activity
20242026
collaborators

10 papers

eess.IV2026

Training-Free Continuous Bitrate Control for Scalable Image Coding for Humans and Machines

Yui Tatsumi, Hiroshi Watanabe

Continuous variable-rate compression is highly demanded in real-world applications, but remains underexplored in scalable image coding for humans and machines. In this paper, we pr…

cs.CV2026

GVCC: Zero-Shot Video Compression via Codebook-Driven Stochastic Rectified Flow

Ziyue Zeng, Xun Su, Haoyuan Liu +3

At ultra-low bitrates, high-fidelity reconstruction requires sampling plausible videos from the posterior rather than regressing to oversmoothed conditional means. We propose Gener…

eess.IV2025

Training-Free Adaptive Quantization for Variable Rate Image Coding for Machines

Yui Tatsumi, Ziyue Zeng, Hiroshi Watanabe

Image Coding for Machines (ICM) has become increasingly important with the rapid integration of computer vision technology into real-world applications. However, most neural networ…

cs.CV2025

Seed Selection for Human-Oriented Image Reconstruction via Guided Diffusion

Yui Tatsumi, Ziyue Zeng, Hiroshi Watanabe

Conventional methods for scalable image coding for humans and machines require the transmission of additional information to achieve scalability. A recent diffusion-based approach…

eess.IV2025

Explicit Residual-Based Scalable Image Coding for Humans and Machines

Yui Tatsumi, Ziyue Zeng, Hiroshi Watanabe

Scalable image compression is a technique that progressively reconstructs multiple versions of an image for different requirements. In recent years, images have increasingly been c…

cs.CV2025

Guided Diffusion for the Extension of Machine Vision to Human Visual Perception

Takahiro Shindo, Yui Tatsumi, Taiju Watanabe +1

Image compression technology eliminates redundant information to enable efficient transmission and storage of images, serving both machine vision and human visual perception. For y…

cs.CV2024

Classification in Japanese Sign Language Based on Dynamic Facial Expressions

Yui Tatsumi, Shoko Tanaka, Shunsuke Akamatsu +2

Sign language is a visual language expressed through hand movements and non-manual markers. Non-manual markers include facial expressions and head movements. These expressions vary…

cs.CV2024

Delta-ICM: Entropy Modeling with Delta Function for Learned Image Compression

Takahiro Shindo, Taiju Watanabe, Yui Tatsumi +1

Image Coding for Machines (ICM) is becoming more important as research in computer vision progresses. ICM is a vital research field that pursues the use of images for image recogni…

cs.CV2024

Refining Coded Image in Human Vision Layer Using CNN-Based Post-Processing

Takahiro Shindo, Yui Tatsumi, Taiju Watanabe +1

Scalable image coding for both humans and machines is a technique that has gained a lot of attention recently. This technology enables the hierarchical decoding of images for human…

cs.CV2024

Scalable Image Coding for Humans and Machines Using Feature Fusion Network

Takahiro Shindo, Taiju Watanabe, Yui Tatsumi +1

As image recognition models become more prevalent, scalable coding methods for machines and humans gain more importance. Applications of image recognition models include traffic mo…