Low frequency detector noise in CMB experiments must be corrected to produce faithful maps of the temperature and polarization anisotropies. For a Planck-type experiment the low frequency noise corrections lead to residual stripes in the maps. Here I show that for a ring torus and idealised detector geometry it is possible to calculate analytically the effects of destriping errors on the temper...

Kentlerde, trafik, sanayi ve eğlence gibi çeşitli faaliyetlerden oluşan çevresel gürültü önemli çevre sorunlarından birisi olmuştur. Gelişmiş ülkelerdeki sağlık sorunları sıralamasında kara, hava demiryollarındaki trafikten kaynaklanan ikinci sırada yer almaktadır. Trafikten gürültünün, insan sağlığı üzerinde negatif etkileri bulunmaktadır. Yüksek nüfus yoğunluğu olan yaşam alanları kaynaklı ma...

Multilinear maps enable homomorphic computation on encoded values and a public procedure to check if the computation on the encoded values results in a zero. Encodings in known candidate constructions of multilinear maps have a noise component, which is crucial for security. However, this noise grows (gets accumulated) with homomorphic computations and must remain below the maximal noise suppor...

A steadily growing number of areas exposed to noise and the resulting detrimental effects on the usable value and the prices of real estate may pose a significant problem in the process of managing real estate in urban areas. Pursuant to the provisions of the EU Environmental Noise Directive 2002/49/EC, the key document for the assessment and management of environmental noise, and the Polish En...

This paper describes the mapmaking procedure applied to Planck LFI (Low Frequency Instrument) data. The mapmaking step takes as input the calibrated timelines and pointing information. The main products are sky maps of I,Q, and U Stokes components. For the first time, we present polarization maps at LFI frequencies. The mapmaking algorithm is based on a destriping technique, enhanced with a noi...

In many types of 3D cameras, The Time-of-Flight (TOF) cameras have the advantages of simplicity for use and lower price for general public. The TOF cameras can obtain depth maps at video speed. However, the TOF cameras suffer from low resolution and high random noise. In this paper, we propose methods to reduce the random noise in depth maps captured by the TOF cameras. For each point in the no...

In this paper, we propose a flexible noise model for multi-dimensional map synthesis. This model allows the generation of a very varied range of maps, that can be used as perturbation functions, for the generation of color textures, or as bump or displacement maps, for geometric deformation of surface or volume objects. We demonstrate that, because the noise construction is random and procedura...