Group-Equivariant UNet with Self-Supervised Color Space Based Representation Learning for Plant Disease Classification. - Sayoni Mandal; Bibek Das; Asfak Ali; Saptaparna Bagchi; Ayushman Ghosh; Amir-Ali Feiz; Khalifa Djemal; Sheli Sinha Chaudhuri (EUVIP, 2025)