Dispersed Pixel Perturbation-based Imperceptible Backdoor Trigger for Image Classifier Models.
Yulong WangMinghui ZhaoShenghong LiXin YuanWei NiPublished in: CoRR (2022)
Keyphrases
- input image
- image pixels
- image data
- grey level
- pixel values
- neighboring pixels
- image features
- intensity values
- pixel classification
- pixel level
- image classification
- single image
- edge map
- multiscale
- probabilistic model
- homogeneous regions
- pixel intensities
- image frames
- pixel wise
- extracted features
- image representation
- segmentation algorithm
- edge detection
- image retrieval
- gray level images
- image content
- gradient magnitude
- bayesian framework
- digital images
- high resolution
- training data
- image blocks
- feature selection
- image regions
- segmentation method
- gray value
- feature space