*My post explains Image Classification(Recognition), Object Localization, Object Detection and Image Segmentation.
Computer Vision is the technology which enables a computer to understand and analyze the visual things such as images, videos, etc.
(1) Keypoint Detection(Landmark Detection):
- can localize the distinctive points of the objects or interest regions in an image to analyze the visual content:
*Memos:
- The image can be one frame in a video.
- Object Localization or Image Classification and Object Localization(Object Detection) is used.
- can be used to recognize face, its emotion, the pose of person, clothes, etc.
(2) Image Matching:
- can determine that the objects and interest regions in multiple images are the same or similar by comparing their distinctive points.
- is the advanced technology of Keypoint Detection.
- can be used to match faces, finger prints, etc.
(3) Object Tracking:
- can track the objects and interest regions in a video(multiple frames captured in sequence) with bounding boxes. *The video can be multiple images captured in sequence.
- is the advanced technology of Object Detection.
- is used for Surveillance, Autonomous Vehicles, Virtual Reality, Manufacturing, Unmanned Stores, etc.
(4) Optical Flow:
- can detect and visualize the motion(velocity) of the objects and interest regions in a video(multiple frames captured in sequence):
*Memos:
- Velocity is the spped and direction of a moving object.
- The video can be multiple images captured in sequence.
- is the branched technology of Object Tracking.
- is used for Surveillance, Traffic Monitoring, Motion Analysis, etc.
(5) Stereo Matching:
- can create a 3D scene from two or more 2D stereo images by computing disparity:
*Memos:
- A 2D stereo image is the similar image taken from a different position.
- Disparity is the distance between two or more corresponding pixels in the stereo images.
- is used for Robotics.
(6) Video Prediction can predict future video frames from past video frames.
(7) Image Captioning:
- can generate textual descriptions for images.
- is the generative AI which is the combination of Computer Vision and Natural Language Processing(NLP).
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