Compressive Pattern Matching on Multispectral Data

We introduce a new constrained minimization problem that performs template and pattern detection on a multispectral image in a compressive sensing context. We use an original minimization problem from Guo and Osher that uses $L_1$ minimization techniques to perform template detection in a multispectral image. We first adapt this minimization problem to work with compressive sensing data. Then we extend it to perform pattern detection using a formal transform called the spectralization along a pattern. That extension brings out the problem of measurement reconstruction. We introduce shifted measurements that allow us to reconstruct all the measurement with a small overhead and we give an optimality constraint for simple patterns. We present numerical results showing the performances of the original minimization problem and the compressed ones with different measurement rates and applied on remotely sensed data.Comment: Published in IEEE Transactions on Geoscience and Remote Sensin

Pets or Pest: Peritoneal Dialysis-related Peritonitis due to Pasteurella multocida

Pasteurella multocida is a Gram-negative bacteria found in the oropharynx of many domestic animals. P. multocida can cause a variety of human infections, but it remains a rare cause of peritoneal dialysis-related peritonitis. We describe a severe case of peritoneal dialysis-related peritonitis due to P. multocida infection caused by close contact with a cat

Fidelismo y contrarrevolución: la ciudad de Arequipa frente a la revolución del Cuzco (1814-1815).

The initial Spanish-american response to the crisis of the Spanish monarchy was one of loyalty to the king. It was also the beginning of an unknown number of uprisings, seditions, and conspiracies. Therefore, Peruvian historiography has highlighted the counterrevolutionary policy of Viceroy José Fernando de Abascal (1743-1821), a royal official who managed to consolidate the Peruvian viceroyalty as a realistic stronghold. However, the revolution in Cuzco, which began in August 1814, was a severe blow to the Peruvian fidelista authorities. Arequipa, a Peruvian city considered a royalist bastion, tried to resist the revolutionary attacks in Cuzco and, despite resisting, was militarily occupied by the revolutionary hosts of Cuzco for about a month. Therefore, the objective of this article is to describe the actions of the civil and military authorities during the monarchical restoration in the city from December 1814 to the first months of 1815.La respuesta inicial hispanoamericana frente a la crisis de la monarquía española fue de fidelidad al rey; asimismo, fue el inicio de un número indeterminado de levantamientos, sediciones y conspiraciones. En ese sentido, la historiografía peruana ha destacado la política contrarrevolucionaria del virrey José Fernando de Abascal (1743-1821), un funcionario real que logró consolidar al virreinato peruano como un bastión realista. Sin embargo, la revolución del Cuzco, que se inició en agosto de 1814, significó un duro golpe para las autoridades fidelistas peruanas. Arequipa, una ciudad peruana considerada como un bastión realista, intentó resistir los embates revolucionarios cuzqueños y, a pesar de presentar resistencia, fue ocupada militarmente por las huestes revolucionarias cusqueñas alrededor de un mes. El objetivo del presente artículo es describir la actuación de las autoridades civiles y militares durante la restauración monárquica en la mencionada ciudad desde diciembre de 1814 hasta los primeros meses de 1815

Dossier. Introducción: Contra la patria: actores realistas en el espacio sur-andino. 1809-1825.

DOSSIER “AGAINST THE HOMELAND: REALIST ACTORS IN THE SOUTH-ANDEAN SPACE. 1809-1825”. Introduction.DOSSIER “CONTRA LA PATRIA: ACTORES REALISTAS EN EL ESPACIO SUR-ANDINO. 1809-1825”. Introducción

Design and Manufacture of a Highly Reliable, Miniaturized and Low Mass Shutter Mechanism

This paper describes the development, manufacturing and testing of a lightweight shutter mechanism made of titanium for the MERTIS Instrument. MERTIS is a thermal infrared imaging spectrometer onboard ESA's future BepiColombo mission to Mercury. The mechanism is built as a parallelogram arrangement of flexible hinges, actuated by a voice coil. In a first test run, it was shown that the selected EDM processing led to the generation of titanium oxides and an oxygen-enriched surface layer on the substrate (so called alpha-case layer). In the revised version of the shutter, it was possible to manufacture the complex geometry by micro-milling and an adjacent pickling procedure. The adequacy of this approach was verified by lifetime and vibration testing