As someone who's done significant research on this exact problem, I can tell you it's difficult to get a suitable image for templating (feature extraction) using a stock camera found on any current Android device. The main debilitating issue is achieving significant contrast between the finger's ridges and valleys. Commercial optical fingerprint scanners (which you are attempting to mimic) typically achieve the necessary contrast through frustrated total internal reflection in a prism.

I took the image on the left with a commercial optical fingerprint scanner (Futronics FS80) and the right with a normal camera (15MP Cannon DSLR). After cropping, inverting (to match the other scanner's convention), contrasting, etc the camera image, we got the following results.


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Here's the bad news. Taking these types of up close shots of the tip of a finger is difficult. I used a DSLR with a flash to achieve these results. Additionally most fingerprint matching algorithms are not scale invariant. So if the finger is farther away from the camera on a subsequent "scan", it may not match the original.

Obtaining a good image of the fingerprint will be critical. According to their site, fingerjet expects standard fingerprint images - e.g. 8-bit greyscale (high contrast), flattened fingerprint images. If you took fingerprint pictures with the camera, the user would need to have a flat transparent surface (glass) you could flatten the fingerprints onto in order to take the picture. Your app would then locate the fingerprint in the image, transform it into a format acceptable for fingerjet. A library like OpenCV would help do this.

Windows Hello is a more personal, more secure way to get instant access to your Windows 11/10 devices using fingerprint or facial recognition. You will be able to just show your face or touch your finger, no more to input a password to unlock your device.

ICE Unlock Fingerprint Secure adds camera-powered fingerprint scanning to your smartphone's lock screen. That's not quite the same thing as the iPhone's scanner, and it's not nearly as efficient -- but it does work. Sort of.

And it took me a few tries just to get enrollment right. (My tests were conducted on a Virgin Mobile ZTE Supreme. For whatever reason, the app isn't compatible with my Moto X.) After that, I was amused to discover that I couldn't unlock my phone, even though I'd finally "passed" enrollment. I couldn't seem to duplicate the proper positioning of my finger in that onscreen oval.

Fortunately, there's a PIN-based backup for just such emergencies. So I unlocked the phone that way, deleted my original enrollment, then tried the whole setup process again (following these tips). This time it went smoothly, and I had no trouble unlocking my phone with finger.

Until the lighting conditions changed. When I did the enrollment, it was indoors, and the LED had kicked in to better illuminate my fingerprint. But when I tried unlocking the phone outdoors, where there was tons more light, I couldn't get a match.

Needless to say, it can take some tweaking to get ICE working consistently. But I found it nearly impossible to unlock my phone with one hand, and there's no question that the fingerprint "scanning" adds a minimum of 5 seconds to the unlock process -- and that's assuming you hit a match the first time.

To unlock your device using your finger, tap the screen or press the Power key or Side key. Then, place the registered finger on the fingerprint scanner, wherever it's located. The device will automatically unlock if it recognizes your fingerprint.

It may be more natural to use a different fingerprint to unlock your device if you're holding it in another hand, or in another orientation. Thankfully, you can add multiple fingerprints so you can unlock your device however you hold it.

If you are still having trouble unlocking your device because the fingerprint sensor isn't recognizing your prints, try entering your regular PIN, password, or pattern. Please read our guide on Unable to unlock Samsung phone or tablet's screen to learn more.


From early 2000, some laptops with PC Card support can be equipped with readers; for example, Compaq Armada E500 can be optionally equipped by external fingerprint reader since 2000 - the reader module was released by Toshiba.[19] IBM produced laptops with integrated readers since 2004.[20] Apple's marketing name of electronic fingerprint recognition, known as Touch ID, was introduced in 2013 only for smartphones, and laptop option was released only in 2016. The implementation was delayed until 2013 just because the integrated with optical trackpad scanner were be patented by RIM (Blackberry) in 2004.[21]

Fingerprint locks are the sci-fi gadget that springs to mind when most people think of smart locks: Touch a finger and a benevolent AI scans you and admits you to the underground bunker. While the benevolent AI bit is still being beta-tested, fingerprint locks are now commonplace. My pick for those who want to use their fingers as keys is the Lockly Flex Touch, an elegantly designed smart lock that provides fingerprint access without fuss.

