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 Tips Details |
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Self-training statistic snake for image segmentation and tracking
In this work we propose a new supervised deformable model that generalizes the classical contour-based snake. This model is defined to deform in a feature space generated by a set of Gaussian derivative filter responses. The snake selects and classifies image features by a parametric vector that gives the direction in the feature space minimizing the dissimilarity between the learned and found image features and maximizing the distance between different contour configurations. Each snake curve patch is devoted to searching for a special contour configuration. The classes corresponding to different contour configurations are obtained by means of a statistical supervised learning technique using samples of different contours and no contour points. The snake starts with a large set of Gaussian filters that is reduced by means of principal component analysis in a supervised way to optimize it in the feature search |
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Ferret training tips
The first tip in ferret training: do not buy a ferret to teach a child responsibility. Buy a ferret for a responsible child. Children like to grab at small animals, pick things up by their tails, and tend to make sudden movements around them. These are not acceptable behaviors when dealing with an often-skittish animal. Training a ferret first begins with you. Once you have trained yourself in observance of their behavior then you can begin to train them. It never hurts to read a book or two on their behavior.The second tip is to derail the tendency to nip or bite. Some ferrets nip, some do not. However, all have very sharp teeth that you wish to avoid. Like dogs, ferrets main communication tool is their mouths. Nipping can be a reaction to fear, it can be playful, or it may think that your pink finger is its next meal. It is up to you to "nip" it in the bud. Ferrets never respond well to being hit, therefore never hit a ferret. The best method of discipline is to grasp the scruff of the neck much like a puppy. Couple this with a loud and firm "NO!" and that should work. Another useful method that works for stubborn ferrets is to flick them quickly on the end of the nose. Be sure that it is done without the intent to harm, because the nose is their most sensitive area. Just a quick flick usually deters bad behavior of any kind. |
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Tiger training
You’ve just spent the morning planting tulips and daydreaming about how splendid they’ll look next spring. Digger, your beloved canine companion, was at your side watching attentively as one bulb after another disappeared beneath the cool, moist soil.
At noon you abandon the trowel and tulips for lunch, leaving Digger outside asleep under the apple tree. When you return you discover your beloved pet has painstakingly rooted through the entire garden, dug up every bulb, and placed them in a neat pile beside your garden gloves.
Naturally, your first reaction will be to scream at Digger, telling him he’s BAD! But before you do, think about this scenario from a canine perspective.
From a Dog’s Point-of-View
Consider your dog’s breed. Certain species are more inclined to dig because that’s what they’ve been born to do. All Terriers and Dachshunds, for example, were originally bred to dig into underground rabbit warrens or fox dens. Digging comes naturally for them, and it is an extremely pleasurable experience. Siberian Huskies and other sled dog breeds dig because of their instinct to burrow in snow. Pregnant females dig to make a nest in preparation for whelping. Bearing this in mind, how can we expect our dogs to know that this is not a desirable behavior? |
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