The Experts below are selected from a list of 59904 Experts worldwide ranked by ideXlab platform
Eric Petit - One of the best experts on this subject based on the ideXlab platform.
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Volumetric Relief Map for intracranial cerebrospinal fluid distribution analysis
Computerized Medical Imaging and Graphics, 2015Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:Cerebrospinal fluid imaging plays a significant role in the clinical diagnosis of brain disorders, such as hydrocephalus and Alzheimer's disease. While three-dimensional images of cerebrospinal fluid are very detailed, the complex structures they contain can be time-consuming and laborious to interpret. This paper presents a simple technique that represents the intracranial cerebrospinal fluid distribution as a two-dimensional image in such a way that the total fluid volume is preserved. We call this a volumetric Relief Map, and show its effectiveness in a characterization and analysis of fluid distributions and networks in hydrocephalus patients and healthy adults.
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volumetric Relief Map for the cortical subarachnoid space analysis
2013Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:Purpose: Medical image visualization is an important step in the medical diagnosis of hydrocephalus. In this paper, we present planar representations called volumetric Relief Maps that are generated from three-dimensional images of the cerebrospinal fluid within the cortical subarachnoid space. Such Maps are visually interpreted at once and allow to automatically characterize fluid distributions. Consequently, they help specialists to provide a diagnosis and to monitor patients instantly. Methods: Volumetric Relief Maps are generated by enclosing the cortical subarachnoid space with a hemisphere, and using a ray tracing method and a Map projection technique from a hemisphere to a plane. Results: Visualization of Maps indicates that healthy adults have more balanced fluid distributions with well-filled sulci, unlike hydrocephalus patients who have more or less large fluid depletions in the posterior regions of the brain. We showed that a moment-based approach allows to efficiently characterize such fluid distributions from Maps. In particular, the center of mass of a distribution is an efficient discriminant factor to distinguish between healthy adults and hydrocephalus patients, with resulting sensitivity and specificity of 100%. In addition, we have noted that asymmetry of the fluid distribution increases with depletion for hydrocephalus patients; such asymmetry is generally oriented towards the frontal part of the fissura longitudinalis cerebri. Conclusions: This paper describes an innovative visualization tool used to analyze fluid distribution within the cortical subarachnoid space. It allows to efficiently discriminate between healthy adults and pathological cases, and to monitor patients before and after surgery.
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Relief Map of the upper cortical subarachnoid space
Computer Assisted Radiology and Surgery, 2013Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:This paper proposes a method to retrieve a two-dimensional Relief Map of the cerebrospinal fluid distribution in the upper cortical subarachnoid space from three-dimensional magnetic resonance images. This new representation provides both qualitative and quantitative information on the fluid distribution that surrounds the brain. Relief Maps can efficiently be used for the diagnosis and the monitoring of hydrocephalus patients.
Alain Lebret - One of the best experts on this subject based on the ideXlab platform.
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Volumetric Relief Map for intracranial cerebrospinal fluid distribution analysis
Computerized Medical Imaging and Graphics, 2015Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:Cerebrospinal fluid imaging plays a significant role in the clinical diagnosis of brain disorders, such as hydrocephalus and Alzheimer's disease. While three-dimensional images of cerebrospinal fluid are very detailed, the complex structures they contain can be time-consuming and laborious to interpret. This paper presents a simple technique that represents the intracranial cerebrospinal fluid distribution as a two-dimensional image in such a way that the total fluid volume is preserved. We call this a volumetric Relief Map, and show its effectiveness in a characterization and analysis of fluid distributions and networks in hydrocephalus patients and healthy adults.
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volumetric Relief Map for the cortical subarachnoid space analysis
2013Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:Purpose: Medical image visualization is an important step in the medical diagnosis of hydrocephalus. In this paper, we present planar representations called volumetric Relief Maps that are generated from three-dimensional images of the cerebrospinal fluid within the cortical subarachnoid space. Such Maps are visually interpreted at once and allow to automatically characterize fluid distributions. Consequently, they help specialists to provide a diagnosis and to monitor patients instantly. Methods: Volumetric Relief Maps are generated by enclosing the cortical subarachnoid space with a hemisphere, and using a ray tracing method and a Map projection technique from a hemisphere to a plane. Results: Visualization of Maps indicates that healthy adults have more balanced fluid distributions with well-filled sulci, unlike hydrocephalus patients who have more or less large fluid depletions in the posterior regions of the brain. We showed that a moment-based approach allows to efficiently characterize such fluid distributions from Maps. In particular, the center of mass of a distribution is an efficient discriminant factor to distinguish between healthy adults and hydrocephalus patients, with resulting sensitivity and specificity of 100%. In addition, we have noted that asymmetry of the fluid distribution increases with depletion for hydrocephalus patients; such asymmetry is generally oriented towards the frontal part of the fissura longitudinalis cerebri. Conclusions: This paper describes an innovative visualization tool used to analyze fluid distribution within the cortical subarachnoid space. It allows to efficiently discriminate between healthy adults and pathological cases, and to monitor patients before and after surgery.
