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Bassem Ben Cheikh

Bassem Ben Cheikh
Sorbonne Universities - Pierre-and-Marie Curie University - Paris 6 · Department of Engineering

Doctor of Philosophy

About

14
Publications
3,189
Reads
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541
Citations
Citations since 2017
5 Research Items
528 Citations
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2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120

Publications

Publications (14)
Thesis
One of the most challenging problems in histological image analysis is the evaluation of the spatial organizations of histological structures in the tissue. In fact, histological sections may contain a very large number of cells of different types and irregularly distributed, which makes their spatial content indescribable in a simple manner. Graph...
Article
This paper deals with the reconstruction of gray level images from unoriented tomographic projections as it occurs in cryo-electron microscopy. Classical methods proceed in three steps: first, angular assignation, then image reconstruction from angular information and input projections and finally angular assignation refinement from the reconstru...
Conference Paper
Full-text available
The morphology of intestinal glands is an important and significant indicator of the level of the severity of an inflammatory bowel disease, and has also been used routinely by pathologists to evaluate the malignancy and the prognosis of colorectal cancers such as adenocarcinomas. The extraction of meaningful information describing the morphology o...
Article
Full-text available
Colorectal adenocarcinoma originating in intestinal glandular structures is the most common form of colon cancer. In clinical practice, the morphology of intestinal glands, including architectural appearance and glandular formation, is used by pathologists to inform prognosis and plan the treatment of individual patients. However, achieving good in...
Article
Full-text available
Introduction/ Background Cancer is a disease that affects millions worldwide and accurate determination of whether lymph nodes (LNs) near the primary tumor contain metastatic foci is of critical importance for proper patient management. Histopathological evaluation is the only accepted method to make that determination. However, the current standar...
Article
Full-text available
Introduction/ Background The interaction between tumor and surrounding microenvironment (TME) is recognized as playing an important role in the progression of the disease. Understanding of the interaction between tumor and immune system is the focus of several studies dedicated to the improvement of cancer immunotherapy effectiveness [1]. On the ot...
Conference Paper
This paper deals with the problem of three-dimensional volume reconstruction from two-dimensional projections with unknown orientations. This situation occurs in cryo-electron microscopy. A method determining the orientations and reconstructing the volume jointly from scratch (ab initio) is presented in this work. It is based on a heuristic cost mi...
Article
Full-text available
Crypt architecture is one of the most significant histological features used for the examination of colorectal biopsy specimens enabling clinical decisions in the investigation of Inflammatory Bowel Diseases. However , the architecture modelling remains a challenging problem leading to variability in reporting and subjectiv-ity in pathological exam...
Data
Full-text available
Congrès sous l’égide de la Société Française de Génie Biologique et Médical (SFGBM).
Conference Paper
Full-text available
Crypt architecture is one of the most significant histological features used for the examination of colorectal biopsy specimens enabling clinical decisions in the investigation of Inflammatory Bowel Diseases. However , the architecture modelling remains a challenging problem leading to variability in reporting and subjectiv-ity in pathological exam...
Conference Paper
This paper deals with the reconstruction of gray level images from unoriented tomographic projections as it occurs in cryo electron microscopy. For this problem, classical methods proceed in three steps, firstly angular assignation, then image reconstruction from angular information and input projections and thirdly angular assignation refinement f...

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Projects

Projects (2)
Archived project
Project
The project aims to deploy and validate an ICT platform envisioned to provide enhanced services to the different actors involved in the healthcare chain. The modular and multilayer solution will allow to move from: reporting (what happened?) to prediction (what might happened?) and finally to prescription (why it will happen?). One of the use cases will be dedicated to Digital Pathology.