where are the image segmentation masks?

[alre5639]

I have found everything I need in the dataset other than the semantic segmentation image masks. I have the following folder structure:
cameras.zip
house_segmentations.zip
image_overlap_data.zip
matterport_camera_intrinsics.zip
matterport_camera_poses.zip
matterport_color_images.zip
matterport_depth_images.zip
matterport_hdr_images.zip
matterport_mesh.zip
matterport_skybox_images.zip
poisson_meshes.zip
region_segmentations.zip
sens.zip
undistorted_camera_parameters.zip
undistorted_color_images.zip
undistorted_depth_images.zip
undistorted_normal_images.zip

Where do I find the pixel to image masks?