Patent ID: 11922619
Assignee: KLA CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 1:
2. The inspection system of claim 1, wherein the generate one or more probabilistic context maps during inspection runtime using an unsupervised classifier further comprises:
generating target context data by removing a defect portion from the one or more test images;
providing the generated target context data to the unsupervised classifier; and
generating, using the unsupervised classifier, one or more generated reference images based on the generated target context data and the received one or more reference images;
calculating an entropy score;
calculating a negative log-likelihood score by comparing the one or more generated reference images from the unsupervised classifier and one or more actual images from the one or more received test image; and
generating the one or more probabilistic context maps based on the calculated entropy score and the negative log-likelihood score.