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Systems and methods for encoding image features of high-resolution digital images of biological specimens

專利號(hào)
US11176412B2
公開日期
2021-11-16
申請(qǐng)人
Ventana Medical Systems, Inc.(US AZ Tucson)
發(fā)明人
Yao Nie
IPC分類
G06K9/00; G06K9/62; G06T7/11; G06K9/46
技術(shù)領(lǐng)域
superpixel,image,clustering,centroid,clusters,in,cluster,vectors,vector,biological
地域: AZ AZ Tucson

摘要

An image analysis system for analyzing biological specimen images is disclosed. The system may include: a superpixel generator configured to obtain a biological specimen image and group pixels of the biological specimen image into a plurality of superpixels; a feature extractor configured to extract, from each superpixel in the plurality of superpixels, a feature vector comprising a plurality of image features; a clustering engine configured to assign the plurality of superpixels to a predefined number of clusters, each cluster being characterized by a centroid vector of feature vectors of superpixels assigned to the cluster; and a storage interface configured to store, for each superpixel in the plurality of superpixels, clustering information identifying the one cluster to which the superpixel is assigned. The system may also include a graph engine configured construct a graph based on the stored information, and use the graph to perform a graph-based image processing task.

說(shuō)明書

FIGS. 3A and 3B show, respectively, an exemplary biological specimen image having different regions and the same image overlaid by a plurality of superpixels generated therefor;

FIGS. 3C and 3D show block diagrams of an exemplary image being processed by various modules of the image analysis system;

FIG. 4A shows an exemplary biological specimen image overlaid with results of a segmentation operation operating on non-compressed data;

FIG. 4B shows the exemplary biological specimen image of FIG. 4A, overlaid with results of a segmentation operation operating on compressed data;

FIG. 5 shows a flowchart of an exemplary method for encoding image features of a biological specimen image; and

FIG. 6 shows an exemplary computing system comprising a processing resource and a non-transitory computer-readable medium storing instructions executable by the processing resource.

DETAILED DESCRIPTION

權(quán)利要求

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