flip vertically the image of the thumbnails
flip vertically the image of the thumbnails

rdebroiz/medInria-public,NicolasSchnitzler/medInria-public,aabadie/medInria-public,aabadie/medInria-public,rdebroiz/medInria-public,rdebroiz/medInria-public,aabadie/medInria-public,NicolasSchnitzler/medInria-public,NicolasSchnitzler/medInria-public