antu saha - Academia.edu (original) (raw)
Papers by antu saha
Indonesian Journal of Electrical Engineering and Computer Science, 2021
Manipulating high-dimensional data is a major research challenge in the field of computer science ... more Manipulating high-dimensional data is a major research challenge in the field of computer science in recent years. To classify this data, a lot of clustering algorithms have already been proposed. Kohonen self-organizing map (KSOM) is one of them. However, this algorithm has some drawbacks like overlapping clusters and non-linear separability problems. Therefore, in this paper, we propose an improved KSOM (I-KSOM) to reduce the problems that measures distances among objects using EISEN Cosine correlation formula. So far as we know, no previous work has used EISEN Cosine correlation distance measurements to classify high-dimensional data sets. To the robustness of the proposed KSOM, we carry out the experiments on several popular datasets like Iris, Seeds, Glass, Vertebral column, and Wisconsin breast cancer data sets. Our proposed algorithm shows better result compared to the existing original KSOM and another modified KSOM in terms of predictive performance with topographic and quant...
Hepatology Research, 2019
A 66-year-old man was admitted to our department due to cholestatic liver injury. He had received... more A 66-year-old man was admitted to our department due to cholestatic liver injury. He had received 5 cycles of pembrolizumab for small cell lung cancer. Imaging showed the possibility of sclerosing cholangitis (SC) with hemobilia. Histologically, clusters of differentiation 8 positive T cells had infiltrated the biliary epithelium of the extrahepatic bile duct. We reached the diagnosis of secondary SC induced by pembrolizumab. Although we treated him with high-dose corticosteroids, laboratory data showed only a moderate response. Clinicians should recognize that administration of immune checkpoint inhibitors can sometimes cause severe and irreversible SC.
Only religion could be said to separate the Bangladesh-West Bengal border peoples, but their heri... more Only religion could be said to separate the Bangladesh-West Bengal border peoples, but their heritage is the same. Denied the historical continuity across the frontier that gave them cultural and economic strength, the inhabitants on both sides rely on ‘smuggling’ for both economic survival and crossborder cultural contact.
ABSTRACT Philosophical Anthropology
"The ‘border’ is very difficult to define precisely because of its omnip... more "The ‘border’ is very difficult to define precisely because of its omnipresence not only in the physical world, e.g. in geographical territories, but also in the human psyche. The present study is concerned with the geo-political border that exists between nation-states or other types of states. Is the border a particular kind of region or social environment? If so, does the border tend to produce a particular kind of culture? And what is the relationship between this environment and its culture? The complexity of the situation on the borderland puts social scientists into an impasse to find appropriate answers to the above raised questions. A border marks the place where adjacent jurisdictions meet. This combined conjunction and separation of national laws and customs creates a zone in which movements of people and goods are greatly regulated, examined, discussed, and hidden. The Himalaya and its neighbouring regions became a burning issue for both India and China immediately after the Chinese annexation of Tibet in 1950 as the Himalayan Mountain Range served as a demarcation between the two largest Asian states. The multifaceted border relation between China and India occasionally interferes in the international relations between both states. Because of the periodic occurrence of border conflicts, the Sino-Indian border relationship keeps on fluctuating. The historical silk routes which connected South Asia with Central Asia and Europe through Tibet became a term in history books after the Sino-Indian War in 1962, which not only had a detrimental effect on the geo-political relation between the two neighbouring states, but also affected the border people of both sides in terms of their historical, cultural and linguistic characteristics, which was earlier claimed to be a homogeneous one. The present paper is an effort to understand the process of creation of new identities imposed by the state on the Sino-Indian border communities living on the Indian side and how states play their international politics in the courtyards of border villages."
15th International Conference on Advanced Computing and Communications (ADCOM 2007), 2007
In this paper, we present some results on the use of Nqueen sub-sampling lattices for motion esti... more In this paper, we present some results on the use of Nqueen sub-sampling lattices for motion estimation in H.264. For MPEG-4, N-queen has been shown to give better results compared to other existing pixel decimation lattices in terms of spatial homogeneity and directional coverage. We aim to develop a generalized algorithm to select an Mlength pattern from an N × N block such that the selected pattern is optimal with respect to the aforementioned metrics of spatial homogeneity and directional coverage. In the process, we observe and present a few interesting pixel decimation patterns that might be useful for the purpose of motion estimation.
