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Flicker-reduced memory compression for a volume-zone liquid crystal display overdrive
Hisashi Sasaki,Tatsuyuki Ishikawa,Yukio Ishikawa,Kazuhiro Ichikawa,Nobuhiko Saitou 한국정보디스플레이학회 2011 Journal of information display Vol.12 No.2
The memory compression algorithm CCC-LCP (color-count-controlled local color palette) reduces flicker in the liquid crystal display (LCD) overdrive. Its compression ratio is 1:5.4 for 10-bit images, with a 33 dB PSNR peak signal-to-noise ratio and with five times flicker reduction compared with the block truncation coding. The authors’ two-alternative forced choice subjective tests proposed two new soundness properties, the ‘CMP harmlessness’ and ‘OD non-lost (or OD liveliness)’, to clarify the functional interaction between the overdrive functionality OD and the compression functionality CMP. The tests verified that CCC-LCP is practically applicable (at a 1.2H viewing distance threshold) for 42” 37-ppi WXGA TVs.
Flicker-reduced memory compression for a volume-zone liquid crystal display overdrive
Sasaki, Hisashi,Ishikawa, Tatsuyuki,Ishikawa, Yukio,Ichikawa, Kazuhiro,Saitou, Nobuhiko The Korean Infomation Display Society 2011 Journal of information display Vol.12 No.2
The memory compression algorithm CCC-LCP (color-count-controlled local color palette) reduces flicker in the liquid crystal display (LCD) overdrive. Its compression ratio is 1:5.4 for 10-bit images, with a 33 dB PSNR peak signal-to-noise ratio and with five times flicker reduction compared with the block truncation coding. The authors' two-alternative forced choice subjective tests proposed two new soundness properties, the 'CMP harmlessness' and 'OD non-lost (or OD liveliness)', to clarify the functional interaction between the overdrive functionality OD and the compression functionality CMP. The tests verified that CCC-LCP is practically applicable (at a 1.2H viewing distance threshold) for 42" 37-ppi WXGA TVs.
EMISSION LINE VELOCITY FIELD OF THE MAGELLANIC IRREGULAR GALAXY NGC 4449
SASAKI MINORU,OHTANI HIROSHI,SAITO MAMORU,OHTA KOUJI,YOSHIDA MICHITOSHI,SHIMIZU TASUHlRO,KOYANO HISASHI,KOSUGI GEORGE,AOKI KENTARO,SASAKI TOSHIYUKI The Korean Astronomical Society 1996 Journal of The Korean Astronomical Society Vol.29 No.suppl1
The imaging spectroscopic observations of the Magellanic irregular galaxy NGC 4449 were made to show the detailed kinematic structure of the galaxy. Many filamentary structures and Several bubble-like structures are recognized in a 3D data cube of H$\alpha$ emission line. Velocity field shows the kpc-scale mosaic structure and counter- rotation of ionized gas.
WEATHER CHARACTERISTICS AT OBSERVATORY CANDIDATE SITES IN WEST TIBET
SASAKI, TOSHIYUKI,NAOE, HIROAKI,UTSUMI, YOSUKE,WANG, HONGSHUAI,YAO, YONGQIANG,YOSHIDA, MICHITOSHI,OHSHIMA, NORIO,MIKAMI, YOSHITAKA,OKADA, NORIO,KOYANO, HISASHI,SEKIGUCHI, KAZUHIRO,ANDO, HIROYASU,LIU, The Korean Astronomical Society 2015 天文學論叢 Vol.30 No.2
The high plateaus in west China may provide suitable sites for astronomical observations with the institute's middle-range telescopes and possibly with larger telescopes. Under China-Japan collaborations for site survey in west China, we have been conducting searches for good sites and monitoring their characteristics over several years. As recent results of our site survey show, sites in west Tibet are revealed with a high possibility of good astronomical observations. Weather characteristics at Gar in Ali, Tibet, show its high clear-sky ratios, especially in winter, comparable to Mauna Kea, Hawaii. But it has some wind problem in winter, where stronger wind speeds, over 20m/sec, occur frequently even though the sky is clear. To find calmer sites, we have conducted numerical simulations for the Ali area using the Japan Meteorological Agency NonHydrostatic Model. We have found another site, named ZoZo Hill, near Gar. We will continue to monitor the Gar site to clarify weather characteristics over the whole year and hopefully start to negotiate for site monitoring at ZoZo Hill this year.