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Relief Map of the upper cortical subarachnoid space
Computer Assisted Radiology and Surgery, 2013Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:This paper proposes a method to retrieve a two-dimensional Relief Map of the cerebrospinal fluid distribution in the upper cortical subarachnoid space from three-dimensional magnetic resonance images. This new representation provides both qualitative and quantitative information on the fluid distribution that surrounds the brain. Relief Maps can efficiently be used for the diagnosis and the monitoring of hydrocephalus patients.
Yukiko Kenmochi - One of the best experts on this subject based on the ideXlab platform.
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Volumetric Relief Map for intracranial cerebrospinal fluid distribution analysis
Computerized Medical Imaging and Graphics, 2015Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:Cerebrospinal fluid imaging plays a significant role in the clinical diagnosis of brain disorders, such as hydrocephalus and Alzheimer's disease. While three-dimensional images of cerebrospinal fluid are very detailed, the complex structures they contain can be time-consuming and laborious to interpret. This paper presents a simple technique that represents the intracranial cerebrospinal fluid distribution as a two-dimensional image in such a way that the total fluid volume is preserved. We call this a volumetric Relief Map, and show its effectiveness in a characterization and analysis of fluid distributions and networks in hydrocephalus patients and healthy adults.
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volumetric Relief Map for the cortical subarachnoid space analysis
2013Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:Purpose: Medical image visualization is an important step in the medical diagnosis of hydrocephalus. In this paper, we present planar representations called volumetric Relief Maps that are generated from three-dimensional images of the cerebrospinal fluid within the cortical subarachnoid space. Such Maps are visually interpreted at once and allow to automatically characterize fluid distributions. Consequently, they help specialists to provide a diagnosis and to monitor patients instantly. Methods: Volumetric Relief Maps are generated by enclosing the cortical subarachnoid space with a hemisphere, and using a ray tracing method and a Map projection technique from a hemisphere to a plane. Results: Visualization of Maps indicates that healthy adults have more balanced fluid distributions with well-filled sulci, unlike hydrocephalus patients who have more or less large fluid depletions in the posterior regions of the brain. We showed that a moment-based approach allows to efficiently characterize such fluid distributions from Maps. In particular, the center of mass of a distribution is an efficient discriminant factor to distinguish between healthy adults and hydrocephalus patients, with resulting sensitivity and specificity of 100%. In addition, we have noted that asymmetry of the fluid distribution increases with depletion for hydrocephalus patients; such asymmetry is generally oriented towards the frontal part of the fissura longitudinalis cerebri. Conclusions: This paper describes an innovative visualization tool used to analyze fluid distribution within the cortical subarachnoid space. It allows to efficiently discriminate between healthy adults and pathological cases, and to monitor patients before and after surgery.
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Relief Map of the upper cortical subarachnoid space
Computer Assisted Radiology and Surgery, 2013Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:This paper proposes a method to retrieve a two-dimensional Relief Map of the cerebrospinal fluid distribution in the upper cortical subarachnoid space from three-dimensional magnetic resonance images. This new representation provides both qualitative and quantitative information on the fluid distribution that surrounds the brain. Relief Maps can efficiently be used for the diagnosis and the monitoring of hydrocephalus patients.
Jerome Hodel - One of the best experts on this subject based on the ideXlab platform.
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Volumetric Relief Map for intracranial cerebrospinal fluid distribution analysis
Computerized Medical Imaging and Graphics, 2015Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:Cerebrospinal fluid imaging plays a significant role in the clinical diagnosis of brain disorders, such as hydrocephalus and Alzheimer's disease. While three-dimensional images of cerebrospinal fluid are very detailed, the complex structures they contain can be time-consuming and laborious to interpret. This paper presents a simple technique that represents the intracranial cerebrospinal fluid distribution as a two-dimensional image in such a way that the total fluid volume is preserved. We call this a volumetric Relief Map, and show its effectiveness in a characterization and analysis of fluid distributions and networks in hydrocephalus patients and healthy adults.
