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Method and device for determining feature value of image, storage medium and electronic device

A technology for determining methods and eigenvalues, applied in the field of communication, can solve the problem of low matching degree between stretching fitting function and samples, achieve the effect of stretching fitting function and sample matching degree, and reduce contingency

Active Publication Date: 2021-09-03
ZHEJIANG DAHUA TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Embodiments of the present invention provide a method and device, a storage medium, and an electronic device for determining the characteristic value of an image, so as to at least solve the problem of low matching between the stretching fitting function and the sample caused by random sampling in the related art

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  • Method and device for determining feature value of image, storage medium and electronic device
  • Method and device for determining feature value of image, storage medium and electronic device
  • Method and device for determining feature value of image, storage medium and electronic device

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Embodiment Construction

[0022] Embodiments of the present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0023] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

[0024] The method embodiments provided in the embodiments of the present application may be executed in mobile terminals, computer terminals or similar computing devices. Taking running on a mobile terminal as an example, figure 1 It is a hardware structural block diagram of a mobile terminal according to a method for determining an image feature value in an embodiment of the present invention. Such as figure 1 As shown, the mobile terminal may include one or more ( figure 1 Only one is shown in the figure) processor 102 (processor 102 may include but not limited to a processi...

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Abstract

The embodiment of the invention provides a method and a device for determining a feature value of an image, a storage medium and an electronic device. The method comprises the following steps: extracting a feature vector of an obtained target image; determining the similarity between the feature vector of the target image and the feature vector in the first feature vector set; adjusting the similarity to obtain the target similarity of the feature vector of the target image; and determining a feature value of the target image based on the target similarity. Through the method and the device, the problem of low matching degree of the tensile fitting function and the sample caused by contingency of random sampling in related technologies is solved, and the effect of the matching degree of the tensile fitting function and the sample is achieved.

Description

technical field [0001] Embodiments of the present invention relate to the communication field, and in particular, relate to a method and device for determining feature values ​​of an image, a storage medium, and an electronic device. Background technique [0002] Usually, the image search technology is realized by calculating the similarity of feature vectors through feature comparison. The calculation of the similarity of eigenvectors is usually by calculating the distance between two eigenvectors. The commonly used distance calculation methods usually include: Euclidean distance, cosine distance, Hamming distance, Jaccard similarity coefficient, etc. [0003] In the execution method of specific retrieval, a variety of methods have been introduced, including but not limited to (K-NearestNeighbor, referred to as KNN, the algorithm represents the vector of accurate recall topK), (Approximate NearestNeighbor, referred to as ANN, algorithm Represents the approximate K proximi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/583
CPCG06F16/583
Inventor 李伟马东星周道利
Owner ZHEJIANG DAHUA TECH CO LTD
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