A method for detecting defects of special glass of a sunlight room based on panoramic images

CN122391203APending Publication Date: 2026-07-14QINGDAO DECHEN GREENHOUSE TECH CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner: QINGDAO DECHEN GREENHOUSE TECH CO LTD
Filing Date: 2026-05-29
Publication Date: 2026-07-14

AI Technical Summary

Technical Problem

Existing technologies make it difficult to accurately identify light transmittance defects in sunroom glass under different brightness conditions, especially to distinguish between light transmittance abnormalities on the sun-facing and shaded sides.

Method used

By installing a panoramic camera inside the sunroom, panoramic images are acquired, the sun's position is identified, a coordinate system is established, local blocks are segmented, a conversion function between pixel values and brightness is formed, the light transmittance coefficient is analyzed, and an error tolerance value is set to identify light transmittance anomalies.

Benefits of technology

Accurately identify light transmission defects in sunroom glass under different lighting conditions to avoid misjudgment and ensure that light transmission problems are identified and addressed at an early stage.

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Abstract

The application discloses a sunlight room special glass defect detection method based on panoramic images and relates to the technical field of image recognition, which comprises the following steps: establishing a coordinate system, obtaining the coordinates of a local block in the coordinate system; dividing the local block into a first local block and a second local block, forming a conversion function of pixel value and brightness, and pre-obtaining a light transmission preset coefficient of the special glass used by the sunlight room; analyzing the light transmission brightness of the local block; analyzing a first light transmission coefficient of the first local block and a second light transmission coefficient of the second local block; forming an error allowable value of the light transmission preset coefficient, and analyzing abnormal local blocks with abnormal light transmission. Through the identification of the position of the sun, the establishment of the coordinate system, the classification of the local block, the formation of the conversion function and the analysis of the first light transmission coefficient and the second light transmission coefficient, the light transmission defects of the glass used by the sunlight room can be accurately identified under different illumination conditions.

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