Search Results - "Tahir, Sajjad"

A new chaos based color image encryption algorithm using permutation substitution and Boolean operation by Ali, Tahir Sajjad, Ali, Rashid

“…A new color image encryption algorithm is proposed by using chaotic maps. Cipher image is constructed in three phases. In the first phase permutation of…”
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A Novel Medical Image Signcryption Scheme Using TLTS and Henon Chaotic Map by Ali, Tahir Sajjad, Ali, Rashid

“…In tele-medicine, images based on patient diagnostic tests and reports are usually required to broadcast securely so that recipient can receive them without…”
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Control Rod Modeling and Worth Calculation for a Typical 1100 MWe Nuclear Power Plant Using WIMS/D4 and CITATION by Shahid, Izza, Shaukat, Nadeem, Ali, Amjad, Bacha, Meer, Ahmad, Ammar, Siddique, Muhammad Tariq, Khan, Rustam, Tahir, Sajjad, Jamil, Zeeshan

“…A typical 1100 MWe pressurized water reactor (PWR) is a second unit installed at the coastal site of Pakistan. In this paper, verification analysis of…”
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Proton, UV, and X-ray Induced Luminescence in Tb3+ Doped LuGd2Ga2Al3O12 Phosphors by Fawad, U., Kim, H. J., Gul, Ibrahim, Khan, Matiullah, Tahir, Sajjad, Jamal, Tauseef, Muhammad, Wazir

“…The well-known solid-state reaction method is used for the synthesis of Tb doped LuGd2Ga2Al3O12 phosphor. XRD and SEM techniques are used for the phase and…”
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A novel color image encryption scheme based on a new dynamic compound chaotic map and S-box by Ali, Tahir Sajjad, Ali, Rashid

“…In modern technological era image encryption has become an attractive and interesting field for researchers. They work for improving the security of image data…”
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A multi-source based Monte Carlo simulation model for spot scanning proton radiotherapy using GEANT4 by Galanakou, Panagiota, String, Shawn, Shang, Charles, Tahir, Sajjad, Aydogan, Bulent, Muhammad, Wazir

“…Proton therapy is widely used for treating various tumor types due to its favorable dosimetric characteristics compared with conventional radiotherapy…”
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A novel medical image signcryption scheme using tent-logistic-tent system and Henon chaotic map by Ali, Tahir Sajjad, Ali, Rashid

“…In tele-medicine, images based on patient diagnostic tests and reports are usually required to broadcast securely so that recipient can receive them without…”
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Mesh-based phase contrast Fourier transform imaging by Tahir, Sajjad, Bashir, Sajid, MacDonald, C.A., Petruccelli, Jonathan C.

“…Traditional x-ray radiography is limited by low attenuation contrast in materials of low electron density. Phase contrast imaging offers the potential to…”
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An overview of radioactivity measurement studies in Pakistan by Muhammad, Wazir, Matiullah, Ullah, Asad, Tahir, Sajjad, Ullah, Fawad, Khan, Matiullah

“…In our environment, various naturally occurring radionuclides are present (both underground and overground) in several places, which results in lifelong human…”
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Phase imaging using focused polycapillary optics by Bashir, Sajid, Tahir, Sajjad, MacDonald, C.A., Petruccelli, Jonathan C.

“…Conventional radiographic techniques depend on attenuation, which provides low contrast between soft tissues. However, X rays can accumulate large differential…”
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Grid-Based Fourier Transform Phase Contrast Imaging by Tahir, Sajjad

“…Low contrast in x-ray attenuation imaging between different materials of low electron density is a limitation of traditional x-ray radiography. Phase contrast…”
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Assessment of computerized treatment planning system accuracy in calculating wedge factors of physical wedged fields for 6 MV photon beams by Muhammad, Wazir, Maqbool, Muhammad, Shahid, Muhammad, Hussain, Amjad, Tahir, Sajjad, Matiullah, Rooh, Gul, Ahmad, Tanveer, Lee, Sang Hoon

“…Abstract Wedge filters are commonly used in external beam radiotherapy to achieve a uniform dose distribution within the target volume. The main objective of…”
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Grid-Based Fourier Transform Phase Contrast Imaging by Tahir, Sajjad

“…Low contrast in x-ray attenuation imaging between different materials of low electron density is a limitation of traditional x-ray radiography. Phase contrast…”
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Stopping Power and Depth Dose Measurement of Proton in Water using MCNPX by Haider, Aziz Ahmad, Tahir, Sajjad, Khan, Rustam, Siddique, Tariq, Muhammad, Wazir

“…Energy deposition evaluation of monoenergetic proton beam along the depth in water phantom is an important technique in treatment planning to estimate the dose…”
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Serological study of peste-des-petits ruminants (PPR) using counter immunoelectrophoresis in Faisalabad [Pakistan] by Tahir, M.T. (University of Agriculture, Faisalabad (Pakistan). Dept. of Veterinary Microbiology), Ahmad, R, Sajjad-ur-Rahman, Hussain, I, Ashfaque, M

“…Antibodies against peste-des-petits ruminants (PPR) in sheep and goats were detected using counter immunoelectrophoresis. Out of 208 sheep and 209 goats serum…”
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