Method and apparatus for generating dots in image reproduction

An apparatus for generating dots in image reproduction, comprising:

• a binarization module for performing a binarization process on a threshold matrix of one or more basic dots according to level thresholds to obtain a set of level-binarization matrixes corresponding to the threshold matrix;
• a selection determination module for determining substitution binarization matrixes and auxiliary binarization matrixes from the set of level-binarization matrixes;
• a calculation module for performing a Boolean operation on the substitution binarization matrixes and the auxiliary binarization matrixes to generate resulted binarization matrixes;
• a substitution module for substituting binarization matrixes to be substituted in the set of level-binarization matrixes with the resulted binarization matrixes;
• a generation module for, according to the substituted set of level-binarization matrixes, forming a substituted threshold matrix, and generating shape-varied dots according to the substituted threshold matrix.

One or more computer-readable mediums having computer-executable instructions thereon, the instructions, when executed on a computer, executing a method of generating dots in image reproduction, the method comprising:

• performing a binarization process on a threshold matrix of one or more basic dots according to level thresholds to obtain a set of level-binarization matrixes corresponding to the threshold matrix;
• determining substitution binarization matrixes and auxiliary binarization matrixes from the set of level-binarization matrixes;
• performing a Boolean operation on the substitution binarization matrixes and the auxiliary binarization matrixes to generate resulted binarization matrixes;
• substituting binarization matrixes to be substituted in the set of level-binarization matrixes with the resulted binarization matrixes;
• and
• according to the substituted set of level-binarization matrixes, forming a substituted threshold matrix, and generating shape-varied dots according to the substituted threshold matrix.