XỬ LÝ ẢNH TRONG CƠ ĐIỆN TỬMachine Vision 1 TRƯỜNG ĐẠI HỌC BÁCH KHOA HÀ NỘI Giảng viên: TS... Video Processing with OpenCV... Video Processing with OpenCV... Video Processing with OpenCV.
Trang 1XỬ LÝ ẢNH TRONG CƠ ĐIỆN TỬ
Machine Vision
1
TRƯỜNG ĐẠI HỌC BÁCH KHOA HÀ NỘI
Giảng viên: TS Nguyễn Thành Hùng Đơn vị: Bộ môn Cơ điện tử, Viện Cơ khí
Hà Nội, 2021
Trang 26 Enhancement and Restoration
7 Action detection / recognition
8 Video Processing with OpenCV
Trang 3Video Processing
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7 Action detection / recognition
8 Video Processing with OpenCV
Trang 5Introduction
Trang 6Introduction
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7 Action detection / recognition
8 Video Processing with OpenCV
Trang 8Acquisition
Trang 9Acquisition
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7 Action detection / recognition
8 Video Processing with OpenCV
Trang 11Post-acquisition Processing
Trang 12Post-acquisition Processing
Trang 13Post-acquisition Processing
Trang 14Post-acquisition Processing
Trang 15Post-acquisition Processing
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7 Action detection / recognition
8 Video Processing with OpenCV
Trang 17Image Registration
Trang 18Image Registration
Trang 19Image Registration
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8 Video Processing with OpenCV
Trang 21Spatio-Temporal Processing
Trang 22Spatio-Temporal Processing
Trang 23Spatio-Temporal Processing
Trang 24Spatio-Temporal Processing
Trang 25Spatio-Temporal Processing
Trang 26Spatio-Temporal Processing
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7 Action detection / recognition
8 Video Processing with OpenCV
Trang 28Enhancement and Restoration
Trang 29Enhancement and Restoration
HDR
Trang 30Enhancement and Restoration
HDR
Trang 31Enhancement and Restoration
HDR
Trang 32Enhancement and Restoration
Trang 33Enhancement and Restoration
Trang 34Enhancement and Restoration
Example: Super-resolution
Trang 35Enhancement and Restoration
Example: Super-resolution
Trang 36Enhancement and Restoration
Trang 37Enhancement and Restoration
Trang 386 Enhancement and Restoration
7 Action detection / recognition
8 Video Processing with OpenCV
Trang 39Action detection / recognition
Trang 40Action detection / recognition
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7 Action detection / recognition
8 Video Processing with OpenCV
Trang 43Reading a video
Trang 44Reading a video
Trang 45Writing a video
Trang 46Writing a video
Trang 47Basic operations on videos
❖ Converting to grayscale
Trang 48Basic operations on videos
❖ Edge Detection
Trang 49Color tracking
❖ Convert RGB color space to HSV color space
❖ HSV color space is also consists of 3 matrices, HUE, SATURATION and VALUE In
OpenCV, value range for HUE, SATURATION and VALUE are respectively 0-179, 0-255 and 0-255
❖ HUE represents the color, SATURATION represents the amount to which that
respective color is mixed with white and VALUE represents the amount to which that respective color is mixed with black
❖ Hue values of basic colors: Orange 0-22; Yellow 22- 38; Green 38-75; Blue 75-130;
Violet 130-160; Red 160-179