Apparatuses and Methods Generating a Two-Dimensional Code with a Logo
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Abstract
A logo-added two-dimensional code creation device determines the color of a two-dimensional code to be superimposed on a logo image by adjusting the L value indicating the color lightness, whereby a logo-added two-dimensional code readable regardless of influence of post-printing processing and/or ambient light can be created. The logo-added two-dimensional code has smaller cells superimposed on the tiger character that can easily lose the design integrity than the cells superimposed on the background part, ensuring the design integrity of the logo image without impairing the readability of information.
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Citations
28 Claims
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1-14. -14. (canceled)
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15. A logo-added two-dimensional code creation device creating a logo-added two-dimensional code including a logo image in which a logo is depicted on a background and on which a two-dimensional code representing given information by a distribution pattern of cells arranged in a matrix is superimposed, the logo-added two-dimensional code creation device comprising:
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a logo image dividing means dividing the logo image presented by a Lab color space into multiple regions in accordance with the cells of the two-dimensional code to be superimposed; a cell setting means setting the L value of a first kind of cell among multiple kinds of cells forming the two-dimensional code based on the L value of a predetermined reference region among the multiple regions divided by the logo image dividing means; and a logo-added two-dimensional code creation means creating a logo-added two-dimensional code by superimposing on the logo image the first kind of cell of which the L value is set by the cell setting means and a second kind of cells different from the first kind among multiple kinds of cells forming the two-dimensional code. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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23. A logo-added two-dimensional code creation method for creating a logo-added two-dimensional code including a logo image in which a logo is depicted on a background and on which a two-dimensional code representing given information by a distribution pattern of cells arranged in a matrix is superimposed, the method comprising:
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(a) dividing the logo image presented by a Lab color space into multiple regions in accordance with the cells of the two-dimensional code to be superimposed; (b) setting the L value of a first kind of cells among multiple kinds of cells forming the two-dimensional code based on the L value of a predetermined reference region among the multiple regions divided in the logo image dividing step; and (c) creating a logo-added two-dimensional code by superimposing on the logo image the first kind of cells of which the L value is set in the cell setting step and a second kind of cells different from the first kind among multiple kinds of cells forming the two-dimensional code.
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24. A non-transitory computer readable medium storing a program allowing a computer of a logo-added two-dimensional code creation device creating a logo-added two-dimensional code consisting of a logo image in which a logo is depicted on a background and on which a two-dimensional code representing given information by a distribution pattern of cells arranged in a matrix is superimposed to execute:
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a logo image dividing procedure to divide the logo image presented by a Lab color space into multiple regions in accordance with the cells of the two-dimensional code to be superimposed; a cell setting procedure to set the L value of a first kind of cells among multiple kinds of cells forming the two-dimensional code based on the L value of a predetermined reference region among the multiple regions divided in the logo image dividing procedure; and a logo-added two-dimensional code creation procedure to create a logo-added two-dimensional code by superimposing on the logo image the first kind of cell of which the L value is set in the cell setting procedure and a second kind of cell different from the first kind among multiple kinds of cells forming the two-dimensional code.
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- 25. A logo-added two-dimensional code consisting of a logo image in which a logo is depicted on a background and on which a two-dimensional code representing given information by a distribution pattern of cells arranged in a matrix is superimposed, wherein the cells are different in size depending on which part of the logo image they are superimposed on.
Specification