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volumetric Relief Map for the cortical subarachnoid space analysis
2013Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:Purpose: Medical image visualization is an important step in the medical diagnosis of hydrocephalus. In this paper, we present planar representations called volumetric Relief Maps that are generated from three-dimensional images of the cerebrospinal fluid within the cortical subarachnoid space. Such Maps are visually interpreted at once and allow to automatically characterize fluid distributions. Consequently, they help specialists to provide a diagnosis and to monitor patients instantly. Methods: Volumetric Relief Maps are generated by enclosing the cortical subarachnoid space with a hemisphere, and using a ray tracing method and a Map projection technique from a hemisphere to a plane. Results: Visualization of Maps indicates that healthy adults have more balanced fluid distributions with well-filled sulci, unlike hydrocephalus patients who have more or less large fluid depletions in the posterior regions of the brain. We showed that a moment-based approach allows to efficiently characterize such fluid distributions from Maps. In particular, the center of mass of a distribution is an efficient discriminant factor to distinguish between healthy adults and hydrocephalus patients, with resulting sensitivity and specificity of 100%. In addition, we have noted that asymmetry of the fluid distribution increases with depletion for hydrocephalus patients; such asymmetry is generally oriented towards the frontal part of the fissura longitudinalis cerebri. Conclusions: This paper describes an innovative visualization tool used to analyze fluid distribution within the cortical subarachnoid space. It allows to efficiently discriminate between healthy adults and pathological cases, and to monitor patients before and after surgery.
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Relief Map of the upper cortical subarachnoid space
Computer Assisted Radiology and Surgery, 2013Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:This paper proposes a method to retrieve a two-dimensional Relief Map of the cerebrospinal fluid distribution in the upper cortical subarachnoid space from three-dimensional magnetic resonance images. This new representation provides both qualitative and quantitative information on the fluid distribution that surrounds the brain. Relief Maps can efficiently be used for the diagnosis and the monitoring of hydrocephalus patients.
Philippe Decq - One of the best experts on this subject based on the ideXlab platform.
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Volumetric Relief Map for intracranial cerebrospinal fluid distribution analysis
Computerized Medical Imaging and Graphics, 2015Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:Cerebrospinal fluid imaging plays a significant role in the clinical diagnosis of brain disorders, such as hydrocephalus and Alzheimer's disease. While three-dimensional images of cerebrospinal fluid are very detailed, the complex structures they contain can be time-consuming and laborious to interpret. This paper presents a simple technique that represents the intracranial cerebrospinal fluid distribution as a two-dimensional image in such a way that the total fluid volume is preserved. We call this a volumetric Relief Map, and show its effectiveness in a characterization and analysis of fluid distributions and networks in hydrocephalus patients and healthy adults.
-
volumetric Relief Map for the cortical subarachnoid space analysis
2013Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:Purpose: Medical image visualization is an important step in the medical diagnosis of hydrocephalus. In this paper, we present planar representations called volumetric Relief Maps that are generated from three-dimensional images of the cerebrospinal fluid within the cortical subarachnoid space. Such Maps are visually interpreted at once and allow to automatically characterize fluid distributions. Consequently, they help specialists to provide a diagnosis and to monitor patients instantly. Methods: Volumetric Relief Maps are generated by enclosing the cortical subarachnoid space with a hemisphere, and using a ray tracing method and a Map projection technique from a hemisphere to a plane. Results: Visualization of Maps indicates that healthy adults have more balanced fluid distributions with well-filled sulci, unlike hydrocephalus patients who have more or less large fluid depletions in the posterior regions of the brain. We showed that a moment-based approach allows to efficiently characterize such fluid distributions from Maps. In particular, the center of mass of a distribution is an efficient discriminant factor to distinguish between healthy adults and hydrocephalus patients, with resulting sensitivity and specificity of 100%. In addition, we have noted that asymmetry of the fluid distribution increases with depletion for hydrocephalus patients; such asymmetry is generally oriented towards the frontal part of the fissura longitudinalis cerebri. Conclusions: This paper describes an innovative visualization tool used to analyze fluid distribution within the cortical subarachnoid space. It allows to efficiently discriminate between healthy adults and pathological cases, and to monitor patients before and after surgery.
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Relief Map of the upper cortical subarachnoid space
Computer Assisted Radiology and Surgery, 2013Co-Authors: Alain Lebret, Alain Rahmouni, Yukiko Kenmochi, Jerome Hodel, Philippe Decq, Eric PetitAbstract:This paper proposes a method to retrieve a two-dimensional Relief Map of the cerebrospinal fluid distribution in the upper cortical subarachnoid space from three-dimensional magnetic resonance images. This new representation provides both qualitative and quantitative information on the fluid distribution that surrounds the brain. Relief Maps can efficiently be used for the diagnosis and the monitoring of hydrocephalus patients.