# US 2021/0241023 A1 · Method for evaluating environmental noise of device, apparatus, medium and electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0241023 A1 - Document ID: US20210241023A1 - Status: Published application - Kind: A1 - Application number: 16/768,532 - Filed: 2019-12-13 - Published: 2021-08-05 - Earliest claimed: 2019-01-02 - Assignees: Beijing Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Applicants: Beijing BOE Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Inventors: Lin LIN; Jian SUN; Ziqiang GUO - Web page: https://patentgrep.com/patent/US20210241023A1 ## CPC - G06T 7/00: Image analysis - G06F 17/153: {Multidimensional correlation or convolution} - G06F 17/16: Matrix or vector computation {, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization (matrix transposition G06F7/78)} - G06T 5/50: using two or more images, e.g. averaging or subtraction - G06V 20/20: in augmented reality scenes - G06T 2207/20056: Discrete and fast Fourier transform, [DFT, FFT] - G06T 2207/20224: Image subtraction - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING ## Abstract The present disclosure provides a method, apparatus, medium, and electronic device for evaluating environmental noise of device. The method comprises obtaining original image data to be displayed; determining at least part of the original image data to be displayed as source data; obtaining comparison data according to the source data; obtaining a difference value according to the comparison data and the source data; and evaluating environmental noise of device according to the difference value. ## Claims ### Claim 1 A method for evaluating environmental noise of device, comprising: obtaining original image data to be displayed; determining at least part of the original image data to be displayed as source data; obtaining comparison data according to the source data; and obtaining a difference value according to the comparison data and the source data, and evaluating environmental noise of device according to the difference value, wherein the difference value is caused by a change of the comparison data and the source data during signal transmission. ### Claim 2 (depends on 1) The method according to claim 1, further comprising: storing the comparison data in an external memory; and sending the original image data to be displayed to an image display terminal. ### Claim 3 (depends on 1) The method according to claim 1, further comprising: generating target image data to be displayed according to the comparison data and the original image data to be displayed; and sending the target image data to be displayed to an image display terminal; wherein, in the target image data to be displayed, the comparison data and the source data are located in different address regions. ### Claim 4 (depends on 3) The method according to claim 3, wherein: the original image data to be displayed is an m*n image matrix, and the source data is k-th row data and/or j-th column data of the original image data to be displayed; and obtaining the comparison data according to the source data comprises: copying the k-th row data and/or the j-th column data as the comparison data, wherein m and n are positive integers greater than or equal to 1, k is a positive integer greater than or equal to 1 and less than or equal to m, and j is a positive integer greater than or equal to 1 and less than or equal to n. ### Claim 5 (depends on 4) The method according to claim 4, wherein: the comparison data is obtained by copying the k-th row data; and generating the target image data to be displayed according to the comparison data and the original image data to be displayed, comprises generating the target image data to be displayed as an (m+1)*n image matrix by: using the comparison data as i-th row data of the target image data to be displayed; and respectively using first to m-th row data of the original image data to be displayed as other row data of the target image data to be displayed other than the i-th row data, wherein i is a positive integer not equal to k, and greater than or equal to 1 and less than or equal to (m+1). ### Claim 6 (depends on 18) The method according to claim 18, wherein k is equal tom and i is equal to 1. ### Claim 7 (depends on 4) The method according to claim 4, wherein the comparison data is obtained by copying the j-th column data, and the generating the target image data to be displayed according to the comparison data and the original image data to be displayed, comprises generating the target image data to be displayed as an m*(n+1) image matrix by: using the comparison data as q-th column data of the target image data to be displayed; and using first to n-th column data of the original image data to be displayed as other column data of the target image data to be displayed other than the q-th column data, wherein q is a positive integer not equal to j, and greater than or equal to 1 and less than or equal to (n+1). ### Claim 8 (depends on 19) The method according to claim 19, wherein j is equal to n and q is equal to 1. ### Claim 9 A method for evaluating environmental noise of device, comprising: obtaining comparison data and original image data to be displayed, wherein at least part of the original image data to be displayed is source data, and the comparison data is obtained according to the source data; obtaining a difference value according to the source data and the comparison data; and evaluating environmental noise of device according to the difference value, wherein the difference value is caused by a change of the comparison data and the source data during signal transmission. ### Claim 10 (depends on 9) The method according to claim 9, wherein: the obtaining the comparison data and the original image data to be displayed, comprises: respectively receiving the comparison data sent by an external memory and the original image data to be displayed sent by a processor; or receiving target image data to be displayed comprising the comparison data and the original image data to be displayed sent by the processor; and in the target image data to be displayed, the comparison data and the source data are located in different address regions. ### Claim 11 (depends on 9) The method according to claim 9, wherein obtaining the difference value according to the source data and the comparison data comprises: obtaining the difference value by performing any one or more of AND operation, OR operation, covariance operation, correlation function operation, and convolution operation on the source data and the comparison data. ### Claim at position 12 12-13. (canceled) ### Claim 14 (depends on 1) The method according to claim 1, wherein the method is implemented through execution of a computer program executable by at least one hardware processor, the computer program being stored on a non-transitory computer-readable medium. ### Claim 15 (depends on 9) The method according to claim 9, wherein the method is implemented through execution of a computer program executable by at least one hardware processor, the computer program being stored on a non-transitory computer-readable medium. ### Claim 16 (depends on 1) The method according to claim 1, wherein the method is implemented by an apparatus comprising at least one hardware processor and a memory through execution of computer-readable instructions stored in the memory by the at least one hardware processor. ### Claim 17 (depends on 9) The method according to claim 9, wherein the method is implemented by an apparatus comprising at least one hardware processor and a memory through execution of computer-readable instructions stored in the memory by the at least one hardware processor. ### Claim 18 (depends on 5) The method according to claim 5, wherein respectively using first to m-th row data of the original image data to be displayed as other row data of the target image data to be displayed other than the i-th row data comprises: using first to (i−1)-th row data of the original image data to be displayed as first to (i−1)-th row data of the target image data to be displayed; using i-th row data of the original image data to be displayed as (i+1)-th row data of the target image data to be displayed; and using (i+1)-th to m-th row data of the original image data to be displayed as (i+2)-th to (m+1)-th row data of the target image data to be displayed. ### Claim 19 (depends on 7) The method according to claim 7, wherein using first to n-th column data of the original image data to be displayed as other column data of the target image data to be displayed other than the q-th column data comprises: using first to (q−1)-th column data of the original image data to be displayed as first to (q−1)-th column data of the target image data to be displayed; using q-th column data of the original image data to be displayed as (q+1)-th column data of the target image data to be displayed; and using (q+1)-th to n-th column data of the original image data to be displayed as (q+2)-th to (n+1)-th column data of the target image data to be displayed. ### Claim 20 A system for evaluating environmental noise of device, comprising: at least one hardware processor; and a memory having computer-readable instructions stored thereon that, when executed by the at least one hardware processor, direct the at least one hardware processor to: obtain comparison data and original image data to be displayed, wherein at least part of the original image data to be displayed is source data, and the comparison data is obtained according to the source data; obtain a difference value according to the source data and the comparison data; and evaluate environmental noise of device according to the difference value, wherein the difference value is caused by a change of the comparison data and the source data during signal transmission.