An image processing device, comprising: a receiving device configured to receive a digital image of a sample in a sample cell on a sample plate generated by a microscopic device, wherein the digital image includes a scaling pattern; a storage device configured to store the digital image; and a processor configured to determine a magnification of the microscopic device based on the scaling pattern, wherein to determine the magnification of the microscopic device based on the scaling pattern, the processor is configured to: obtain the digital image generated by the microscopic device; determine a size of an image of the scaling pattern generated on an image sensor (101, 1401, 1901); and determine the magnification of the microscopic device based on a size of the scaling pattern on the sample plate and the size of the image of the scaling pattern generated on the image sensor (101, 1401, 1901); characterized in that, the scaling pattern is captured from the sample plate, the scaling pattern including a first mark for identifying the sample plate and a second mark for identifying the sample cell of the sample plate; and the processor is further configured to: determine a first serial number of the sample plate based on the first mark or determine a second serial number of the sample cell based on the second mark; determine a depth of the sample cell based on the first serial number or the second serial number; and analyze a sample of the digital image based on the magnification and the depth of the sample cell to obtain sample information related to the sample, wherein the sample information includes a concentration of the sample. a receiving device configured to receive a digital image of a sample in a sample cell on a sample plate generated by a microscopic device, wherein the digital image includes a scaling pattern; a storage device configured to store the digital image; and a processor configured to determine a magnification of the microscopic device based on the scaling pattern, wherein to determine the magnification of the microscopic device based on the scaling pattern, the processor is configured to: obtain the digital image generated by the microscopic device; determine a size of an image of the scaling pattern generated on an image sensor (101, 1401, 1901); and determine the magnification of the microscopic device based on a size of the scaling pattern on the sample plate and the size of the image of the scaling pattern generated on the image sensor (101, 1401, 1901); characterized in that, the scaling pattern is captured from the sample plate, the scaling pattern including a first mark for identifying the sample plate and a second mark for identifying the sample cell of the sample plate; and the processor is further configured to: determine a first serial number of the sample plate based on the first mark or determine a second serial number of the sample cell based on the second mark; determine a depth of the sample cell based on the first serial number or the second serial number; and analyze a sample of the digital image based on the magnification and the depth of the sample cell to obtain sample information related to the sample, wherein the sample information includes a concentration of the sample. obtain the digital image generated by the microscopic device; determine a size of an image of the scaling pattern generated on an image sensor (101, 1401, 1901); and determine the magnification of the microscopic device based on a size of the scaling pattern on the sample plate and the size of the image of the scaling pattern generated on the image sensor (101, 1401, 1901); characterized in that, the scaling pattern is captured from the sample plate, the scaling pattern including a first mark for identifying the sample plate and a second mark for identifying the sample cell of the sample plate; and the processor is further configured to: determine a first serial number of the sample plate based on the first mark or determine a second serial number of the sample cell based on the second mark; determine a depth of the sample cell based on the first serial number or the second serial number; and analyze a sample of the digital image based on the magnification and the depth of the sample cell to obtain sample information related to the sample, wherein the sample information includes a concentration of the sample. determine a first serial number of the sample plate based on the first mark or determine a second serial number of the sample cell based on the second mark; determine a depth of the sample cell based on the first serial number or the second serial number; and analyze a sample of the digital image based on the magnification and the depth of the sample cell to obtain sample information related to the sample, wherein the sample information includes a concentration of the sample.