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- K. V. Arya, P. Gupta, Prem Kumar Kalra, P. Mitra
- Pattern Recognition Letters
- 2007

In this paper, a method for robust image registration based on M-estimator Correlation Coefficient (MCC) is presented. A real valued correlation mask function is computed using Huber and Tukey’s robust statistics and is used as a similarity measure for registering image windows. The mask function suppresses the influence of outlier points and makes the… (More)

- Vyacheslav Lysov, P. Mitra
- 2015

Recently it was conjectured that a certain infinite-dimensional “diagonal” subgroup of BMS supertranslations acting on past and future null infinity (I − and I +) is an exact symmetry of the quantum gravity S-matrix, and an associated Ward identity was derived. In this paper we show that this supertranslation Ward identity is precisely equivalent to… (More)

- P. Mitra, Bidyut Baran Chaudhuri
- Pattern Recognition Letters
- 1998

- Cristina Amole, Miguel Ardid, +56 authors Ilya A. Shkrob
- 2016

C. Amole, M. Ardid, D. M. Asner, D. Baxter, E. Behnke, P. Bhattacharjee, H. Borsodi, M. Bou-Cabo, S. J. Brice, D. Broemmelsiek, K. Clark, J. I. Collar, P. S. Cooper, M. Crisler, C. E. Dahl, S. Daley, M. Das, F. Debris, N. Dhungana, S. Fallows, J. Farine, I. Felis, R. Filgas, F. Girard, G. Giroux, A. Grandison, M. Hai, J. Hall, O. Harris, M. Jin, C. B.… (More)

- Cristina Amole, Miguel Ardid, +55 authors Juan Zhang
- 2016

C. Amole, M. Ardid, I. J. Arnquist, D. M. Asner, D. Baxter, E. Behnke, P. Bhattacharjee, H. Borsodi, M. Bou-Cabo, S. J. Brice, D. Broemmelsiek, K. Clark, J. I. Collar, P. S. Cooper, M. Crisler, C. E. Dahl, M. Das, F. Debris, S. Fallows, J. Farine, I. Felis, R. Filgas, M. Fines-Neuschild, F. Girard, G. Giroux, J. Hall, O. Harris, E.W. Hoppe, C. M. Jackson,… (More)

- P. Mitra
- 1996

It has a horizon at r = 2M , which is a singularity of this coordinate system, but the curvature is not singular there, and regular Kruskal coordinates may be chosen. There is, however, a curvature singularity at r = 0, which is to be regarded as the location of a point source of mass M . Another example is the Reissner Nordström solution of the Einstein… (More)

- P. Mitra
- 1993

Symmetries of multi-anyon wavefunctions are analysed with the help of a second quantized formulation. Analogues of Slater determinants are constructed. It is shown that the Pauli principle is not enforced. e-mail address mitra@saha.ernet.in

- P. Mitra
- 1999

Majumdar Papapetrou multi black hole solutions of the Einstein Maxwell equations are considered in four and higher dimensions. The Euclidean action with boundary conditions appropriate to the canonical ensemble is shown to lead to zero entropy.

In the standard model, the Cabibbo-Kobayashi-Maskawa matrix, which incorporates the time-reversal violation shown by the charged current weak interactions, originates from the Higgs-quark interactions. The Yukawa interactions of quarks with the physical Higgs particle can contain further complex phase factors, but nevertheless conserve T, as shown by… (More)

- P. Mitra
- 2005

Detailed analysis shows that the phase of a complex mass term of a quark does not violate CP, while the QCD vacuum angle can naturally be set equal to zero. There is no strong CP problem and no need for axions or similar speculative constructions to be experimentally looked for. Talk given at THEP-I, IIT Roorkee, March 2005