Bulletin of the School of Oriental and African Studies, 2004
This volume of essays is a tribute to the achievements of the art historian and archaeologist Don... more This volume of essays is a tribute to the achievements of the art historian and archaeologist Donald Hansen. Hansen has taught ancient Near Eastern art for forty years and excavated all over the Middle East. The twenty-five contributions to this Festschrift are chiefly the work of former students and colleagues in Harvard, New York and on site. The selection reflects the breadth of Hansen's teaching, the depth of his personal experience in the field and his specialism in the Mesopotamian Early Dynastic period. Art history of the Near East: Joan Aruz, 'Power and protection: a little proto-Elamite silver bull pendant' (pp. 1-14), publishes for the first time an object in the Metropolitan Museum of Art and discusses it in the light of what is known of proto-Elamite art. Zainab Bahrani, 'Performativity and image: narrative, representation, and the Uruk vase' (15-22), brings the methodology of modern art history to the study of one of the great masterpieces of late fourth-millennium Mesopotamia (recently in the news as looted from the Iraq Museum in April 2003 and returned in pieces some weeks later). Erica Ehrenberg, 'The rooster in Mesopotamia' (53-62), surveys the iconography of the cockerel in ancient Iraq and makes a good case for the identification of the cock on the lampstand as the god Nusku. Elsie Holmes Peck, 'A decorated bronze belt in the Detroit Institute of Arts' (183-202), presents a preliminary description of a metal belt newly acquired by the collection; it is decorated in an Assyrianizing style and was probably made in Urartu. Holly Pittman, 'The "jeweler's" seal from Susa and art of Awan' (211-35), presents an iconographical analysis of a cylinder seal known from ancient impressions, and discusses its place in the history of Iranian art. Seals of a much later period are the subject of Priscilla Soucek, 'Early Islamic seals: their artistic and cultural importance' (237-59). Irene J. Winter, 'How tall was Naram-Sîn's victory stele? Speculation on the broken bottom' (301-11), reexamines another broken masterpiece of Mesopotamian art and wonders how much of it is missing. East meets West: Celia J. Bergoffen, 'Early Late Cypriot ceramic exports to Canaan: White slip I' (23-41), discusses a distinctive style of Middle-to-Late Bronze Age pottery chiefly with reference to Tell el-Ajjul, near Gaza. Günter Kopcke, '1000 B.C.E.? 900 B.C.E.? A Greek vase from Lake Galilee' (109-17) discusses a unique piece of pottery also imported to Palestine but somewhat later, and questions the conventional division of Protogeometric ceramics into Early, Middle and Late periods. Archaeology of the Near East: Lionel Bier, 'Sarvistan reconsidered' (43-51), is a postscript to an earlier study of an intriguing Sasanian or early Islamic building in Fars. Prudence O. Harper, 'Tommorow we dig! Excerpts
ABSTRACT This study examines the interface between the cultural and political identities of peopl... more ABSTRACT This study examines the interface between the cultural and political identities of people living on the international border between India and Bangladesh while discussing how the micro-differences of ethnic and cultural identities governed by religion of the people living on both sides of borderland have been institutionalized by the state in manifesting its political identities. Concerned with issues of identity, this book will be useful to Anthropologists, Sociologists, and Political Scientists interested in identity politics and strategic studies. Besides, the findings of the study will have great relevance for academicians, politicians, policy planners, social and political thinkers, social activists as well as the general reader interested in examining the vexed issue of border relations of India and Bangladesh. This book contains 10 Color photographs. Reviews “Slowly and surely new identities have been emerging, that overshadow to some extent the earlier ethnie. To day it means something to say that I am an Indian or I am a Bangladeshi, in addition to saying that I am a Bengali. The living entity of the border and the meaning that it imparts has redefined existence across both sides. The present book is an exposition of this complex relationship, woven into an ethnographic descriptive study of villages across both sides of the border are the intricate meanings of redefinition, of realizations, and of international power politics entering into people’s back yards and dictating new meanings of existence.” - Dr. Subhadra Channa, Professor of Anthropology, University of Delhi “In this monograph, Antu Saha presents an original and insightful analysis of identity issues among communities living