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- 검색키워드
- 저자 : Mohammad Alamgir Hossain (검색결과 4 건)
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Tracking Humans Based on Interest Point over Span-Space in Multifarious Situations
Mohammad Alamgir Hossain,Goutam Sanyal 보안공학연구지원센터 2016 International Journal of Software Engineering and Vol.10 No.9
Tracking humans in complex surroundings is a very vital, exciting and red-hot topic since last few decades. There are lots of opinions and approaches proposed and developed by different researchers to prove that their methodology is comparatively superior to others. Human activity can be tracked based on the appropriate motion of human being. This motion is segregated into two categories as global motion and limb motion. We assumed that human may carry something with him or her. However, to apply our method everything is considered as object in our proposed model. The objects are being tracked, segmented and subsequently are being classified. The global-parts of this human motion approach (HMA) are being tracked by using ellipsoid shape of human models. However, based on the tracked object we tried to establish the performance of matching and recognition of human object methods (HOM). Here we have considered interest-points as a tracking parameter of the associated image descriptor. The interest-points measured in scale based on the shape of span-space of tracked-image-object (TIO) and they should fall into one of the category (global motion or limb motion). In this paper we propose the way to detect and identify interest-points by using generalized detectors. Subsequently we shall build sparse-matrix set of interest-points to compute image descriptors for human-image-matching (HIM). To detect the scale of interest-points based on span-space; however, we have used sophisticated statistical and mathematical approaches so that we can get more accurate experimental results. Our experimental results show that it is successfully applied in case of small number of people moving together accompanied by occlusion and shadow or reflection effect. However we have also tried to implement the different modes of human activity (e.g., standing, playing, talking, walking, running, etc.). There are some constraints for model of camera and the assumptions required for geometric shape of ground plane. Robust results show the superiority of our applied methodology.
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Mohammad Alamgir Hossain,Osamu Yamato,김근형,Masahiro Yamasaki,Yoshimitsu Maede 대한수의학회 2007 Journal of Veterinary Science Vol.8 No.2
The present study evaluated the effects of infected culture supernatant of erythrocytes, fractionation of culture supernatant and serum from dogs infected with Babesia gibsoni (B. gibsoni) on the maturation of canine reticulocytes in vitro. The SDS-PAGE demonstrated that significantly broader bands were generated by both the infected culture supernatant of erythrocytes and the serum from dogs chronically infected with B. gibsoni. The culture supernatant of erythrocytes infected with B. gibsoni strongly suppressed the maturation of reticulocytes. Prior studies showed that chronically infected serum had inhibitory effects on both the maturation of reticulocytes and the canine pyrimidine 5'-nucleotidase subclass I and purine-specific 5'-nucleotidase activity. In addition, serum free infected culture supernatant of erythrocytes had an inhibitory effect on the morphological maturation of reticulocytes. These results suggest that infected serum and culture supernatant of erythrocytes might accumulate excess proteins and/or metabolites as a result of the inhibited maturation of reticulocytes and decreased activity of erythrocyte 5'-nucleotidase. Furthermore, the fractions observed at >150 kDa- and 150-70 kDa- in the infected culture supernatant and serum retarded the maturation of canine reticulocytes in vitro. The results obtained from the in vitro examinations, in the present study, suggested that B. gibsoni itself and/or its metabolites might release certain proteins in the infected culture supernatant and serum from infected dogs and as a result delay morphological maturation of canine reticulocytes.
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Comparison between open and closed methods of herniorrhaphy in calves affected with umbilical hernia
Bibek Chandra Sutradhar,Mohammad Farhad Hossain,Bhajan Chandra Das,김근형,Mohammad Alamgir Hossain 대한수의학회 2009 JOURNAL OF VETERINARY SCIENCE Vol.10 No.4
Umbilical hernias in calves commonly present to veterinary clinics, which are normally secondary to failure of the normal closure of the umbilical ring, and which result in the protrusion of abdominal contents into the overlying subcutis. The aim of this study was to compare the suitability of commonly-used herniorrhaphies for the treatment of reducible umbilical hernia in calves. Thirty-four clinical cases presenting to the Veterinary Teaching Hospital, Chittagong Veterinary and Animal Sciences University, Chittagong, Bangladesh from July 2004 to July 2007 were subjected to comprehensive study including history, classification of hernias, size of the hernial rings, presence of adhesion with the hernial sacs, postoperative care and follow-up. They were reducible, nonpainful and had no evidence of infection present on palpation. The results revealed a gender influence, with the incidence of umbilical hernia being higher in female calves than in males. Out of the 34 clinical cases, 14 were treated by open method of herniorrhaphy and 20 were treated by closed method. Complications of hernia were higher (21%) in open method-treated cases than in closed method-treated cases (5%). Hernia recurred in three calves treated with open herniorrhaphy within 2 weeks of the procedure, with swelling in situ and muscular weakness at the site of operation. Shorter operation time and excellent healing rate (80%) were found in calves treated with closed herniorrhaphy. These findings suggest that the closed herniorrhaphy is better than the commonly-used open method for the correction of reducible umbilical hernia in calves.
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김근형,Jinuk Park,Mohammad Alamgir Hossain,Ki Rae Cho,Joong-Hyun Kim,Seok Hwa Choi 한국임상수의학회 2006 한국임상수의학회지 Vol.23 No.4
Ascorbic acid has been used widely as a medium supplement to stimulate cell proliferation, but its effectson cell proliferation have not yet been elucidated, and no reports have analyzed effects on subcultured chondrocytes.Subcultured canine chondrocytes of passage one, two and four were cultured in monolayer and alginate beads withand without ascorbic acid. Cell proliferation was examined by 2,3-Bis(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide inner salt) (XTT) colormetric assay. Ascorbic acid stimulated cell proliferation significantly in bothculture methods (p<0.05). The increased cell numbers by pasage one cells compared to that of other pasages. Diferences in cell proliferative capacity by subculturing werenot determined. These results suggest that ascorbic acid stimulated the proliferation of subcultured canine chondrocytesand enhanced it more in low-pasage cells than in the other cells tested.
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