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A method for image character detection and identification

A character and image technology, applied in the field of image character detection and identification, can solve the problems of misjudgment and difficulty in OCR recognition, and achieve the effect of improving product quality and human efficiency

Active Publication Date: 2017-03-01
SICHUAN CHANGHONG ELECTRIC CO LTD
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Problems solved by technology

In the automatic detection, it is necessary to detect the collected image characters. The general OCR character recognition method is widely used in the industry. In practical applications, due to the brightness, thickness, stroke breakage or adhesion of the characters in the collected image, OCR recognition is caused. There are many misjudgments and it is difficult to identify

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  • A method for image character detection and identification
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Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0018] A method for detecting and discriminating image characters, the method steps are: 1. making a standard black-and-white image of a corresponding character; 2. collecting a test image in real time, extracting and processing character positions...

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Abstract

The invention provides an image character detection and identification method which comprises the following steps: first, making a standard black-and-white image of a corresponding character; second, acquiring a test image in real time, extracting the position of the character and processing the test image into a test black-and-white image; and third, comparing the test black-and-white image obtained from the second step with the standard black-and-white image made in the first step to judge whether the test black-and-white image is qualified. The method can completely solve the problem that image characters cannot be identified in automatic flat-panel television test, promotes realization of automatic detection on flat-panel television core components and improves product quality and labor efficiency.

Description

technical field [0001] The invention relates to a method for detecting and discriminating image characters, in particular to a method for detecting and discriminating collected image characters suitable for the field of automatic testing of flat-panel TVs. Background technique [0002] Due to the limitation of incoming materials and production process in the process of processing the core components of flat-panel TVs, the core components after welding will have defects to varying degrees. The existing test and inspection methods are basically manual wiring or a bed of needles connected to the display screen, and the quality judgment of image defects is judged by manual visual inspection. This method has the influence of misjudgment and missed judgment caused by human subjective factors. And with the continuous rise of labor costs, automatic detection is gradually applied. In the automatic detection, it is necessary to detect the collected image characters. The general OCR c...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/20
Inventor 杨勇张晓韬骆少红
Owner SICHUAN CHANGHONG ELECTRIC CO LTD
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