FROTIS DE SANGRE PERIFERICA PDF

Detección, Clasificación y Conteo de Leucocitos en Frotis de Sangre Periférica. J . Martínez-Castro* S. Reyes-Cadena** E. Felipe-Riverón *. * Centro de. Scribd is the world’s largest social reading and publishing site. FROTIS DE SANFRE PERIFERICA Un frotis de sangre preparado en forma adecuada es esencial para asegurar la evaluación correcta de la morfología.

Author: Dull Vosida
Country: Saudi Arabia
Language: English (Spanish)
Genre: Business
Published (Last): 10 February 2008
Pages: 44
PDF File Size: 20.90 Mb
ePub File Size: 18.49 Mb
ISBN: 433-2-20594-290-2
Downloads: 22756
Price: Free* [*Free Regsitration Required]
Uploader: Musida

The only way and often the best option is to have a human df observer or more than one to define the ground truth by generating manual outlines [2]. Arya, and Harish Sharma.

Leukocytes segmentation After segmenting the nuclei to isolate them from the erythrocytes, we proceed to separate them from the nuclear membrane. In contrast to the erythrocytes, leukocytes contain abundant cytoplasmic granulations among other characteristics that let us clearly distinguish them from each other. Neutrophils, Eosinophils, Basophils, Monocytes and Lymphocytes.

Next, we included an analysis of the antecedents and the state of the art. Biblioteca Nacional de Medicina de Estados Unidos. Conganat; [citado 23 Feb ]. Finally we discuss the results and conclusions of the paper. However, it is still necessary to obtain the objects of interest in its original color in order to extract from them the characteristics that will help periefrica to classify them.

Swar m an d Evolutionar y Computation11 0: Rev Hosp Ital B Aires. Note the difference in color of leukocytes respect to the erythrocytes color and background. Estas anemias se presentan con frecuencia en el adulto mayor. The leukocytes, better known as white blood cells, lack of pigment.

The counting and classification of leukocytes is a task that in most cases until today is carried out manually by a clinical laboratory technician or hematopathologist who requires years of study and experience and usually uses a manual counter of leukocytes to perform this task.

  INTERNATIONAL POLITICAL ECONOMY JEFFRY FRIEDEN PDF

Fortunately, the science of electronics and epriferica has moved closer to other branches of knowledge, as it is the case of the hematology, in order to support and provide solutions to the problems they face. Wolters Kluwer; [citado grotis Mar ].

Reporting and grading of abnormal red blood cell morphology. In the other side, the system could be used in emerging areas such as the topographic hematology and the chronobiology. The tincture most frequently employed for dying leukocytes is called Wright and Giemsa.

Departamento de Medicina; There are instruments such as flow cytometer and automatic counting machines that examine white blood cells quantitatively but not qualitatively.

Journa l o f Clinica l Pathology60 1: The distance measure used was the Manhattan distance.

Manzoni D, Sujobert P. Examination of peripheral blood films using automated microscopy; evaluation of diffmaster octavia and cellavision dm After smoothing the image it was observed the presence of some artifacts that are not part of the objects of interest, which must be removed with the help peirferica a median filter, and a couple of morphological filters. The adaptive thresholding [13] is a method that enables us to select the optimal threshold based on the probability distribution of gray levels represented in the histogram of the image.

Imag e Visio n Comput.

Frotis de sangre

Revista de Inmunoalergia perifegica en Internet]. The first step was to separate the white blood cells from the red blood cells. Nuclei segmentation The first step was to separate the white blood cells from the red blood cells.

In [13] image processing algorithms are proposed to recognize five types of white blood cells in peripheral blood automatically.

  ANATOMIA COMPARATA DEI MAMMIFERI DOMESTICI PDF

Frotis de sangre – Wikipedia, la enciclopedia libre

The clear difference in color of leukocytes is achieved by using a particular tincture to produce the smear. The main goal of this paper is related to those leukocytes present in the peripheral blood; they constitute an important component of the immune system which defends sangr body against infectious diseases and foreign substances.

Iron, Hemoglobin and Bilirrubin. The system could be used in emerging areas such as the topographic hematology and the chronobiology.

The value selected for k was The repetitive procedure proved to be very tedious and in the long run can cause disruptions in the visual health of the people sanre for this task. Using the k -NN classifier in combination with the first Minkowski metric, in addition to techniques of digital image processing, a computational system platform-independent was able to identify, to classify and to count the five normal types of leukocytes.

Discriminatory analysis, nonparametric discrimination: Blood cell image segmentation: An Med Interna Madrid [revista perifericaa Internet]. More recently Ghosh et al. Images are initially normalized in size. However, the ground truth in medical imaging is an elusive concept because there is not a clear and absolute way to define it.

On the other hand, neutrophils and eosinophils have a greater size than basophils, and have a clear differentiation in the amount of cytoplasm with respect to the monocytes and lymphocytes.