near the India-Bangladesh border. The study builds on considerable scholarship as well as painstaking field work on both sides of the border. ... it is a fascinating study.” - Dr. Jean Drèze, Visiting Professor, G.B. Pant Social Science Institute “I think this kind of work should herald a fresh category of anthropological enquiry in future academic discourse in the country. ... I consider this work a really refreshing and new genre of sociological enquiry.” - D.K. Bhattacharya, Professor (Retired), Department of Anthropology, University of Delhi “The book is a contribution to anthropology in general, border literature in particular, and this specifies of day to day Indo-Bangladesh relations. The interest of the book is principally anthropological, though, of course, the political implications can hardly be ignored. A highly interesting read.” - Dr. Rabindra Ray, Associate Professor, Department of Sociology, Delhi School of Economics, University of Delhi “The strength of this book lies in its quantity of information and its depth of analysis. . . . The work is significant in that it takes on a unique issue in the contemporary study of ethnicity and identity formation in the borderlands. The quantity of information the book provides makes this work a real addition to the literature on borderland cultures. “ – Md. Saiful Islam, University of Dhaka for Asian Anthropology
2019 International Conference on Electrical, Computer and Communication Engineering (ECCE), 2019
This research proposed a multi-modal person authentication system developed by feature level fusi... more This research proposed a multi-modal person authentication system developed by feature level fusion of iris recognition and retina recognition. The reasons for choosing iris and retina as biometric characteristics are they provide the highest level of uniqueness, performance, universality, and circumvention. The ‘curse-of-dimensionality’ problem introduced in feature level fusion which was the main limitation of the prior works in this field, was minimized to a great extent by applying Principal Component Analysis (PCA) on the augmented feature template. To validate this approach, iris and retina images obtained from ‘IITD’ and ‘DRIVE’ datasets respectively are used. The recognition rate for the proposed multi-modal biometric system was 98.37% whereas it is 96.74% and 94.56% for iris recognition and retina recognition respectively.
Indonesian Journal of Electrical Engineering and Computer Science, 2021
Manipulating high-dimensional data is a major research challenge in the field of computer science ... more Manipulating high-dimensional data is a major research challenge in the field of computer science in recent years. To classify this data, a lot of clustering algorithms have already been proposed. Kohonen self-organizing map (KSOM) is one of them. However, this algorithm has some drawbacks like overlapping clusters and non-linear separability problems. Therefore, in this paper, we propose an improved KSOM (I-KSOM) to reduce the problems that measures distances among objects using EISEN Cosine correlation formula. So far as we know, no previous work has used EISEN Cosine correlation distance measurements to classify high-dimensional data sets. To the robustness of the proposed KSOM, we carry out the experiments on several popular datasets like Iris, Seeds, Glass, Vertebral column, and Wisconsin breast cancer data sets. Our proposed algorithm shows better result compared to the existing original KSOM and another modified KSOM in terms of predictive performance with topographic and quant...
Hepatology Research, 2019
A 66-year-old man was admitted to our department due to cholestatic liver injury. He had received... more A 66-year-old man was admitted to our department due to cholestatic liver injury. He had received 5 cycles of pembrolizumab for small cell lung cancer. Imaging showed the possibility of sclerosing cholangitis (SC) with hemobilia. Histologically, clusters of differentiation 8 positive T cells had infiltrated the biliary epithelium of the extrahepatic bile duct. We reached the diagnosis of secondary SC induced by pembrolizumab. Although we treated him with high-dose corticosteroids, laboratory data showed only a moderate response. Clinicians should recognize that administration of immune checkpoint inhibitors can sometimes cause severe and irreversible SC.
Only religion could be said to separate the Bangladesh-West Bengal border peoples, but their heri... more Only religion could be said to separate the Bangladesh-West Bengal border peoples, but their heritage is the same. Denied the historical continuity across the frontier that gave them cultural and economic strength, the inhabitants on both sides rely on ‘smuggling’ for both economic survival and crossborder cultural contact.
