Dear @ULFEnCMICCAI2025Participants, We are pleased to announce that the validation dataset for the ULF-EnC is now available! Please read the Submission guidelines (https://www.synapse.org/Synapse:syn65485242/wiki/631234). The validation phase officially begins on July 10th, 2025, when: The submission queue will be opened. Submission instructions will be released on the challenge website and GitHub. Prepare your enhanced image outputs following the provided structure and await the submission instructions to test your model on the hidden test set. We look forward to seeing your innovative solutions during the validation phase! Best regards, ULF-EnC Challenge Organizers MICCAI 2025