Gesture Recognition — MCQs | Digital Image Processing

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1. Which of the following is a common input device used for gesture recognition?



2. Which type of gestures involve movement over a period of time?



3. What is the main goal of gesture recognition in image processing?



4. Which of the following is NOT a gesture recognition technique?



5. What kind of model is often used for dynamic gesture recognition?



6. Which gesture recognition approach depends on extracting features like shape and motion?



7. Which algorithm is commonly used for classifying gestures in real-time?



8. Which method is used to detect hand gestures using depth information?



9. What is the role of skin color detection in gesture recognition?



10. Which type of neural network is especially useful for spatial and temporal gesture data?



11. What is a common challenge in gesture recognition systems?



12. Which hardware is most associated with gesture capture in 3D space?



13. Which of the following gestures is considered static?



14. Which method is used to analyze motion trajectories in gesture recognition?



15. Which gesture recognition technique is based on a predefined set of templates?



16. Which device offers both RGB and depth sensing for gesture analysis?



17. What does the preprocessing stage in gesture recognition usually involve?



18. Which algorithm helps in tracking hand movements over time?



19. What is used to represent temporal sequences in dynamic gesture recognition?



20. Which gesture recognition technique uses both position and motion information?



21. What feature is commonly extracted for hand shape analysis?



22. Which model is suitable for sequential gesture recognition?



23. Which algorithm is useful for gesture classification when the dataset is nonlinear?



24. What does hand gesture recognition help to achieve in HCI?



25. Which of the following sensors is NOT typically used in gesture recognition?



26. Which gesture recognition approach uses probabilistic transitions between states?



27. Which method is used to improve robustness to lighting conditions in hand gesture recognition?



28. Which of the following is a gesture-based interface?



29. What is the benefit of using depth information in gesture recognition?



30. Which of the following uses infrared sensing for gesture input?



31. In gesture recognition, what does ROI usually refer to?



32. Which of the following techniques can be used for feature dimensionality reduction?



33. What is the main limitation of 2D gesture recognition systems?



34. Which signal is commonly used in sensor-based gesture recognition systems?



35. What is the function of feature extraction in gesture recognition?



36. Which technique improves accuracy in noisy gesture environments?



37. Which of the following is NOT a challenge in gesture recognition?



38. Which color model is often used for skin detection in hand tracking?



39. Which is a real-world application of gesture recognition?



40. Which technique is useful for segmenting moving hands from the background?



41. Which factor is crucial in selecting gesture recognition hardware?



42. Which kind of gesture is used in air-writing applications?



43. Which method maps gesture data to pre-defined commands?



44. Which machine learning technique is widely applied in gesture classification?



45. In dynamic gestures, what helps differentiate similar-looking gestures?



46. Which of the following is a multimodal input for gesture recognition?



47. Which algorithm is used to track features across video frames?



48. What is one benefit of using CNN in gesture recognition?



49. Which software library is widely used for computer vision in gesture applications?



50. Which component is essential for recognizing hand gestures in real-time applications?



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