# US 2010/0166302 A1 · Image quality evaluation device and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0166302 A1 - Document ID: US20100166302A1 - Status: Published application - Kind: A1 - Application number: 12/642,231 - Filed: 2009-12-18 - Published: 2010-07-01 - Earliest claimed: 2008-12-26 - Assignees: Huawei Technologies Co., Ltd. - Inventors: Hongjie Yao - Web page: https://patentgrep.com/patent/US20100166302A1 ## CPC - H04N 17/004: {for digital television systems} - G06T 7/0002: {Inspection of images, e.g. flaw detection} - G06T 2207/30168: Image quality inspection - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ## Abstract An image quality evaluation device is disclosed in the present invention, including: an image analyzer, adapted to analyze the parameters of an image to obtain parameter values; and an evaluation unit, adapted to evaluate the quality of an image based on parameter values in line with the predetermined standard and generate the evaluation result. An image quality evaluation method is disclosed in the present invention, including: analyze the parameters of an image to obtain parameter values; and evaluate the quality of an image based on parameter values in line with the predetermined standard and generate the evaluation result. An image quality evaluation device and method provided in the present invention are used to analyze the parameters of an image with the image recognition technology to obtain parameter values and then generate the parameter values in line with the predetermined standard. In this way, the photo quality can be evaluated automatically in the present invention to decrease the exhausted manpower and improve the entertainment function. ## Claims ### Claim 1 An image quality evaluation device, comprising: an image analyzer, adapted to analyze parameters of an image to obtain parameter values; and an evaluation unit, adapted to evaluate a quality of the image based on the parameter values according to a predetermined standard and generate an evaluation result. ### Claim 2 (depends on 1) The image quality evaluation device according to claim 1, wherein: the image analyzer includes at least one of: color analyzer, position analyzer, layout analyzer, precision analyzer, and definition analyzer, and is respectively adapted to analyze a color, person position, layout, precision, and definition of an image to obtain relevant parameter values; and correspondingly, the evaluation unit includes at least one of: color evaluation unit, position evaluation unit, layout evaluation unit, precision evaluation unit, and definition evaluation unit, and is respectively adapted to analyze the parameter values of the color, person position, layout, precision, and definition of the image to generate relevant evaluation results. ### Claim 3 (depends on 2) The image quality evaluation device according to claim 2, wherein: the evaluation result generated by each evaluation unit covers numerical values that are determined by a uniform point scale. ### Claim 4 (depends on 3) The image quality evaluation device according to claim 3, further comprising: a weight arithmetic unit, adapted to calculate the numerical values that are generated by the evaluation unit in the uniform point scale according to a predetermined weight and generate a weighted calculation result as a comprehensive evaluation result. ### Claim 5 (depends on 1) The image quality evaluation device according to claim 1, wherein: the analyzer is a color analyzer, adapted to analyze the color of the image with the image recognition technology and generate the parameter values of color; and the evaluation unit is a color evaluation unit, adapted to evaluate the quality of the image on the basis of the parameters of color output by the color analyzer. ### Claim 6 (depends on 1) The image quality evaluation device according to claim 1, wherein: the analyzer is a position analyzer, adapted to analyze the position of scenes and/or people in a photo to generate the relevant result; and the evaluation unit is a position evaluation unit, adapted to evaluate the position on the basis of the parameter values generated by the position analyzer in line with the predetermined standard for position evaluation. ### Claim 7 (depends on 1) The image quality evaluation device according to claim 1, wherein: the analyzer is a layout analyzer, adapted to analyze the layout of the image with the image recognition technology; and the evaluation unit is a layout evaluation unit, adapted to evaluate the difference between the image and typical layout according to the standard of several predetermined typical layout schemes. ### Claim 8 (depends on 1) The image quality evaluation device according to claim 1, wherein: the image analyzer is a definition analyzer, adapted to analyze the definition of the image by obtaining the boundary or outline of scenes, people, and other objects in the image with the image recognition technology; and the evaluation unit is a definition evaluation unit, adapted to evaluate the difference between the definition of the image and the predetermined standard definition value. ### Claim 9 (depends on 1) The image quality evaluation device according to claim 1, wherein: the image analyzer is a precision analyzer, adapted to distinguish the precision of the image; and the evaluation unit is a precision evaluation unit, adapted to evaluate the precision of the image output by the precision analyzer on the basis of the predetermined standard precision value. ### Claim 10 An image quality evaluation method, comprising: analyzing parameters of an image to obtain parameter values; and evaluating a quality of the image based on the parameter values according to a predetermined standard, and generating an evaluation result. ### Claim 11 (depends on 10) The image quality evaluation method according to claim 10, wherein: the analyzing of the parameters of the image comprises at least one of: color analysis, position analysis, layout analysis, precision analysis, and definition analysis, which are respectively related to analyzing color, person position, layout, precision, and definition, to obtain relevant parameter values; and the evaluating of the quality of the image based on the parameter values according to the predetermined standard comprises at least one of: color evaluation, position evaluation, layout evaluation, precision evaluation, and definition evaluation, which are respectively related to evaluating the parameter values of the color, person position, layout, precision, and definition of the image, and then relevant evaluation results are output. ### Claim 12 (depends on 11) The image quality evaluation method according to claim 11, wherein: the evaluation results generated in each evaluation step refer to numerical values determined by a uniform point scale. ### Claim 13 (depends on 12) The image quality evaluation method according to claim 12, further comprising: calculating the numerical values that are generated in the evaluation step in the uniform point scale according to a predetermined weight, and generating a weighted calculation result as a comprehensive evaluation result.