Abstract:Obtaining real-time, objective, and high-precision distribution information of surface cracks in mining areas is the first task for studying the development regularity of surface cracks and evaluating the risk. The complex geological environment in the mining area leads to low accuracy and efficiency of the existing extracting cracks methods from unmanned air vehicle (UAV) images. Therefore, this manuscript proposes a new identification method of surface cracks from UAV images based on machine learning in coal mining areas. First, the acquired UAV image is cut into small sub-images, and divided into four datasets according to the characteristics of background information: Bright Ground, Dark Dround, Withered Vegetation, and Green Vegetation. Then, for each dataset, a training sample is established with cracks and no cracks as labels and the RGB (red, green, and blue) three-band value of the sub-image as feature. Finally, the best machine learning algorithms, dimensionality reduction methods and image processing techniques are obtained through comparative analysis. The results show that using the V-SVM (Support vector machine with V as penalty function) machine learning algorithm, principal component analysis (PCA) to reduce the full features to 95% of the original variance, and image color enhancement by Laplace sharpening, the overall accuracy could reach 88.99%. This proves that the method proposed in this manuscript can achieve high-precision crack extraction from UAV image.Keywords: crack classification; UAV images; machine learning
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Hi there I was wondering if anyone has heard of augolfclubsonline.com, they calaim to be the real deal operating from Sydney Australia, however I ask them to provide me with ta contact number, they said they only do emails. I ask abut the low prices, why that is, they said they buy directly from manufacturer and post to customer as a gift. Serial number , well they said when I get my clubs i can check to the serial numbers. This is a fake site and the prices are extremely cheap. If anyone else has had encounters with fake websites or other crooks please let us all know. We do want to save however not get shafted literally by these bastards.
I have been to Shezhen were many club manufactures plants are and there are and alot more plants in surrounding cities and in hong kong . There are thousands of club makers and most of them are not for the brand name companies , Most of them produce at best a poor made copy , but there are a few that make an awsome club that you could not tell apart from the ones in your pro shop . Beware that almost all the sites that have been mentioned in this forum are all selling copies and most are probably poor made fakes . Those golfers who have to have the authentic clubs with matching serial numbers and think that will improve thier game , go to your pro shop and get your clubs , and rest easy , Those of you who will buy on ebay take a chance , those of you who want the real thing and try a chinese wbsite , good luck with that , and dont bitch about it later . If you wait till the end of the season you are going to get a great deal on the clubs you want , I always am a year behind on my equipment just for the reason of seeing what is the best that year , then I try it and get my equipment for a great price . No worries .
Hi does anyone know about They have really low prices and free shipping. They say the clubs come from a OEM supplier. They also say the clubs come with serial numbers and that they will give them to you if you want.
I was looking at buying another iron set on ebay and I found a couple different listings on there that are selling ping and taylormade iron sets that seemed ridiculously low. The site that is suppose to be supplying these clubs is The site claims to be selling the clubs at the wholesale price that golf retailers buy them at. It shows pictures of serial numbers on the clubs, but with the price being so low, it seems a little too good to be true. Anyone have any ideas or information about this supplier.
These site also offer Lefty clubs and assured me that all their clubs have serial numbers and will checkout with Titleist. I saved the convos to use if they are fake. They also said they regulate their prices according to the volume of products and that a lot of these prices will end at the end of April. While some clubs have amazing deals, others are not. I believe this site might be legit. Thoughts?
dont ever buy from them we get completely ripped off!!!!! the sales person told us they were real they have serial # and had pings sticker that said to register go here and had pings webstie address!!!! (my friend has g10 irons and they are twins we could not tell they were fake!!!) so we sold them on ebay and now we are screwed!!!! please never buy their clubs
I spoke to this company using their chat software, i asked the question whether they were fake or original, and they told me the clubs are OEM product and are from an Asian company, does this mean they are totally genuine or just using original stolen parts? But as we have read above most of the clubs are made in china, so can we really say these are fakes if they say they are from Asia??
I was recently caught up in this looking for more products for our web site. I too have a product made in China and have learned a lot about the way they think and operate. Details are just not important to them. Look for sloppy paint work or decals that are not placed properly. Those with serial numbers are actually the easiest to catch. Most OEM manufacturers only place a serial number on a single club like the 6 or 8 iron. The counterfeits I have seen all have them on all clubs and all sets are the same number. Not only are the club heads counterfeit but so is everything else. Shafts and grips are knocked off as well. If you find a bunch of clubs with Project X shafts at regular steel shaft prices beware. They are not likely real. A set of Project X shafts alone are $4-500. I wish there was a lot more information like this more accessible to the buyer without them having to hunt it out. Reduce the demand and the supply will go away. Knock off a supplier and another will take its place as long as demand is there. Thanks mygolfspy. Get the word out! 2ff7e9595c