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Abstract In this paper we describe how a distributed real-time underwater video observational system, developed and operated in southern Taiwan, can be used for visual environmental monitoring of a coral reef ecosystem. The method makes use of an innovative fish recognition and identification technique for real-world automatic underwater observation. Our research demonstrated that advanced fish recognition and identification techniques can be used to study fish populations and to identify species of fish that appear for the first time in particular areas of interest. The observational system subsequently accumulates massive tera-scale video data that can be used for long-term studies on coral reef fish. The system has the capacity for efficient and accurate recognition of fishes from the video dataset, which is recorded in a setting of biological abundance in a coral reef ecosystem. A simple and effective preprocess for fish detection from the video data has been developed, in which multiple bounding–surrounding boxes are introduced to discriminate between swimming fish and other moving objects, such as moving sea anemones and drifting water plants. Additional data, including images of various features from a number of fish species, taken at various angles and illumination conditions, can form the basis for a fish-category database. A maximum probability, partial ranking method, based on sparse representation-based classification (SRC-MP), is proposed for real-world fish recognition and identification. Eigenfaces and Fisherfaces are used to extract feature data, by means of the fish-category database. Two parameters — feature space dimension and partial ranking value — are used to optimize the solutions, in which the recognition and identification rates can respectively achieve 81.8% and 96%. Experimental results show that the proposed approach is robust and highly accurate for the use of fish recognition and identification of real-world underwater observational video data.

If you have a cat I'm sure you ll guess what happened

Sharks, together with rays and skates, make up the subclass Elasmobranchii of the Chondrichthyes. Sharks differ from other elasmobranchs, however, and resemble ordinary fishes, in the fusiform shape of their body and in the location of their gill clefts on each side of the head. Though there are exceptions, sharks typically have a tough skin that is dull gray in colour and is roughened by toothlike scales. They also usually have a muscular, asymmetrical, upturned tail; pointed fins; and a pointed snout extending forward and over a crescentic mouth set with sharp triangular teeth. Sharks have no swim bladder and must swim perpetually to keep from sinking to the bottom.

Rumbel / Humans are like ungainly packets of meat when paddling in the ocean and should be easy prey compared to fast-moving fish and seals. So, why are so few people attacked by sharks?

Rumbel / Domestic dogs are mostly kept as pets, though many breeds are capable of surviving on their own, whether it’s in a forest or on city streets. A third of all households worldwide have a dog, according to a 2016 consumer insights study. This makes the domestic dog the most popular pet on the planet.

Shark Attacked in sea water | live Footage | omg Video amazing clips

The internet was apparently invented to share funny pictures of cats. Even though cats are some of the most graceful and poised of all animals, they do have their clumsy and goofy moments. They give us love, but also laughter. Here we have gathered a list of funny cat names guaranteed to make you smile

Check out this video / Cats are too small to kill a human by force with the exception of human babies, although there are no reported cat-related deaths involving infants in recent U.S. history. Domesticated cats are also the subjects of various folklore, including the old wives tale that they can suck the breath from an infant, which might lead some people to believe that they are dangerous with small children. However, cats typically have little incentive to attack a helpless child. They are predators of small animals like mice and birds, and have territorial tendencies directed towards competing animals and predators, therefore babies are relatively safe. The recipients of reported cat attacks have largely been adults, although aggression toward infants has occurred. You won't find statistics about cat bite incidences like you will dogs and exotic pets, because people don't really care.

Check out this video - little baby The lion is a large cat of the genus Panthera native to Africa and India. It has a muscular, deep-chested body, short, rounded head, round ears, and a hairy tuft at the end of its tail. It is sexually dimorphic; adult male lions are larger than females and have a prominent mane

The elegant sea snake is a medium, and slender animal growing to a length of 2 meters (6.6 feet), although in 2008 one was found at a length of 2.6 meters (8.5 feet). Like many other sea snakes, the elegant sea snake has a laterally compressed tail that aids in swimming. These sea snakes can have up to 44 dorsal bands that are grayish black to black that span across the whole length of the body. They have large head scales, and like many other sea snakes, they have nostril valves to prevent water from getting into their lungs while diving. The body scales are imbricate, and in 37–49 rows at the mid-body. The ventral scales are usually undivided and about as wide as, or slightly wider than, neighboring scales of which there are approximately 345–432. Check out this video Thanks for watching

