Abstract: There is disclosed a website management device including a memory that stores an administrator DID and an administrator private key, a communication interface that communicates with a blockchain network, and at least one processor, and the at least one processor submits a first transaction for creating a URI authentication document to the blockchain network, the first transaction including an administrator digital signature created based on the administrator private key, the first URI, and an access rule for data included in the first URI, and retrieves a remittance transaction having a blockchain account on the blockchain network corresponding to the administrator DID as a recipient, the remittance transaction including a fee statement prepared based on the access rule included in the first URI authentication document. In addition to the above, various embodiments identified through the specification are possible.

Abstract: A magnetic resonance imaging (MRI) apparatus and a control method thereof are provided. The MRI apparatus includes a scanner, and a controller configured to control the scanner to receive magnetic resonance (MR) signals corresponding to a magnitude of a y-axis gradient magnetic field in a respiration cycle of a patient, each of the MR signals being received at a time interval equal to a time period of the respiration cycle over a number of the received MR signals. The MRI apparatus further includes a processor configured to extract an MR signal received in a respiration condition of the patient from the received MR signals, fill a k-space with the extracted MR signal, and generate an MR image by reconstructing data of the filled k-space.

Abstract: A magnetic resonance imaging (MRI) apparatus and a control method thereof are provided. The MRI apparatus includes a scanner, and a controller configured to control the scanner to receive magnetic resonance (MR) signals corresponding to a magnitude of a y-axis gradient magnetic field in a respiration cycle of a patient, each of the MR signals being received at a time interval equal to a time period of the respiration cycle over a number of the received MR signals. The MRI apparatus further includes a processor configured to extract an MR signal received in a respiration condition of the patient from the received MR signals, fill a k-space with the extracted MR signal, and generate an MR image by reconstructing data of the filled k-space.