- 5--n U"U5U SSS2S4U"U5--USSSS24S-RUR5U"UU- 5--n![X U U!UU5n"U(dJ[R"USS2SSSSS2S4U"S5n"[R"USS2SSSSSS24U"S5n"U"RS 5n#[U[R5(aU#USS2SSS4-n#OU#U-n#U#RU5n#U#$) Nr,rg?gr r r*r(cUSS2SS4$rr%)ts rfrom_K_roi_align..from_KsD$r"))r@r\r<rr/r-r>r=ceilmaxr?rUr.sum isinstancer)$r3rois spatial_scale pooled_height pooled_widthsampling_ratioaligned orig_dtyperArBrCphpwr4offset roi_start_w roi_start_h roi_end_w roi_end_h roi_width roi_height bin_size_h bin_size_wexact_samplingroi_bin_grid_hroi_bin_grid_wcountiyixr6r5rcr0r1rToutputs$ r _roi_alignrrsJ u E d D**,Aq% mLL 9B l<< 8B AJNN$MSFq!t*},v5Kq!t*},v5KQT ]*V3IQT ]*V3IK'I[(J KK s3 [[5 m+J\)J#a'N'5^5::jS`F`;aN'5^5::iR^F^;_NN^3Q7 \\. > \\. > N^;C \\& 6 \\% 547 nQW5547 nQW55  { T1d] fZ0 0 1 dD!m s " & &u{{ 3fZ.=X6Y Y Z { T1d] fZ0 0 1 dD!m s " & &u{{ 3fZ.=X6Y Y Z aE5 IC kk%4tQ <=sAFkk%4tT1 <=sAF WWX F%&&%4t+,,% YYz "F Mr"r3boxes output_sizerlrorpreturnc [RR5(d2[RR5(d[ [ 5 [ U5 Un[U5n[U[R5(d [U5n[RR5(d[5(aM[R"5(akUR(d"UR(dUR(a8[!UR"R$5(a['XX2SUSXE5$[)5 [R*R,R XX2SUSXE5$)a Performs Region of Interest (RoI) Align operator with average pooling, as described in Mask R-CNN. Args: input (Tensor[N, C, H, W]): The input tensor, i.e. a batch with ``N`` elements. Each element contains ``C`` feature maps of dimensions ``H x W``. If the tensor is quantized, we expect a batch size of ``N == 1``. boxes (Tensor[K, 5] or List[Tensor[L, 4]]): the box coordinates in (x1, y1, x2, y2) format where the regions will be taken from. The coordinate must satisfy ``0 <= x1 < x2`` and ``0 <= y1 < y2``. If a single Tensor is passed, then the first column should contain the index of the corresponding element in the batch, i.e. a number in ``[0, N - 1]``. If a list of Tensors is passed, then each Tensor will correspond to the boxes for an element i in the batch. output_size (int or Tuple[int, int]): the size of the output (in bins or pixels) after the pooling is performed, as (height, width). spatial_scale (float): a scaling factor that maps the box coordinates to the input coordinates. For example, if your boxes are defined on the scale of a 224x224 image and your input is a 112x112 feature map (resulting from a 0.5x scaling of the original image), you'll want to set this to 0.5. Default: 1.0 sampling_ratio (int): number of sampling points in the interpolation grid used to compute the output value of each pooled output bin. If > 0, then exactly ``sampling_ratio x sampling_ratio`` sampling points per bin are used. If <= 0, then an adaptive number of grid points are used (computed as ``ceil(roi_width / output_width)``, and likewise for height). Default: -1 aligned (bool): If False, use the legacy implementation. If True, pixel shift the box coordinates it by -0.5 for a better alignment with the two neighboring pixel indices. This version is used in Detectron2 Returns: Tensor[K, C, output_size[0], output_size[1]]: The pooled RoIs. rr )rjit is_scripting is_tracingr roi_alignrrrjrrr $are_deterministic_algorithms_enabledrXis_mpsis_xpurr-typerr ops torchvision)r3rrrlrorprks rrrs R 99 ! ! # #EII,@,@,B,BI&% D $K dELL ) )*40 99 ! ! # # ::<<%--SXS_S_chcoco"5<<#4#455e=a.+VW.Zhr r 99 * * ]NKNN r"c ^\rSrSrSrSS\\S\S\S\4U4Sjjjr S\ S \ \ \ \ 4S \ 4S jr S \4S jrS rU=r$)RoIAligniz See :func:`roi_align`. rrlrorpch>[TU]5 [U5 XlX lX0lX@lgr)super__init__r rrlrorp)selfrrlrorp __class__s rrRoIAlign.__init__ s/ D!&*, r"r3rkrcp[XURURURUR5$r)rrrlrorp)rr3rks rforwardRoIAlign.forwards.d&6&68J8JDL_L_aeamamnnr"c URRSURSURSURSUR S3 nU$)Nz (output_size=z, spatial_scale=z, sampling_ratio=z , aligned=))rrrrlrorp)rss r__repr__RoIAlign.__repr__s^~~&&'(++,t112 3 34   r")rprrorl)F)r __module__ __qualname____firstlineno____doc__rr>rZboolrrrlistrstrr__static_attributes__ __classcell__)rs@rrrs &s+      oVo5f1E+Fo6o #  r"r)r*reF)"rtypingrrtorch.fxrrtorch._dynamo.utilsrtorch.jit.annotationsrtorch.nn.modules.utilsrtorchvision.extensionr r utilsr _utilsrrr&rUr\rfxwraprr>rZrrModulerr%r"rrs 43(;'F&=DdUUp  8 8 f% &8#3'8 8  8  8 88vryyr"