Detectability chart board for detecting digital camera imaging quality and detection method

Abstract

A detectability drawing board for detecting imaging quality of a digital camera and a detection method, the detectability drawing board is manufactured according to the following steps of: firstly composing a resolution pattern from spatial frequency for lines of 101p / mm, 301p / mm, 501p / mm, 1001p / mm and 1251p / mm, and then taking the resolution patter as an unit for arrangement at a position of an edge viewing field of a digital camera normalization viewing field, a 0.7 viewing field and a central viewing field; the detection method comprises the following steps of: (1), determining an object distance 1 of the digital camera, preparing the resolution pattern and the detectability drawing board; (2) arranging the digital camera to be detected to the point 1 away from the detectability drawingboard, and making centre height of the digital camera equal to that of the detectability drawing board; (3) under a certain lighting condition, imaging the detectability drawing board by the digitalcamera to be detected; (4) and then analyzing image or picture thereof to obtain imaging performance of the digital camera.

Description

technical field [0001] The invention relates to a camera, in particular to a discriminative rate chart and a detection method for detecting the imaging quality of a digital camera. Background technique [0002] With the advancement of science and technology and the continuous improvement of people's living standards, digital cameras have entered more and more ordinary families as a mass consumer product. However, at the same time as digital cameras are popularized, due to the lack of relevant professional knowledge of the general public, they are often confused by the manufacturer's commercial propaganda when purchasing digital cameras, and ignore the image quality of the digital camera itself when purchasing digital cameras. Pay more attention to the pixels and styles of digital cameras. After using them, consumers will find that the digital cameras they buy cannot meet their shooting needs; Some defects have been detected, and consumers cannot protect their legitimate rig...

AI Technical Summary

Problems solved by technology

However, the above-mentioned devices are expensive, cumbersome to operate, and generally need to be used by professionals in a laboratory environment, so ordinary consumers usually cannot use these devices to test the digital cameras they buy.

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