Magia y artilugios teatrales en «La cueva de Salamanca», de Juan Ruiz de Alarcón

Existence de la brucellose en Iran. Isolement de Brucella abortus

Situación de la conducta suicida en estudiantes de colegios y universidades de San Juan de Pasto, Colombia

SUMMARY Suicidal behavior, in its different manifestations, represents an international public health problem, being one of the ten main causes of general mortality and one of the three top main causes of death in adolescence and young adulthood. The statistics of suicidal attempts are also very worrying, even more if it is considered that for each case of suicide attempt attended in a health-c...

Sur la frequence de leptospirose en Iran

Sur la fréquence de leptospirose en Iran

Mejora de Contraste y Compensación en Cambios de la Iluminación

In this paper a contrast operator built by means of two primitives involving Weber’s Law is presented. The proposed contrast mapping has two objectives, in the first place the contrast enhancement and in the second, the normalization of the processed image. The contrast enhancement is based on the image background detection; this parameter is computed through the analysis of the regional minimu...