Method for a corresponding color display on the basis of spectral color impressions for different output applications

Abstract

A method for identical color display based on spectral data impressions for different output applications related to the digital data processing of color information values for different output applications and different color values according to usual standard regarding a controlled, loss-less and color-correct display of specific pre-defined color impressions with location-independent matching and adjusting of the color data. The method contains instructions for identifying and providing in an IT infrastructure specific color data as spectral data records that are converted and transmitted for an output application in real time into a device-specific color profile for a specific output device, taking into account query-dependent values. In a preferred application, material- and substance-specific data is taken into account during conversion. In another preferred application the spectral data records are provided for subsequent queries.

Claims

1. A computer-aided method for matching color display for different output applications, comprising the following instructions: a) an instruction for identifying specific color data as a spectral data record; b) instructions for storing the identified color data in a storage location in an IT infrastructure; c) an instruction for identifying a data query for an output application via the IT infrastructure; d) instructions for converting the color data into a value from the LAB color space that is advantageous for the queried application; e) an instruction for querying the device-specific color profile, in particular, the ICC profile for the specific output device; f) an instruction for converting the generated Lab data into the device-specific color gamut of the output device intended for the query; g) an instruction for transmitting the device-specific color data transformed from the generated Lab data to an output device intended for the query.

2. The method according to claim 1, characterized in that the color data to be identified in section a) of the method is approximatively calculated based on substance or material specifications.

3. The method according to claim 1, characterized in that for section a) of the method, the color data to be identified is provided for use from the color data already saved.

4. The method according to claim 1, characterized in that for the sections of the method, the color data in a cloud application is used.

5. The method according to claim 1, characterized in that the conversion of the Lab data to be performed in section f) of the method is performed into the device-specific color profile of a different infrastructure.

Description

(1) Additional features and advantages of the present invention result from the drawing below and the exemplary embodiment, based on which, without limiting the invention on these, the invention shall be exemplarily explained in more detail.

(2) FIG. 1 shows a flowchart and clarifies the hierarchies when transforming the image data from an unambiguous image description into image data with a LAB color space, which can be provided in a device-specific manner to various ICC profiles for concrete output media. In this manner, transformation of the image data is always performed from the data record with the larger color space profile.

(3) The color value saved as a spectral data record with the unambiguous and thus greatest color display options is, e.g., generated by a spectral measurement or by a structure in a digital design and saved in a manner queryable for the output application. Thus the user has the guarantee in the design process that regardless of the output application, the color impression specified by the design will be displayed in the output. For this purpose, when a transformed color data record for a specific output application is queried, the saved spectral data record is converted via a LAB data record into a device-specific value in order to repeat the color impression for the specific output application. For another output application, a LAB data record can again the generated based on the saved spectral data record. The LAB value can be queried as application-specific, and can thus be different.