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Multi-Perceptual Media Processing Lab
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The lab explores media information processing based on human perceptual characteristics.
AboutAbout the lab
The future society of knowledge and trust connected by perceptual media
The Multi-Perceptual Media Processing Lab studies media information processing technologies based on human perceptual characteristics.
Centered on images and video, the lab studies perceptual media from the perspectives of analysis, compression, protection, understanding, and representation, building on signal processing and machine learning.
Perceptual media equipped with functions suited to their purpose and usage environment are called "multi-perceptual media," and the lab studies technologies for them.
The lab also welcomes joint research and technical consultation with companies and research institutions.
Key terms
- Perceptual media
- Information, centered on images and video, that supports human communication, cognition, and judgment
- Perceptual encryption
- A method that protects images and video by encrypting them while aiming to keep their visual quality
- Steganography
- A technique for conveying one piece of information by hiding it inside other data
NewsLab news
Information sessions and open lab seminars held every Tuesday in October (an extra information session on Oct 13)
A paper with Associate Professor Taizo Suzuki as lead author was accepted by IEEE Signal Process. Lett.
A paper from joint research with Gifu University was accepted by IEICE Trans. Inf. & Syst.
A presentation from joint research with Hosei University and CA received the Outstanding Presentation Award at the Image Expression and Art Science Forum
Joint research with Gifu University was published in IEICE Trans. Inf. & Syst.
ResearchResearch themes
Perceptual media, centered on images and video, are used in many areas of society as an information infrastructure that supports human communication, cognition, and judgment. To realize perceptual media equipped with functions suited to their purpose and usage environment, the lab studies technologies ranging from analysis of their characteristics to compression, protection, understanding, and representation, building on signal processing and machine learning.
*Illustrative imageAnalysis to investigate the characteristics of perceptual media
This research clarifies the characteristics of perceptual media. It draws on the wavelet transform, spectral analysis, sparse representation, feature extraction, and related methods.
*Illustrative imageCompression for efficient storage and transmission
This research is about storing and transmitting perceptual media efficiently. The lab works on unified lossless/lossy coding, HDR image coding, RAW image coding, two-layer coding, and more.
*Illustrative imageProtection that balances security and quality
This research balances security with perceptual quality. The lab works on perceptual encryption, format-compliant encryption, information hiding, steganography, and more.
*Illustrative imageUnderstanding to capture the meaning of media
This research captures the meaning of media. The lab works on object detection, segmentation, scene understanding, image restoration, generative models, and more.
MembersFaculty
The members of the Multi-Perceptual Media Processing Lab consist of faculty, graduate students in the doctoral and master's programs, and undergraduate students.As of 2026
- Associate ProfessorTaizo Suzuki
- Project Assistant ProfessorSoma Yokota
VoicesStudent voices
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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: “Sound diffusor (left) in front of loudspeaker driver, on Sansui SP-Z6 Hi-Fi loudspeaker box 4-way” Alan Levine / CC BY 2.0 (cropped)
- Analysis to investigate the characteristics of perceptual media: “DIY Arduino LED screen for audio spectrum analyzer 2” Retired electrician / CC0 (cropped)
- Compression for efficient storage and transmission: “Laptop-hard-drive-exposed” Evan-Amos / CC BY-SA 3.0 (cropped)
- Protection that balances security and quality: “Enigma 1 cipher machine Museum of Communication Berlin INV. NO.” Museum für Kommunikation Berlin / CC BY-SA 4.0 (cropped)
- Understanding to capture the meaning of media: “DFC 3731 Busy city street with motorcycles cars and pedestrians passing shops and colorful buildings under tangled overhead wires” PattayaPatrol / CC BY-SA 4.0 (cropped)
- Related lab (Computational Geometry and Graphics Lab): “Apophysis 3D fractal ball” Garden / CC BY-SA 3.0 (cropped)
- Related lab (Computer Vision Lab): “Nikon 1 mount” Ivan Radic / CC BY 2.0 (cropped)
- Related lab (Mathematical Informatics Lab): “Galileo supercomputer rack” CINECA / CC BY 2.0 (cropped)
- Related lab (Applied Mathematical Systems Lab): “Engine Control Room Harmony of the Seas 2026” Larry D. Moore / CC BY 4.0 (cropped)
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