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An image recognition, image technology, applied in the field of pattern recognition, can solve the problem of low recognition speed
Active Publication Date: 2013-03-27
NEW FOUNDER HLDG DEV LLC +1
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[0012] The purpose of the present invention is to provide an image recognition method and device, which can solve the above-mentioned problem of low recognition speed
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Embodiment 1
[0053] Such as figure 1 As shown, the present embodiment provides an image recognition method, comprising the following steps:
[0054] Step S10 , obtain image feature information for the target image and the image to be recognized respectively, which respectively include: a set of geometric figure feature information, and image retrieval information formed by extracting statistical information from the set of geometric figure feature information.
[0055] Such as figure 2 As shown, an embodiment of obtaining image feature information respectively for the target image and the image to be recognized is provided, and step 10 includes:
[0056] Step 102, dividing the target image or the image to be recognized into multiple geometric figures;
[0057] Step 104, obtaining a set of geometric figure feature information for each geometric figure, which includes: obtaining geometric figure feature point information; extracting figure retrieval information; forming a set of geometric f...
Embodiment 2
[0282] The inventive method is described below with specific examples:
[0283] This example is for Figure 6 The target image shown and Figure 7 The image to be identified is identified and analyzed for similarity, including the following steps:
[0284] Step 501, right Figure 6 Find the feature information of the target image shown, and save the feature information of the target image;
[0285] By searching for pixels with similar boundary optical parameters, 6 closed curves are obtained, and these 6 closed curves constitute 6 geometric figures: t1~t6, such as Figure 8 shown;
[0286] For the geometric figures t1 to t6, the feature information of the geometric figure including reference points, a set of feature point information and retrieval information is calculated. The vector schematic diagrams of a group of feature point information of each geometric figure with the reference point as the extreme point are shown in the figure respectively. The geometric figure ...
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Abstract
The present invention discloses a recognition method for an image object, belonging to basic technology category of the pattern recognition field. The method comprises the following steps of: for an image object as the object and an image object to be recognized, calculating a set of geometric figure characteristic information and retrieval information which reflect main characteristics to form image object characteristic information; directly comparing and calculating the image object characteristic information to be recognized and the image object characteristic information as the object, so as to realize calculation and discrimination for overall similarity of the image objects; realizing quantitative discrimination for local similarity and diversity; and realizing difference discrimination of the rotated image object and the zoomed image object. The method in the present invention has the advantages that: the calculating method of the characteristic information is simple; calculation amount is greatly reduced; and a uniform recognition rule as well as a quick and accurate recognition effect are provided.
Description
technical field [0001] The invention relates to the field of pattern recognition, in particular to an image recognition method and device. Background technique [0002] Image recognition is an important basic technology in the field of pattern recognition. In artificial intelligence, computer vision, robotics, image target recognition, optical character reader (Optical Character Reader, OCR), military and other high-tech fields, image recognition technology plays a key role. Image recognition is realized based on the mathematical description method of image features, image feature information extraction technology and recognition technology using image feature information. [0003] Image recognition refers to the recognition of image objects carried in images. In a general sense, an image target is composed of multiple geometric figures with clear and identifiable boundaries according to a specific distribution. The characterization of image objects is based on the charac...
Claims
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