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Image Enhancement Improving Visibility of Undiscriminatable Colors for Dichromacy
Go Tanaka,Hayato Hashii,Noriaki Suetake,Eiji Uchino 대한전자공학회 2009 ITC-CSCC :International Technical Conference on Ci Vol.2009 No.7
The color information is not be always perceived uniformly by all the people. Some people with color vision deficiency, such as dichromacy, feel difficulty to recognize and to distinguish certain color combinations. In this paper, an image enhancement method, which realizes barrier-free color vision for people with dichromacy while preserving the color information as much as possible for common viewers, is proposed.
FIELD ORIENTED CONTROL SYSTEM FOR INDUCTION MACHINE WITHOUT SPEED SENSOR
TAKAYOSHI NAKANO,KIYOAKI SASAGAWA,MAKOTO HASHII 전력전자학회 1989 ICPE(ISPE)논문집 Vol.- No.-
A variable speed drive system by the field oriented control method without a speed sensor is described. In this system, the speed actual value is estimated from the position of the flux vector calculated from the terminal voltage and current.<br/> The control system is apllied to a 165 kW induction motor drive and a GTO PWM inverter, and tested. The error of the speed control is within ± 0.5 % for a speed control range of 1 : 20. The indicial response of speed control is about 15 rad/sec.<br/> Also, subjects for future are described.<br/>
Park, Seung‐,Yeol,Lee, Sung‐,Hyeon,Kawasaki, Nana,Itoh, Satsuki,Kang, Keunsoo,Hee Ryu, Soo,Hashii, Noritaka,Kim, Jin‐,Man,Kim, Ji‐,Yeon,Hoe Kim, Jung Wiley Subscription Services, Inc., A Wiley Company 2012 International journal of cancer: Journal internati Vol.130 No.10
<P><B>Abstract</B></P><P>Aberrant glycosylation has been observed in many types of cancer, but the mechanism of glycosylation change is still poorly understood. To elucidate relationships between glycosylation and colon cancer progression, we analyzed glycosylation status of β‐haptoglobin (β‐Hp) obtained from 46 cancer patients, 14 inflammatory bowel disease patients and 38 normal subjects. <I>Aleuria aurantia</I> lectin reactivity with cancer β‐Hp was much higher than in the other two study groups. These results were confirmed by lectin blotting and microarray assay using other lectins directed to fucosyl residues. Levels of such glycans were correlated with stage of colon cancer progression. Reactivity with fucosylated glycans was eliminated by treatment with α1‐3/4 fucosidase but not α1‐6 fucosidase, indicating that enhanced lectin reactivity with the fucose moiety of colon cancer β‐Hp is due to Fucα1‐3/4GlcNAc. Moreover, site‐specific glycan occupancy was determined by sequential LC/MS analysis. Mass spectrometric analysis showed that fucosylation of β‐Hp was higher in colon cancer patients than in other subjects. In particular, fucosylation at Asn 241 of β‐Hp in sera of colon cancer patients was clearly higher than in the other groups, and the ratio of fucosylated glycopeptides containing Asn 241 decreased greatly after treatment with α1‐3/4 fucosidase. In conclusion, the level of α1‐3/4 fucosyl epitope at Asn 241 of β‐Hp is potentially useful as a novel marker for colon cancer.</P>