منابع مشابه
Clean Milk without Expense
The interesting fact emerges that farm workers, not properly instructed in the cleansing of covered pails, were actually getting worse results with them than with open pails :? Buckets, open and covered, were washed by the farm hands with warm water and a cloth in accordance with the usual practice. The milk taken into the covered bucket contained many more bacteria than that taken into the ope...
متن کاملNoise2Noise: Learning Image Restoration without Clean Data
We apply basic statistical reasoning to signal reconstruction by machine learning — learning to map corrupted observations to clean signals — with a simple and powerful conclusion: under certain common circumstances, it is possible to learn to restore signals without ever observing clean ones, at performance close or equal to training using clean exemplars. We show applications in photographic ...
متن کاملDenoising without access to clean data using a partitioned autoencoder
Training a denoising autoencoder neural network requires access to truly clean data, a requirement which is often impractical. To remedy this, we introduce a method to train an autoencoder using only noisy data, having examples with and without the signal class of interest. The autoencoder learns a partitioned representation of signal and noise, learning to reconstruct each separately. We illus...
متن کاملA note on uniquely (nil) clean ring
A ring R is uniquely (nil) clean in case for any $a in R$ there exists a uniquely idempotent $ein R$ such that $a-e$ is invertible (nilpotent). Let $C =(A V W B)$ be the Morita Context ring. We determine conditions under which the rings $A,B$ are uniquely (nil) clean. Moreover we show that the center of a uniquely (nil) clean ring is uniquely (nil) clean.
متن کاملCan Break-Dance Break Your Neck? C1/C2 Luxation with a Combined Dens Fracture Without Neurological Deficits in an 11-Year Old Boy After a Break-Dance Performance.
Atlantoaxial dislocation in children is a very rare condition. We present the case of a dislocation happened during a break-dance maneuver. The purpose of this report is describing dangers of break-dancing and discussing the treatment we chose. The patient was followed up until 12 months after surgery. Magnetic resonance imaging and computed tomography of the cervical spine were evaluated. Tran...
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ژورنال
عنوان ژورنال: Environment and Planning A: Economy and Space
سال: 1979
ISSN: 0308-518X,1472-3409
DOI: 10.1068/a110281