Dispersed Pixel Perturbation-Based Imperceptible Backdoor Trigger for Image Classifier Models.
Yulong WangMinghui ZhaoShenghong LiXin YuanWei NiPublished in: IEEE Trans. Inf. Forensics Secur. (2022)
Keyphrases
- input image
- image pixels
- pixel values
- neighboring pixels
- single image
- intensity values
- multiscale
- pixel classification
- image data
- pixel wise
- feature histograms
- feature selection
- gray level images
- grey level
- pixel level
- image representation
- displacement estimation
- image content
- bayesian framework
- homogeneous regions
- image classification
- image frames
- image segmentation
- gray value
- image features
- edge map
- extracted features
- pixel intensities
- digital images
- edge detection
- probabilistic model
- grey levels
- image regions
- image retrieval
- image quality
- adjacent pixels
- labeled images
- focal plane
- training data
- spatial information
- gaussian noise