Image processing method, device and medium

An image processing device, comprising:

• a processor;
• and
• a memory configured to store instructions executable by the processor;
• wherein the processor is configured to:
• acquire candidate areas from an image to be processed, each of the candidate areas comprising a reference target;
• extract a predetermined characteristic of each of the candidate areas, wherein the predetermined characteristic comprises at least one of a color characteristic, a grain characteristic, a shape characteristic and a space relationship characteristic;
• calculate an evaluation value of each of the candidate areas according to the predetermined characteristic;
• and
• acquire a snapshot of the image to be processed according to the evaluation values,
• wherein the processor configured to acquire candidate areas from an image to be processed is further configured to:
• acquire the reference target of the image to be processed;
• and
• extract the candidate area comprising the reference target from the image to be processed according to a predetermined condition, wherein the predetermined condition comprises:
• if the candidate area comprises a portion of a remaining target other than the reference target, the candidate area is adjusted to comprise entirety of the remaining target;
• and
• wherein calculating an evaluation value of each of the candidate areas according to the predetermined characteristic comprises:
• calculating the evaluation value of the candidate area according to a predetermined image evaluating model and the predetermined characteristic extracted from the candidate area, wherein the predetermined image evaluating model is a model between predetermined characteristics and evaluation values and is acquired by training according to predetermined characteristics extracted from sample images and evaluation values of the sample images.

A non-transitory computer-readable storage medium having stored therein instructions that, when executed by a processor of a terminal device, cause the terminal device to perform an image processing method, the method comprising:

• acquiring candidate areas from an image to be processed, each of the candidate areas comprising a reference target;
• extracting a predetermined characteristic of each of the candidate areas,
• wherein the predetermined characteristic comprises at least one of a color characteristic, a grain characteristic, a shape characteristic and a space relationship characteristic;
• calculating an evaluation value of each of the candidate area according to the predetermined characteristic;
• and
• acquiring a snapshot of the image to be processed according to the evaluation values,
• wherein acquiring candidate areas from an image to be processed comprises:
• acquiring the reference target of the image to be processed;
• and
• extracting the candidate area comprising the reference target from the image to be processed according to a predetermined condition, wherein the predetermined condition comprises:
• if the candidate area comprises a portion of a remaining target other than the reference target, the candidate area is adjusted to comprise entirety of the remaining target;
• and
• wherein calculating an evaluation value of each of the candidate areas according to the predetermined characteristic comprises:
• calculating the evaluation value of the candidate area according to a predetermined image evaluating model and the predetermined characteristic extracted from the candidate area, wherein the predetermined image evaluating model is a model between predetermined characteristics and evaluation values and is acquired by training according to predetermined characteristics extracted from sample images and evaluation values of the sample images.