Threshold determination method and device, image retrieval method and device, electronic equipment and storage medium
A determination method and image retrieval technology, applied in the field of image processing, can solve the problems of fixedness, low recognition accuracy of image retrieval, and single image retrieval threshold, so as to achieve the effect of improving accuracy and realizing personalized customization
Active Publication Date: 2020-09-04
HEFEI IFLYTEK TOYCLOUD TECH
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[0004] Embodiments of the present invention provide a threshold determination and image retrieval method, device, electronic equipment, and storage medium to solve the problem that the existing image retrieval threshold is single and fixed, resulting in low image retrieval recognition accuracy
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[0063] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0064] At present, when the smart reading device performs retrieval and recognition for images, it usually matches the image to be retrieved with each resource image, and compares the similarity obtained by matching each resource image with a preset matching threshold. Determine the correspondence between the image to be retrieved and...
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The embodiment of the invention provides a threshold determination method and device, an image retrieval method and device, electronic equipment and a storage medium. The threshold determination method comprises the steps: determining a plurality of test images corresponding to resource images with undetermined matching thresholds; matching each test image with the plurality of candidate resourceimages to obtain a matching score of each test image; based on the matching score of each test image, determining the feature identification degree of the resource image; and adjusting a matching threshold of the resource image based on the feature identification degree of the resource image. According to the method and device, the electronic equipment and the storage medium provided by the embodiment of the invention, personalized customization of the resource image matching threshold is realized, the problem of low image retrieval and recognition accuracy caused by applying a single and fixed matching threshold to different resource images is avoided, and the image retrieval and recognition accuracy is improved.
Description
Technical field [0001] The present invention relates to the technical field of image processing, in particular to a threshold determination and image retrieval method, device, electronic equipment and storage medium. Background technique [0002] With the rise of artificial intelligence and the development of computer vision technology, smart reading devices for reading physical books are becoming more and more popular. Among them, when a user uses a smart reading device to read a physical book, the smart reading device usually retrieves and recognizes the images taken by the smart reading device, so as to provide the user with multimedia content such as voice and video corresponding to the current page of the physical book. [0003] At present, when the smart reading device performs retrieval and recognition for images, it usually matches the image to be retrieved with each resource image, and compares the similarity obtained by matching each resource image with a preset matching ...
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IPC IPC(8): G06F16/53G06F16/583G06K9/62
CPCG06F16/53G06F16/583G06F18/22Y02D10/00
Inventor 王忍宝王晓斐
Owner HEFEI IFLYTEK TOYCLOUD TECH