ABSTRACT Philosophical Anthropology
"The ‘border’ is very difficult to define precisely because of its omnip... more "The ‘border’ is very difficult to define precisely because of its omnipresence not only in the physical world, e.g. in geographical territories, but also in the human psyche. The present study is concerned with the geo-political border that exists between nation-states or other types of states. Is the border a particular kind of region or social environment? If so, does the border tend to produce a particular kind of culture? And what is the relationship between this environment and its culture? The complexity of the situation on the borderland puts social scientists into an impasse to find appropriate answers to the above raised questions. A border marks the place where adjacent jurisdictions meet. This combined conjunction and separation of national laws and customs creates a zone in which movements of people and goods are greatly regulated, examined, discussed, and hidden. The Himalaya and its neighbouring regions became a burning issue for both India and China immediately after the Chinese annexation of Tibet in 1950 as the Himalayan Mountain Range served as a demarcation between the two largest Asian states. The multifaceted border relation between China and India occasionally interferes in the international relations between both states. Because of the periodic occurrence of border conflicts, the Sino-Indian border relationship keeps on fluctuating. The historical silk routes which connected South Asia with Central Asia and Europe through Tibet became a term in history books after the Sino-Indian War in 1962, which not only had a detrimental effect on the geo-political relation between the two neighbouring states, but also affected the border people of both sides in terms of their historical, cultural and linguistic characteristics, which was earlier claimed to be a homogeneous one. The present paper is an effort to understand the process of creation of new identities imposed by the state on the Sino-Indian border communities living on the Indian side and how states play their international politics in the courtyards of border villages."
15th International Conference on Advanced Computing and Communications (ADCOM 2007), 2007
In this paper, we present some results on the use of Nqueen sub-sampling lattices for motion esti... more In this paper, we present some results on the use of Nqueen sub-sampling lattices for motion estimation in H.264. For MPEG-4, N-queen has been shown to give better results compared to other existing pixel decimation lattices in terms of spatial homogeneity and directional coverage. We aim to develop a generalized algorithm to select an Mlength pattern from an N × N block such that the selected pattern is optimal with respect to the aforementioned metrics of spatial homogeneity and directional coverage. In the process, we observe and present a few interesting pixel decimation patterns that might be useful for the purpose of motion estimation.
Bulletin of the School of Oriental and African Studies, 2004
This volume of essays is a tribute to the achievements of the art historian and archaeologist Don... more This volume of essays is a tribute to the achievements of the art historian and archaeologist Donald Hansen. Hansen has taught ancient Near Eastern art for forty years and excavated all over the Middle East. The twenty-five contributions to this Festschrift are chiefly the work of former students and colleagues in Harvard, New York and on site. The selection reflects the breadth of Hansen's teaching, the depth of his personal experience in the field and his specialism in the Mesopotamian Early Dynastic period. Art history of the Near East: Joan Aruz, 'Power and protection: a little proto-Elamite silver bull pendant' (pp. 1-14), publishes for the first time an object in the Metropolitan Museum of Art and discusses it in the light of what is known of proto-Elamite art. Zainab Bahrani, 'Performativity and image: narrative, representation, and the Uruk vase' (15-22), brings the methodology of modern art history to the study of one of the great masterpieces of late fourth-millennium Mesopotamia (recently in the news as looted from the Iraq Museum in April 2003 and returned in pieces some weeks later). Erica Ehrenberg, 'The rooster in Mesopotamia' (53-62), surveys the iconography of the cockerel in ancient Iraq and makes a good case for the identification of the cock on the lampstand as the god Nusku. Elsie Holmes Peck, 'A decorated bronze belt in the Detroit Institute of Arts' (183-202), presents a preliminary description of a metal belt newly acquired by the collection; it is decorated in an Assyrianizing style and was probably made in Urartu. Holly Pittman, 'The "jeweler's" seal from Susa and art of Awan' (211-35), presents an iconographical analysis of a cylinder seal known from ancient impressions, and discusses its place in the history of Iranian art. Seals of a much later period are the subject of Priscilla Soucek, 'Early Islamic seals: their artistic and cultural importance' (237-59). Irene J. Winter, 'How tall was