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Imaizumi Lab
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A lab that studies multimedia security and image coding.
AboutAbout the lab
Multimedia security and signal processing.
Imaizumi Lab specializes in multimedia security, image coding, image evaluation, and digital signal processing.
The lab focuses on image security and compression technologies, and also studies image processing methods that incorporate machine learning and color engineering.
The lab carries out international joint research with labs at overseas universities, and is also engaged in accepting international students and sending students abroad.
Doctoral, master's, and undergraduate students are enrolled, and they present their research at academic societies such as the Institute of Electronics, Information and Communication Engineers and the Society of Photography and Imaging of Japan.
Key terms
- Multimedia security
- A technical field for protecting the privacy and copyright of data such as images
- Image coding
- Technology that converts image data into a form suited to storage and transmission. Compression is one example
- Digital signal processing
- Technology that treats sound, images, and other signals as sequences of numbers and processes and analyzes them through computation
NewsLab news
A paper by a graduate of the lab is published in APSIPA Transactions on Signal and Information Processing
A master's student wins the Student Excellent Poster Award at the annual meeting of the Society of Photography and Imaging of Japan
A paper by a graduate of the lab is published in MDPI Information
A paper by a doctoral student is published in IEEE Access
ResearchResearch themes
As internet services expand, image privacy, copyright, and growing data volumes have become challenges. The lab focuses on image security and compression technologies to address these challenges.
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MembersFaculty
The members of Imaizumi Lab consist of faculty and doctoral, master's, and undergraduate students.As of 2026
- Associate ProfessorShoko Imaizumi
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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: “JPEG compression Example” JJ Harrison, side-by-side comparison by Ibrahim.ID / CC BY-SA 3.0 (cropped)
- Image Security and Compression: “Compression Ephesos” Guy vandegrift derived this from CNG, (uploaded by Odysses) / CC BY-SA 4.0 (cropped)
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