Method for synthesizing human eye vision system perception effect in dark environment

A technology of human visual system and dark environment, which is applied in the field of synthesis of perception effects of human visual system in the night environment, can solve problems such as high cost, and achieve the effect of clear physical meaning, simple parameter system, and easy adjustment.
CN102136132AInactive Publication Date: 2011-07-27INST OF AUTOMATION CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF AUTOMATION CHINESE ACAD OF SCI
Publication Date
2011-07-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a method for synthesizing human eye vision system perception effect in a dark environment, which provides an intuitive control technology of human vision system perception effect in a night environment, in particular a dark environment for users. By the method, a user can designate an arbitrary target lighting environment by inputting lighting intensity and frequency spectrum, and the human eye vision system perception effect of a scene shown in a source image in the target lighting environment can be automatically synthesized. In the method, color frequency spectrum is reestablished according to the source image, and response of the retina cell under the source lighting environment is calculated; the adapting situation of the retina cell in the target light environment is simulated according to measurement data, and response of the adapted retina cell is calculated; and finally, the image is non-uniformly blurred by using a two-sided filter to make an acutance loss effect in the target lighting environment. Application of the method is not used in a night environment only, also can be used for synthesizing the human eye vision system perception effect in other lighting environments.
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Description

technical field

[0001] The invention belongs to the interdisciplinary technical field of combining computer vision and computer image processing, relates to image spectrum reconstruction, color adjustment and sharpness adjustment technology, and relates to an image-based human vision system in a night environment (especially in a dark environment). Synthetic methods for system-aware effects. Background technique

[0002] Ambient light conditions at night are often complex and include both natural light from the sky and light from artificial sources such as street lamps. The results of biological experiments indicate that the perception effect of the human visual system in such a lighting environment is very different from that in a bright environment. In the nighttime environment, the perception effect of the human visual system tends to have brightness changes, saturation reduction, and detail resolution reduction compared with the perception effect in bright environments....

Claims

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