The Lockly Flex Touch presents as a simple Satin Nickel deadbolt, with one addition: Below the manual keyway sits the small biometric fingerprint reader. An LED around it glows green when scanning, a process that takes less than a second. When it recognizes your finger, the LED blinks green and the lock opens. If your finger is not authorized, it blinks red.

Ultraloq U-Bolt Pro: ($187 at Amazon): The U-Bolt Pro was certainly the most unusual-looking lock I tested, with a square design, a fingerprint reader in the middle and a keypad around it. Pull the front panel down to reveal a concealed physical keyhole. That provides a lot of flexibility, and the app makes creating and sharing key codes easy. It also offers a stand-alone programming mode so you can use the lock without an internet connection, which is great for rental or seasonal homes. The design is divisive, though: It looked out of place on my front door, which has traditional brass fittings.

To test smart locks, I used them on the front door of my house. I examined how easy they were to install on my vintage door, replacing the old-school manual lock already in place. I then used them over several weeks, noting how easy it was to add different users, scan fingerprints (where applicable) and use the lock. I tested both the electronic and manual ways of getting in and out, using the thumb turn on the back of the lock and the manual key on the front.

The ability to unlock your smartphone or computer using just your fingerprint has been an option for ages, but it looks like digital cameras might not be too far behind. A recent Canon patent shows how the Japanese camera giant could implement a fingerprint ID sensor into both its camera bodies and lenses to safeguard your images and make cameras less tempting for thieves.

On the security side, the fingerprint reader could be used to completely lock out your gear, or even customize the camera for multiple 'registered' users. So whether it's you, your spouse, or one of your artistically inclined children picking up the DSLR, it would immediately default to their custom settings once scanned in.

The idea, so standard or even outdated on smartphones, seems positively futuristic when you apply it to cameras. Here's hoping this is one patent that does eventually see the light of day in real Canon products.

Seems like a waste of effort and technology. I would much rather have a camera that takes a SIM card so it can have a data connection, plus GPS. That way you could not only upload images directly from the camera, but you could also have the camera upload its location to the web if it were stolen. At this instant, I can go online and see where my phone is. It would be nice to do what with my camera. This fingerprint reader is just going to make the camera more annoying to use.

But besides location information, I think it's just a lot more useful for a camera to have a data connection than to have a fingerprint reader. A data connection opens up a whole new world of options for cameras...just like smartphones.

I have another idea. As more and more cameras use NFC why not have an RFID card in one pocket that automatically unlock the camera when you hold it ? The camera being automatically locked when moved away from the RFID card. Then you can use the camera with gloves...

Most things that have had a dongle, locked feature, etc., have been hacked quickly in short order. It does keep people from taking peeks at the photos on the camera though. Other than that... blahh. I'm not excited.

Thieves are not quite dumb and know the stuff they steal, particulartly if they plan to resell it. If they know the camera or lens could be locked, they will not take the risk to steal something they cannot resell, IMHO.

What makes Cannon finger print system any better than say, Samsung. I spent the money for a new S8 because of the finger print/Iris Scan/Encrypted security measures only to find out after I lost it that within just a few days all of the fancy security measures were defeated and my phone was being used by some lucky person who found it. I was receiving copies of her Whats ap messages from the "new owner" as my old phone still had the same Whats ap phone number. I was able to get onto Samsung site and "lock" out the phone. 2 days later someone accessed my Samsung account and deleted it entirely. Sorry, paying more money for these security measures only to find out they are easily defeated just isn't worth the extra cash for the camera! I have asked Samsung for an explaining in December and I'm still waiting!

I am an android user too, but my experience with a found iphone is completely different. I have found an iphone 6s, that was locked with fingerprint or in alternative a code. Somehow I put the right code at the second attempt (2580)! That way I found two e-mails, I tried to contact the owner several times, without luck, so the last time I wrote that I will be restoring the phone to use it, so I also put all the pictures and videos of the phone on a dropbox foder of which I shared a link. At the end I was not able to use it as it asks the last registered itunes account's password, even after restoring! Anyway if I wouldn't restore it I could technically use it, but without being able to change the personal account it wouldn't have been the best thing on the world! 2351a5e196

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