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2018 ◽  
Vol 15 (26) ◽  
pp. 187-208
Author(s):  
DESIRÉE TOZI ◽  
ANDRE LUIS NASCIMENTO DOS SANTOS

O presente ensaio, á  luz da influência de se pensar a ficcionalidade e cientificidade do discurso etnográfico, propõe-se a analisar como os pareceres e laudos antropológicos que instruá­ram os processos de tombamento de terreiros pelos Iphan, ao longo dos últimos 30 anos, reproduzem, como referência de ”verdade”, as etnografias produzidas sobre os candomblés baianos, na primeira metade do século XX. Defendemos a tese de que a ausência de um recorte mais preciso e de uma análise mais ficcional dessas obras tem produzido um modelo de terreiro de candomblé que não encontra projeção nos processos de tombamento de terreiros que ainda se encontram em aberto nessa instituição da salvaguarda do patrimônio cultural brasileiro. Como itinerário metodológico, inicialmente, realizaremos uma breve sá­ntese das etnografias que inspiraram a produção desses discursos patrimoniais ao longo do século vinte e, num segundo momento, analisaremos os documentos dos processos de tombamento já finalizados pelos Iphan.Palavras-chave:  Etnografia. Patrimônio. Terreiros.  HISTORY OF A LEGACY: the ethnographies of religions of African matrices in the patrimonial discourseAbstract: This essay proposes to, in light of the influence of thinking about the fictionality and scientificity of ethnographic discourse, analyze how the anthropological opinions and reports that instructed the processes of terreiros landmarking by IPHAN during the last 30 years, reproduce, as a reference of "truth", the ethnographies brought forth on the Bahian candomblés, throughout the first half of the 20th century. We defend the thesis that the absence of a more precise indenture and a more fictional analysis of these works have produced a model of candomblé terreiro that does not find projection in the processes of landmarking terreiros that are still existing in this institution in respect to safeguarding the patrimony cultural background. Initially, applying a methodological itinerary, a brief synthesis of the ethnographies that inspired the production of these patrimonial discourses throughout the twentieth century will be presented, and secondly, the documents of the processes of landmarking already finalized by IPHAN, will be analyzed.Keywords: Ethnography. Patrimony. Terreiros.  HISTORIA DE UN LEGADO:  las etnografá­as de religiones de matrices africanas en el discurso patrimonialResumen: El presente ensayo, a la luz de la influencia de pensar en la ficcionalidad y la cientificidad del discurso etnográfico, se propone analizar como los dictámenes y laudos antropológicos que instruyeron los procesos de oficialización de patrimonio a los terreiros por los Iphan, a lo largo de los últimos 30 años, reproducen, como referencia de ”verdad”, las etnografá­as producidas sobre los candomblés bahianos, en la primera mitad del siglo XX. Defendemos la tesis de que la ausencia de un recorte más preciso y de un análisis más ficcional de esas obras ha producido un modelo de terreiro de candomblé que no encuentra proyección en los procesos de oficialización de patrimonio a los terreros que aún se encuentran abiertos en esa institución de salvaguardia del patrimonio cultural brasileño. Como itinerario metodológico, primeramente, realizaremos una breve sá­ntesis de las etnografá­as que inspiraron la producción de esos discursos patrimoniales a lo largo del siglo veinte y, en un segundo momento, analizaremos los documentos de los procesos de oficialización ya finalizados por los Iphan.Palabras clave:  Etnografá­a. Equidad. Terreiros.  


2017 ◽  
pp. 331-353
Author(s):  
Shrinivas D. Desai ◽  
Linganagouda Kulkarni

Metallic implants are known to generate bright and dark streaking artifacts in x-ray computed tomography (CT) images. These artifacts cause loss of information, reduces the resolution, forms noise which hinders diagnostic capability. The reduction of metal artifact is of immense importance in the present scenario. We propose seeded watershed segmentation-interpolation based sinogram correction method to reduce the metal artifacts caused by metallic implants. We tend to find projection bins affected by the metallic objects in the raw projection data and to replace the corrupted values by appropriate estimates. The novelty of proposed method lies in segmentation of metal part from the CT image by seeded watershed segmentation method, using IlastiK tool. Proposed method is experimented using dataset pertaining to different clinical cases. Solution is studied for correctness by quantitatively as well as qualitatively. The result presents significant improvement in artifact reduction aiding to better diagnostic ability.


Author(s):  
Shrinivas D. Desai ◽  
Linganagouda Kulkarni

Metallic implants are known to generate bright and dark streaking artifacts in x-ray computed tomography (CT) images. These artifacts cause loss of information, reduces the resolution, forms noise which hinders diagnostic capability. The reduction of metal artifact is of immense importance in the present scenario. We propose seeded watershed segmentation-interpolation based sinogram correction method to reduce the metal artifacts caused by metallic implants. We tend to find projection bins affected by the metallic objects in the raw projection data and to replace the corrupted values by appropriate estimates. The novelty of proposed method lies in segmentation of metal part from the CT image by seeded watershed segmentation method, using IlastiK tool. Proposed method is experimented using dataset pertaining to different clinical cases. Solution is studied for correctness by quantitatively as well as qualitatively. The result presents significant improvement in artifact reduction aiding to better diagnostic ability.


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