Method and apparatus for determining whether an image is an image with address information
An address information and image technology, applied in the field of image processing, can solve the problems of time-consuming text detection, positioning and recognition process, network application burden, etc.
Active Publication Date: 2020-06-02
FUJITSU LTD
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[0003] Because the web page contains multiple pictures, the process of text detection, positioning and recognition using the traditional OCR (Optical Character Recognition) method is often very time-consuming, causing a huge burden on network applications
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[0021] Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. It should be understood, however, that in developing any such practical embodiment, many implementation-specific decisions must be made in order to achieve the developer's specific goals, such as meeting those constraints related to the system and business, and those Restrictions may vary from implementation to implementation. Moreover, it should also be understood that development work, while potentially complex and time-consuming, would at least be a routine undertaking for those skilled in the art having the benefit of this disclosure.
[0022] Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the device structure and / or processing steps closely related to the ...
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The invention relates to a method and device for determining whether an image is an image with address information. The method comprises: performing binarization on the original image to obtain a binarized image and extracting connected components in the binarized image; performing noise filtering on the connected components, and fusing overlapping connected components in the noise-filtered connected components, And establish a new binary image; perform line projection on the new binary image to obtain multiple lines; determine whether there is a text line in the original image according to the geometric distribution of the connected components in each line; if there is no text line, Then determine that the original image is an image without address information, otherwise, further determine whether the original image is an image with address information according to the stroke width and color distribution of the connected components in each row; if the original image is not determined as an image without address information, then further determine whether the original image is an image with address information according to the H channel color of the connected components in each row.
Description
technical field [0001] The present invention relates to the field of image processing, in particular to a method and device for determining whether an image is an image with address information. Background technique [0002] For some current network applications, such as map navigation, users can conveniently use the address of the target location in the webpage. However, for security reasons, addresses are usually included in the picture. [0003] Because a web page contains multiple pictures, the process of text detection, positioning and recognition using traditional OCR (Optical Character Recognition) methods is often very time-consuming and imposes a huge burden on network applications. [0004] It is expected to provide a method and device capable of quickly and effectively classifying webpage images into text and non-text categories. Contents of the invention [0005] A brief overview of the invention is given below in order to provide a basic understanding of som...
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IPC IPC(8): G06K9/32
CPCG06V20/62
Inventor 刘伟范伟孙俊
Owner FUJITSU LTD