a6236b789b8f4e2e66c8379199f40ecef9afce06,mmdet/core/anchor/anchor_generator.py,AnchorGenerator,valid_flags,#AnchorGenerator#Any#Any#Any#,84

Before Change

        valid_x[:valid_w] = 1
        valid_y[:valid_h] = 1
        valid_xx, valid_yy = self._meshgrid(valid_x, valid_y)
        valid = valid_xx & valid_yy
        valid = valid[:,
                      None].expand(valid.size(0),
                                   self.num_base_anchors).contiguous().view(-1)
        return valid

After Change

            list(torch.Tensor): Valid flags of anchors in multiple levels.
        
        assert self.num_levels == len(featmap_sizes)
        multi_level_flags = []
        for i in range(self.num_levels):
            anchor_stride = self.strides[i]
            feat_h, feat_w = featmap_sizes[i]
            h, w = pad_shape[:2]

Instances