Fumito Sasaki,Shin Takahashi,Hisashi Fujita,Takahiro Yamauchi,Sumio Ayusawa 한국버섯학회 2010 한국버섯학회지 Vol.8 No.4
[Aims] Lentinula edodes (Berk.) Pegler has many commercial strains both morphologically and physiologically similar to each other. At present, detection of polymorphism in rDNA-IGS region (Babasaki, 2006) and/or RAPD marker (Zhang and Molina, 1995) is generally used for strain typing of L. edodes. However, it is rather time-and-cost consuming. Inter-retrotransposon amplified polymorphism (IRAP)-PCR method mainly used for horticultural crops takes less time and lower in cost in strain typing (Kalendar et al, 1999). In this study, we designed IRAP primers for L. edodes and verified their strain typing efficiency. [Method] Thirty three strains were provided for this study. Either fungal cultures on PDA or fungal tissues of fruit bodies were cut into approximately 4 x 4 x 4 mm. Total DNA of each samples were extracted by DNeasy Plant Mini Kit (QIAGEN). For PCR, IRAP primer set and Pfu-X polymerase (greiner) were performed. Based on LTR (Long Terminal Repeat) sequence in L. edodes, we designed one set of primers amplifying the regions between retrotransposons. Ampricons were electrophored for 50 min at 100 V on 1.7 % agarose gel with GelRed (Biotium) and evaluated under UV irradiation. [Results] The products obtained by IRAP-PCR were determined using mini-gel electrophoresis system. The band patterns of IRAP-PCR products differ among strains except the ones having the same parental cultivar. The detected bands were bright and clear without smearing. The IRAP-PCR products of fungal cultures on PDA and correlating fungal tissues of fruit bodies showed the same band pattern, suggesting that the procedure is highly reproducible. Thus, it is considered that IRAP-PCR with short ranged (ca. 1 kb) electrophoresis is a time-efficient and practical strain typing method of L. edodes.
Kouichi Okamura,Takuya Kikuchi,Aya Murata,이인형,Haruo Yamada,Hisashi Inokuma,Naoki Sasaki 대한수의학회 2009 JOURNAL OF VETERINARY SCIENCE Vol.10 No.2
The purpose of the present study was to evaluate the prokinetic effects of mosapride with non-invasive assessment of myoelectrical activity in the small intestine and caecum of healthy horses after jejunocaecostomy. Six horses underwent celiotomy and jejunocaecostomy, and were treated with mosapride (treated group) at 1.5 mg/kg per osos once daily for 5 days after surgery. The other six horses did not receive treatment and were used as controls (non-treated group). The electrointestinography (EIG) maximum amplitude was used to measure intestinal motility. Motility significantly decreased following surgery. In the treated group, the EIG maximum amplitude of the small intestine was significantly higher than in the controls from day 6∼31 after treatment. These findings clearly indicate that mosapride could overcome the decline of intestinal motility after jejunocaecostomy in normal horses.
Atsushi Kuno,Masaharu Nomura,Hideki Matsuzaki,Tomoko Nakagawa,Atsushi Matsuda,Yoshitoshi Hirao,Masao Sasaki,Norihiro Ikeda,Toshitaka Nagao,Yuzuru Ikehara,Hisashi Narimatsu 한국당과학회 2012 한국당과학회 학술대회 Vol.2012 No.1
Cell glycome is defined by the glyco synthesis machinery regulated by harmonized expression of more than 100 glycogenes. The machinery-dependent glycome drastically shifts during cell progression and differentiation in association with tumorigenesis and malformation, and thus it motivates us to discover the disease-related alteration in glycosylation. Glycan-targeted histochemical approaches using lectin and anti-glycogene antibodies have provided some key information to characterize specific histological types of cells in pathology. However, this approach is not suitable for the comprehensive analysis targeting the cell glycome, and thus may fail to provide insight into glycome shift during the disease progression. Several years ago, we developed the methodology for rapid and systematic glycome shift analysis targeting formalin-fixed tissue specimens by means of lectin microarray. The resultant method enabled simultaneous observation of over 40 lectins interacted with glycoproteins in 1 mm2 of the tissue specimens. Recently, we sophisticated this methodology to be suitable for comparative analysis of a series of cells in specific groups isolated from a single tissue specimen by laser microdissection, and now our research has gained interest in the variability and distribution of cell glycome in the tissue, i.e., “tissue glycome mapping”. In this meeting, we will summarize the advantage of this new methodology and its application for glyco-biomarker discovery, as well as the construction of “tissue glycome atlas”.