Method for differentiating dynamic range of image
OwnerKuo-Jeng Wanginventor
Life of this patent
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Abstract
A method for differentiating dynamic range of image is disclosed. The method comprises the following steps. First of all, pixel numbers with the same level value of Density units Dn-1 and Dn are compared. Next the minimum pixel number of each level value of Density units Dn-1 and Dn are counted. Then the minimum pixel numbers of each level value of Density units Dn-1 and Dn are summed. Next the ratio of total minimum pixel number and total pixel number R and a specification value Rs are compared. Then whether R is smaller than Rs or not is determined so as to recognize whether Density units Dn-1 and Dn could be differentiated or not.
Claims36
An apparatus, comprising:
- a memory configured to store data associated with an image;
- and
- a controller configured to identify pixel distributions for different density elements of the image, the controller further configured to use the identified pixel distributions to differentiate the different density elements.
A method, comprising:
- storing image elements in a memory and analyzing the image elements using logic circuitry;
- identifying pixel-level distributions of the image elements;
- identifying an overlap area for the pixel-level distributions;
- and
- identifying the image elements as distinguishable or undistinguishable according to the identified overlap area.
A scanner, comprising:
- a sensor configured to generate data associated with pixels;
- and
- logic circuitry configured to detect pixel-level distributions for different density units and identify the pixels in the different density units having overlapping pixel-levels, the logic circuitry further configured to identify which of the different density units are distinguishable or undistinguishable according to the distribution of overlapping pixel-levels.
A computer readable medium having instructions stored thereon that, when executed by a computer platform, result in:
- receiving data associated with an image;
- and
- identifying image distributions for different density elements of the image and using the identified image distributions to differentiate the different density elements.
An apparatus, comprising:
- means for obtaining data associated with pixels;
- and
- means for identifying pixel-level distributions for different units, identifying the pixels in the different density units having overlapping pixel-levels, and identifying which of the different density units are distinguishable or undistinguishable according to the distribution of overlapping pixel-levels.
A method, comprising:
- instructing a device to store data associated with an image;
- and
- instructing the device to identify pixel distributions for different distribution elements of the image and use the identified pixel distributions to differentiate the different distribution elements.
Dependencies are inferred from the claim text.