Crowd counting method and system based on switching convolutional network
A crowd counting, convolutional network technology, applied in the field of image processing, can solve problems such as difficult to deal with crowd occlusion, and achieve high accuracy and robustness.
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Embodiment 1
[0032] Such as figure 1 As shown, the present disclosure provides a crowd counting method based on switched convolutional networks, including:
[0033] S1. Divide the input image into blocks, and cut it into 9 non-overlapping parts, each of which is 1 / 3 of the length and width of the original image. Its purpose is to make the input image block can be regarded as having a single density, scale and perspective information, as a minimum unit for selecting a regressor;
[0034] S2. The image block is assigned a label to the input image block through the Switch-CNN classifier for classification, and a suitable CNN regressor is selected for density estimation;
[0035] The Switch-CNN classifier is a three-class classifier based on VGG16. The fully connected layer in VGG16 is removed, and the global average pooling (GAP) on Conv 5 features is used to remove spatial information and aggregate discriminative features. After the GAP is a smaller fully connected layer and a three-level ...
Embodiment 2
[0051] The present disclosure provides a crowd counting system based on switched convolutional networks, including:
[0052] A classification module, which is used to divide the target image into blocks, input the image block into the switching convolutional neural network, and classify it through the classifier according to the density;
[0053] A feature splicing module, which is used to extract the feature of the density map from the classified image block through the regressor, and obtain the feature map combined with the global density map feature through feature splicing for the obtained density map feature;
[0054] The calculation module is used to process the feature map combined with the global density feature through mean pooling and deconvolution layer processing to obtain the target estimated density map, and obtain the number of people in the target image by integrating the target estimated density map.
Embodiment 3
[0056] The present disclosure provides an electronic device, including a memory, a processor, and a computer program stored on the memory and operable on the processor, wherein the processor implements the switching based on Steps of a crowd counting method for convolutional networks.
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