Greetings, I'm currently working on a project—an exercise app for Android—that aims to automatically calculate meditation time when the user's face is detected and they are in the correct meditation pose. If either condition is not met, the timer will pause. The project primarily consists of two core functions: 1. User Authorization: Utilizing face detection, the camera must identify the user's face during meditation sessions. 2. Pose Validation: Verifying if the user is in the correct meditation pose. My teacher recommended using MediaPipe for this endeavor. However, beyond this suggestion, there isn't much additional information. Could you provide some guidance or outline a development flow for this project?

What is TRUE about the mixture model and topic modeling? A. In topic modeling, the topic of each word is independently sampled, while in the mixture model, only one topic is drawn for each document. B. Only topic modeling can learn topics, while the mixture model does not yield such information after learning. C. Topic modeling can also be used for document clustering directly. Hi everyone, can you help me answer this question? Please choose only one answer.

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