Reseña del Libro : Pareja, sexualidad y familia en los años sesenta. Una revolución discreta en Buenos Aires, de Isabella Cosse

En el presente escrito nos proponemos reseñar el libro de Isabella Cosse "Pareja, sexualidad y familia en los años sesenta", publicado a fines de 2010. Se analizará críticamente los principales ejes que componen la obra que reflexiona sobre los cambios, continuidades y transformaciones en las reglas del cortejo y del noviazgo, la sexualidad, el matrimonio, la maternidad y la paternidad entre fines de los años cincuenta hasta mediados de la década del setenta

Reseña del Libro : Pareja, sexualidad y familia en los años sesenta. Una revolución discreta en Buenos Aires, de Isabella Cosse

En el presente escrito nos proponemos reseñar el libro de Isabella Cosse "Pareja, sexualidad y familia en los años sesenta", publicado a fines de 2010. Se analizará críticamente los principales ejes que componen la obra que reflexiona sobre los cambios, continuidades y transformaciones en las reglas del cortejo y del noviazgo, la sexualidad, el matrimonio, la maternidad y la paternidad entre fines de los años cincuenta hasta mediados de la década del setenta

Quality assessment by region in spot images fused by means dual-tree complex wavelet transform

This work is motivated in providing and evaluating a fusion algorithm of remotely sensed images, i.e. the fusion of a high spatial resolution panchromatic image with a multi-spectral image (also known as pansharpening) using the dual-tree complex wavelet transform (DT-CWT), an effective approach for conducting an analytic and oversampled wavelet transform to reduce aliasing, and in turn reduce shift dependence of the wavelet transform. The proposed scheme includes the definition of a model to establish how information will be extracted from the PAN band and how that information will be injected into the MS bands with low spatial resolution. The approach was applied to Spot 5 images where there are bands falling outside PAN’s spectrum. We propose an optional step in the quality evaluation protocol, which is to study the quality of the merger by regions, where each region represents a specific feature of the image. The results show that DT-CWT based approach offers good spatial quality while retaining the spectral information of original images, case SPOT 5. The additional step facilitates the identification of the most affected regions by the fusion process.

Bio-inspired FPGA Architecture for Self-Calibration of an Image Compression Core based on Wavelet Transforms in Embedded Systems

A generic bio-inspired adaptive architecture for image compression suitable to be implemented in embedded systems is presented. The architecture allows the system to be tuned during its calibration phase. An evolutionary algorithm is responsible of making the system evolve towards the required performance. A prototype has been implemented in a Xilinx Virtex-5 FPGA featuring an adaptive wavelet transform core directed at improving image compression for specific types of images. An Evolution Strategy has been chosen as the search algorithm and its typical genetic operators adapted to allow for a hardware friendly implementation. HW/SW partitioning issues are also considered after a high level description of the algorithm is profiled which validates the proposed resource allocation in the device fabric. To check the robustness of the system and its adaptation capabilities, different types of images have been selected as validation patterns. A direct application of such a system is its deployment in an unknown environment during design time, letting the calibration phase adjust the system parameters so that it performs efcient image compression. Also, this prototype implementation may serve as an accelerator for the automatic design of evolved transform coefficients which are later on synthesized and implemented in a non-adaptive system in the final implementation device, whether it is a HW or SW based computing device. The architecture has been built in a modular way so that it can be easily extended to adapt other types of image processing cores. Details on this pluggable component point of view are also given in the paper.