Naram-Sîn's victory stele? Speculation on the broken bottom' (301-11), reexamines another broken masterpiece of Mesopotamian art and wonders how much of it is missing. East meets West: Celia J. Bergoffen, 'Early Late Cypriot ceramic exports to Canaan: White slip I' (23-41), discusses a distinctive style of Middle-to-Late Bronze Age pottery chiefly with reference to Tell el-Ajjul, near Gaza. Günter Kopcke, '1000 B.C.E.? 900 B.C.E.? A Greek vase from Lake Galilee' (109-17) discusses a unique piece of pottery also imported to Palestine but somewhat later, and questions the conventional division of Protogeometric ceramics into Early, Middle and Late periods. Archaeology of the Near East: Lionel Bier, 'Sarvistan reconsidered' (43-51), is a postscript to an earlier study of an intriguing Sasanian or early Islamic building in Fars. Prudence O. Harper, 'Tommorow we dig! Excerpts
ABSTRACT This study examines the interface between the cultural and political identities of peopl... more ABSTRACT This study examines the interface between the cultural and political identities of people living on the international border between India and Bangladesh while discussing how the micro-differences of ethnic and cultural identities governed by religion of the people living on both sides of borderland have been institutionalized by the state in manifesting its political identities. Concerned with issues of identity, this book will be useful to Anthropologists, Sociologists, and Political Scientists interested in identity politics and strategic studies. Besides, the findings of the study will have great relevance for academicians, politicians, policy planners, social and political thinkers, social activists as well as the general reader interested in examining the vexed issue of border relations of India and Bangladesh. This book contains 10 Color photographs. Reviews “Slowly and surely new identities have been emerging, that overshadow to some extent the earlier ethnie. To day it means something to say that I am an Indian or I am a Bangladeshi, in addition to saying that I am a Bengali. The living entity of the border and the meaning that it imparts has redefined existence across both sides. The present book is an exposition of this complex relationship, woven into an ethnographic descriptive study of villages across both sides of the border are the intricate meanings of redefinition, of realizations, and of international power politics entering into people’s back yards and dictating new meanings of existence.” - Dr. Subhadra Channa, Professor of Anthropology, University of Delhi “In this monograph, Antu Saha presents an original and insightful analysis of identity issues among communities living near the India-Bangladesh border. The study builds on considerable scholarship as well as painstaking field work on both sides of the border. ... it is a fascinating study.” - Dr. Jean Drèze, Visiting Professor, G.B. Pant Social Science Institute “I think this kind of work should herald a fresh category of anthropological enquiry in future academic discourse in the country. ... I consider this work a really refreshing and new genre of sociological enquiry.” - D.K. Bhattacharya, Professor (Retired), Department of Anthropology, University of Delhi “The book is a contribution to anthropology in general, border literature in particular, and this specifies of day to day Indo-Bangladesh relations. The interest of the book is principally anthropological, though, of course, the political implications can hardly be ignored. A highly interesting read.” - Dr. Rabindra Ray, Associate Professor, Department of Sociology, Delhi School of Economics, University of Delhi “The strength of this book lies in its quantity of information and its depth of analysis. . . . The work is significant in that it takes on a unique issue in the contemporary study of ethnicity and identity formation in the borderlands. The quantity of information the book provides makes this work a real addition to the literature on borderland cultures. “ – Md. Saiful Islam, University of Dhaka for Asian Anthropology
2019 International Conference on Electrical, Computer and Communication Engineering (ECCE), 2019
This research proposed a multi-modal person authentication system developed by feature level fusi... more This research proposed a multi-modal person authentication system developed by feature level fusion of iris recognition and retina recognition. The reasons for choosing iris and retina as biometric characteristics are they provide the highest level of uniqueness, performance, universality, and circumvention. The ‘curse-of-dimensionality’ problem introduced in feature level fusion which was the main limitation of the prior works in this field, was minimized to a great extent by applying Principal Component Analysis (PCA) on the augmented feature template. To validate this approach, iris and retina images obtained from ‘IITD’ and ‘DRIVE’ datasets respectively are used. The recognition rate for the proposed multi-modal biometric system was 98.37% whereas it is 96.74% and 94.56% for iris recognition and retina recognition respectively.