Posture comparison method, electronic device, and computer-readable storage medium

An electronic device, comprising:

• a non-transitory storage circuit, storing a program code;
• and
• a processor, coupled to the non-transitory storage circuit, accessing the program code, and configured to execute:
• obtaining M first image frames of a first video stream within a specific time interval, and obtaining N second image frames of a second video stream within the specific time interval, where M and N are positive integers;
• determining K first joint points corresponding to K specified body joints of a first user in each of the first image frames, and determining K second joint points corresponding to the K specified joints in each of the second image frames, wherein the K first joint points respectively correspond to the K second joint points, and K is a positive integer;
• obtaining a m-th first image frame among the M first image frames and a n-th second image frame among the N second image frames, where 1≤m≤M and 1≤n≤N;
• and
• determining a difference between each of the first joint points and each of the corresponding second joint points in the m-th first image frame and the n-th second image frame, and determining a posture difference degree corresponding to the specific time interval accordingly;
• wherein the step of determining the difference between each of the first joint points and each of the corresponding second joint points in the m-th first image frame and the n-th second image frame, and determining the posture difference degree corresponding to the specific time interval accordingly comprises:
• determining a reference three-dimensional data structure based on the difference between each of the first joint points and each of the corresponding second joint points in the m-th first image frame and the n-th second image frame, wherein the reference three-dimensional data structure comprises K reference two-dimensional data structures, and the reference three-dimensional data structure has M×N×K reference data element;
• determining a first two-dimensional data structure through combining the K reference two-dimensional data structures, wherein the first two-dimensional data structure has M×N first data elements;
• and
• determining the posture difference degree corresponding to the specific time interval based on the determining first data elements.

A posture recommendation method, applied to an electronic device, comprising:

• obtaining M first image frames of a first video stream within a specific time interval, and obtaining N second image frames of a second video stream within the specific time interval, where M and N are positive integers;
• determining K first joint points corresponding to K specified body joints of a first user in each of the first image frames, and determining K second joint points corresponding to the K specified body joints of a second user in each of the second image frames, wherein the K first joint points respectively correspond to the K second joint points, and K is a positive integer;
• obtaining a m-th first image frame among the M first image frames and a n-th second image frame among the N second image frames, wherein 1≤m≤M and 1≤n≤N;
• and
• determining a difference between each of the first joint points and each of the corresponding second joint points in the m-th first image frame and the n-th second image frame, and providing a posture correction recommendation corresponding to the specific time interval accordingly;
• wherein the step of determining the difference between each of the first joint points and each of the corresponding second joint points in the m-th first image frame and the n-th second image frame, and determining the posture difference degree corresponding to the specific time interval accordingly comprises:
• determining a reference three-dimensional data structure based on the difference between each of the first joint points and each of the corresponding second joint points in the m-th first image frame and the n-th second image frame, wherein the reference three-dimensional data structure comprises K reference two-dimensional data structures, and the reference three-dimensional data structure has M×N×K reference data element;
• determining a first two-dimensional data structure through combining the K reference two-dimensional data structures, wherein the first two-dimensional data structure has M×N first data elements;
• and
• determining the posture difference degree corresponding to the specific time interval based on the determining first data elements.