An information processing device, comprising: a setting unit configured to set at least one region of interest from one captured image constituting a dynamic image for a biological sample; an analysis object specifying unit configured to specify two measurement points on a contour line of the at least one region of interest and an inside of the at least one region of interest as at least one analysis object for the at least one region of interest; a detection unit configured to detect a motion of the at least one analysis object in other captured images of the dynamic image, using the region of interest from the one captured image as a reference; and an analysis unit configured to analyze a micro strain, indicating change amounts in local motions of the at least one analysis object, and a macro strain, indicating the magnitude of a change in a form of the at least one analysis object, of the biological sample related to the at least one region of interest on a basis of the detected motion of the at least one analysis object, wherein the detection unit detects motions of the two measurement points in the dynamic image and a motion of the inside of the at least one region of interest in the dynamic image; the analysis unit analyzes one of the micro strain and the macro strain on a basis of the motions of the two measurement points; and the analysis unit analyzes the other of the micro strain and the macro strain on a basis of the motion of the inside of the at least one region of interest. a setting unit configured to set at least one region of interest from one captured image constituting a dynamic image for a biological sample; an analysis object specifying unit configured to specify two measurement points on a contour line of the at least one region of interest and an inside of the at least one region of interest as at least one analysis object for the at least one region of interest; a detection unit configured to detect a motion of the at least one analysis object in other captured images of the dynamic image, using the region of interest from the one captured image as a reference; and an analysis unit configured to analyze a micro strain, indicating change amounts in local motions of the at least one analysis object, and a macro strain, indicating the magnitude of a change in a form of the at least one analysis object, of the biological sample related to the at least one region of interest on a basis of the detected motion of the at least one analysis object, wherein the detection unit detects motions of the two measurement points in the dynamic image and a motion of the inside of the at least one region of interest in the dynamic image; the analysis unit analyzes one of the micro strain and the macro strain on a basis of the motions of the two measurement points; and the analysis unit analyzes the other of the micro strain and the macro strain on a basis of the motion of the inside of the at least one region of interest. the detection unit detects motions of the two measurement points in the dynamic image and a motion of the inside of the at least one region of interest in the dynamic image; the analysis unit analyzes one of the micro strain and the macro strain on a basis of the motions of the two measurement points; and the analysis unit analyzes the other of the micro strain and the macro strain on a basis of the motion of the inside of the at least one region of interest.