Osamu Katai

A novel adaptive morphological approach for degraded character image segmentation

Shigueo Nomura, Keiji Yamanaka, Osamu Katai et al. · Pattern Recognition · 2005 · 153 citations

Image Analysis, Engineering, Optical Character Recognition +8

Studies on the balancing, the minimal balancing, and the minimum balancing processes for social groups with planar and nonplanar graph structures

Osamu Katai, Sousuke Iwai · Journal of Mathematical Psychology · 1978 · 38 citations

Community Structure, Social Network Aggregation, Network Science +12

A New Method for Degraded Color Image Binarization Based on Adaptive Lightning on Grayscale Versions

Shigueo Nomura, Keiji Yamanaka, Osamu Katai et al. · IEICE Transactions on Information and Systems · 2004 · 21 citations

Deblurring, Image Analysis, Grayscale Versions +5

Morphological preprocessing method to thresholding degraded word images

Shigueo Nomura, Keiji Yamanaka, Takayuki Shiose et al. · Pattern Recognition Letters · 2009 · 21 citations

Image Analysis, Engineering, Optical Character Recognition +8

On the Characterization of Balancing Processes of Social Systems and the Derivation of the Minimal Balancing Processes

Osamu Katai, Sousuke Iwai · IEEE Transactions on Systems Man and Cybernetics · 1978 · 20 citations

Social Systems, Minimal Balancing Processes, Social Process +27