Venus fly traps are native to wetlands on the eastern coast of the United States, specifically the Carolinas. Admittedly, when one ruminates on the origins of the most famous flesh eating vegetation of all-time, the marshes of the cackalacky might not be the first place you think of, but it's true. The VFT , along with roughly 750 different species of meat munching plants , derive at least some of their nutrients by trapping , killing and absorbing insects that make the mistake of falling prey to their crafty snares . their traps (aka lobes) on dead leaves, or dust or whatever else may fall onto them, two trigger hairs inside the mouth of the lobe must be activated. Once the first hair is active , a second hair must be triggered in 20 seconds less , otherwise the lobe stays open For digestion to begin , the activation of five more trigger hairs - not including the two re quired to close the trap - is necessary to further safeguard the needless squandering of diges tive enzymes . By the time digestion begins , the lobe has been completely sealed and will act like a " stomach " until absorption is complete wildlifeinsyder Thanks for watching

little baby puppy videos | Amazing Pet Clips Check out This video #rumble little puppy videos little baby puppy videos poky little puppy video funny little puppy videos bounce little puppy video poky little puppy video tape little tiny puppy videos little bulldog puppy video little puppy dog video little pug puppy video little live pets puppy video a cute puppy video Thanks for watching

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We love our pets for a whole bunch of reasons. They give us cuddles. They're adorable. They keep us active. But perhaps most importantly, they're the world's best comedians. To help put a smile on your face today, we've uncovered the funniest pet stories out there, from a "coughing" snake, to a cat who accidentally got stuck in a pile of tape. And for more amazingly adorable pet tales, check out ××××××××××××××××××××× Thanks for Watching ×××××××××××××××××××× DON'T FORGET AND LIKE SHEAR AND SUBSCRIBE ,

baby cow is called a calf. A female calf is sometimes called a heifer calf and a male a bull calf. A heifer is a female that has not had any offspring. The term usually refers to immature females; after giving birth to her first calf, however, a heifer becomes…

Kittens Preparing For Their First Sneak Attack Which Probably Won’t Be Too Sneaky Cats are graceful. Stealthy. They adapt to different environments and are excellent hunters. But you probably already know that; these animals love to hide, stalk, and pounce on toys or food, and even your feet.

domestic dog may have originated from the grey wolf, with the dingo and New Guinea singing dog breeds having developed at a time when human communities Parfect Dog Training and Show

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Whales are fully aquatic, open-ocean creatures: they can feed, mate, give birth, suckle and raise their young at sea. Whales range in size from the 2.6 metres (8.5 ft) and 135 kilograms (298 lb) dwarf sperm whale to the 29.9 metres (98 ft) and 190 metric tons (210 short tons) blue whale, which is the largest known creature that has ever lived. The sperm whale is the largest toothed predator on earth. Several whale species exhibit sexual dimorphism, in that the females are larger than males.

Monkey is a common name that may refer to most mammals of the infraorder Simiiformes, also known as the simians. Traditionally, all animals in the group now known as simians are counted as monkeys except the apes, a grouping known as paraphyletic; however in the broader sense based on cladistics, apes (Hominoidea) are also included, making the terms monkeys and simians synonyms in regard of their scope. Monkeys are divided into the families of New World monkeys (Platyrrhini) and Old World monkeys (Cercopithecidae in the strict sense; Catarrhini in the broad sense, which again includes apes).

Sharing snaps of your pooch is probably the easiest way to get your followers to double-tap (who could resist something so cute?!), but it doesn't hurt to take an extra step to secure those likes. That's why coming up with the perfect Instagram caption for your dog is so important. There are so many possibilities for cute and funny dog Instagram captions,

On the rare occasion a great white shark attacks a human, the bite may be the result of mistaken identity, according to new research. study by Australian scientists suggests the apex predator may not be able to visually distinguish surfers and swimmers at the water’s surface from their natural prey. They’re not these mindless killers, but we just happen to look like their food,” the study’s lead author, Dr Laura Ryan of Macquarie University, said.