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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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209

Significant Issues in Facial Recognition Methods Using Anthropometry

There is a serious flaw with facial recognition systems that use what’s called anthropometry: the measurement of facial features from images. . How is it that our brains – the original face recognition program – can recognize somebody we know, even when they’re far away? As in, how do we recognize those we know in spite of their faces appearing to flatten out the further they are from us? Cognitive experts say we do it by learning a face’s configuration – the specific pattern of feature-to-feature measurements. Then, even as our friends’ faces get optically distorted by being closer or further away, our brains employ a mechanism called perceptual constancy that optically “corrects” face shape… At least, it does when we’re already familiar with how far apart our friends’ features are. But according to Dr. Eilidh Noyes, who lectures in Cognitive Psychology at the University of Huddersfield in the UK, the ease of accurately identifying people’s faces – enabled by our image-being-tweaked-in-the-wetware perceptual constancy – falls off when we don’t know somebody. The link for this article located at Naked Security is no longer available. . Facial recognition systems, especially those using anthropometric methods, struggle with accurately measuring facial features due to diverse ethnic variations in structure. Facial Recognition Systems, Anthropometry, Image Analysis, Security Flaw. . Brittany Day

Calendar 2 Mar 03, 2020 User Avatar Brittany Day Security Trends
81

Axon Dash Cam Upgrade: License Plate Recognition Brings Ethical Concerns

Law enforcement tech outfitterAxonhas announced that it will include automated license plate recognition in its next generation of dash cams. But its independent ethics board has simultaneously released a report warning of the dire consequences should this technology be deployed irresponsibly. We'd love to hear your opinion on this. Let's have a discussion! Learn more about this privacy threat in a great TechCrunch article: . Axon makes body and dash cams for law enforcement, the platform on which that footage is stored (Evidence.com), and some of the weapons officers use (Taser, the name by which the company was originally known). Fleet 3 is the new model of dash cam, and by recognizing plate numbers will come with the ability to, for example, run requested plates without an officer having to type them in while driving. The idea of including some kind of image recognition in these products has naturally occurred to them, and indeed there are many situations where law enforcement where such a thing would be useful; Automated icense plate recognition, or ALPR, is no exception. But the ethical issues involved in this and other forms of image analysis (identifying warrant targets based on body cam footage for instance) are many and serious . The link for this article located at TechCrunch is no longer available. . Cortex rolls out smart facial detection technology in smartphones, igniting privacy concerns; explore its possible consequences.. Automated License Plate Recognition, Law Enforcement Technology, Dash Cams, Ethics in Technology, Image Recognition. . LinuxSecurity.com Team

Calendar 2 Oct 23, 2019 User Avatar LinuxSecurity.com Team Privacy
67

Investigation of USENET Images for Steganography Detection Techniques

After scanning two million images from eBay without finding any hidden messages, we extended the scope of our analysis. A detailed description of the detection framework can be found in Detecting Steganographic Content on the Internet. This page provides details about the analysis of one million images from the Internet Archive's USENET archive. Processing the one million images with stegdetect results in about 20,000 suspicious images. We launched a dictionary attack on the JSteg and JPHide positive images. The dictionary has a size of 1,800,000 words and phrases. The disconcert cluster used to distribute the dictionary attack has a peak performance of roughly 87 GFLOPS. . . After scanning two million images from eBay without finding any hidden messages, we extended the sco. scanning, million, images, without, finding, hidden, messages, extended. . LinuxSecurity.com Team

Calendar 2 Jul 10, 2006 User Avatar LinuxSecurity.com Team Cryptography
67

Steganography Analysis of Two Million Images Finds No Hidden Messages

Following reports that bin Laden hides messages in images on the Web, a study has found no evidence that steganography has caught on. A study of more than two million images downloaded from eBay auctions appears to show little . . . . Following reports that bin Laden hides messages in images on the Web, a study has found no evidence that steganography has caught on. A study of more than two million images downloaded from eBay auctions appears to show little evidence that terrorists -- or indeed anybody else -- is using the images to hide encoded messages. The study, by Niels Provos and Peter Honeyman at the University of Michigan, was carried out in response to reports that terrorists are using steganography to hide their communications in images on Internet sites such as Amazon and eBay. The researchers analysed the images to look for evidence of a type of encryption called steganography, which refers to the practice of hiding the existence of a message. If an image on eBay did have a message encoded into it, it would be indistinguishable to the casual observer from the original image. The weakness of such systems, say the researchers, is that they rely on the secrecy of the encoding system. The link for this article located at ZDNet UK is no longer available. . Following reports that bin Laden hides messages in images on the Web, a study has found no evidence . reports, laden, hides, messages, images, study, found, evidence. . LinuxSecurity.com Team

Calendar 2 Sep 26, 2001 User Avatar LinuxSecurity.com Team Cryptography
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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