Image quality evaluation device and method

1. An image quality evaluation device, comprising:

an image analyzer configured to analyze parameters of an image to obtain parameter values; and

an evaluation unit configured to evaluate quality of the image based on the parameter values according to a predetermined standard and generate an evaluation result,

wherein the image analyzer comprises a precision analyzer configured to obtain a precision of the image,

wherein the precision of the image comprises an amount of pixels in the image,

wherein the evaluation unit comprises a precision evaluation unit configured to evaluate the precision of the image by comparing the precision obtained by the precision analyzer to a predetermined standard precision value,

wherein the predetermined standard precision value comprises a preset amount of pixels, and

wherein the evaluation unit is configured to:

compare the amount of pixels in the image to the preset amount of pixels to determine whether the amount of pixels in the image is greater than or less than the preset amount of pixels;

determine that the quality of the image is acceptable when the amount of pixels in the image is greater than the preset amount of pixels; and

determine that the quality of the image is unacceptable when the amount of pixels in the image is less than the preset amount of pixels.

2. The image quality evaluation device according to claim 1 , wherein the image analyzer further comprises at least one of: a color analyzer, a position analyzer, a layout analyzer, and a definition analyzer, wherein each analyzer is respectively configured to analyze a color, a person position, a layout, and a definition of the image to obtain the respective parameter values, wherein the evaluation unit further comprises at least one of: a color evaluation unit, a position evaluation unit, a layout evaluation unit, and a definition evaluation unit, and wherein each evaluation unit is respectively configured to evaluate the parameter values of the color, the person position, the layout, and the definition of the image to generate the respective evaluation results.

3. The image quality evaluation device according to claim 2 , wherein the evaluation result generated by each evaluation unit includes numerical values that are determined by a uniform point scale.

4. The image quality evaluation device according to claim 3 , further comprising a weight arithmetic unit configured to calculate the numerical values generated by each evaluation unit in the uniform point scale according to a predetermined weight, and generate a weighted calculation result as a comprehensive evaluation result.

5. An image quality evaluation method, comprising:

analyzing parameters of an image to obtain parameter values;

evaluating a quality of the image based on the parameter values according to a predetermined standard; and

generating an evaluation result,

wherein analyzing the parameters of the image includes obtaining a precision of the image,

wherein the precision of the image comprises an amount of pixels in the image,

wherein evaluating the quality of the image includes evaluating the precision of the image by comparing the precision of the image to a predetermined standard precision value,

wherein the predetermined standard precision value comprises a preset amount of pixels, and

wherein evaluating the quality of the image comprises:

comparing the amount of pixels in the image to the preset amount of pixels to determine whether the amount of pixels in the image is greater than or less than the preset amount of pixels;

determining that the quality of the image is acceptable when the amount of pixels in the image is greater than the preset amount of pixels; and

determining that the quality of the image is unacceptable when the amount of pixels in the image is less than the preset amount of pixels.

6. The image quality evaluation method according to claim 5 , wherein analyzing the parameters of the image further includes at least one of: a color analysis, a position analysis, a layout analysis, and a definition analysis, wherein each analysis is respectively related to analyzing a color, a person position, a layout, and a definition, to obtain the respective parameter values, wherein evaluating the quality of the image further includes at least one of: a color evaluation, a position evaluation, a layout evaluation, and a definition evaluation, and wherein each evaluation is respectively related to evaluating the parameter values of the color, the person position, the layout, and the definition of the image, and generating the respective evaluation results.

7. The image quality evaluation method according to claim 6 , wherein the evaluation result generated in each type of evaluation includes numerical values determined by a uniform point scale.

8. The image quality evaluation method according to claim 7 , further comprising calculating the numerical values generated in each type of evaluation in the uniform point scale according to a predetermined weight, and generating a weighted calculation result as a comprehensive evaluation result.