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Image Processing Lab
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A lab that studies line recognition that is unaffected by contrast.
AboutAbout the lab
Understanding images through line recognition.
Associate Professor Yukiyasu Yoshinaga studies "line recognition," which enables computers to understand images.
The lab investigates a line recognition method, based on the distribution of orientations of intensity gradient vectors, that is not affected by contrast.
By applying this method to medical images, the lab is building computer-aided diagnosis systems.
The professor belongs to the Acoustic Design Course in the Faculty of Design, with specialties in image processing and signal processing.
Key terms
- Intensity Gradient Vector
- The direction and strength of change in image brightness at each location, represented like an arrow.
- Contrast
- The difference between the bright and dark areas of an image.
- Computer-Aided Diagnosis System
- A system in which computers support the diagnostic process.
ResearchResearch themes
Line recognition is a very important theme for enabling computers to understand images. This research deals with a line recognition method based on the distribution of orientations of intensity gradient vectors, and its application to medical images.
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MembersFaculty
- Associate ProfessorYukiyasu Yoshinaga
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Fundus photograph of a healthy right eye (OD) from a myopic female Asian patient. Age 22” OptometrusPrime / CC BY-SA 2.0 (cropped)
- Line Recognition Unaffected by Contrast: “(edge detection) of Crimson Cabinet, Winter Palace” Eduard Hau / Public domain (cropped)
- Related lab (Image Processing Lab (Yukiyasu Yoshinaga)): “Testbuilding” Ectech2000 / CC BY-SA 4.0 (cropped)
- Related lab (Pattern Recognition Lab): “Flying Ladybug pixel art mosaic” Copyleft / CC BY-SA 4.0 (cropped)
- Related lab (Pattern Recognition Lab (Kohei Inoe)): “PatternRecognition1” Jean Constant / CC BY-SA 4.0 (cropped)
- Related lab (Image Analysis and Processing Lab): “Cityscape and skyline by the Copenhagen Lakes, Denmark - ( )” Kristoffer Trolle from Copenhagen, Denmark / CC BY 2.0 (cropped)
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