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Showing posts with label samsung. Show all posts
Showing posts with label samsung. Show all posts

Wednesday, 25 September 2013

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Smartphone photography to diagnose eye diseases

WASHINGTON: Eyephone! A simple and inexpensive
technique that uses smartphone photography can help
diagnose eye diseases, scientists say.
Retinal (or fundus) photography is an essential part of
any ophthalmology practice.
Commercial fundus cameras can cost tens to hundreds
of thousands of dollars, making the technology out of
reach for smaller ophthalmic practices and to
physicians in third-world countries.
In a recent study, researchers at Massachusetts Eye
and Ear Infirmary described the relatively simple
technique of fundus photography in human and rabbit
eyes using a smartphone, an inexpensive app for the
smartphone, and instruments that are readily
available.
Smartphones are now being used more routinely in
ophthalmology to document patients' ocular
conditions, researchers said.
"Our technique provides a simpler and higher quality
method to more consistently produce excellent images
of a patient's fundus," said senior author Shizuo
Mukai.
"This technique has been extremely helpful for us in
the emergency department setting, in-patient
consultations, and during examinations under
anaesthesia as it provides a cheaper and portable
option for high-quality fundus-image acquisition for
documentation and consultation.
"This technique is well tolerated in awake patients
most likely since the light intensity used is often well
below that which is used in standard indirect
ophthalmoscopy," Mukai said.
Using the described technique of fundus photography
with the use of smartphones, the app Filmic pro, and a
20D lens with or without a Koeppe lens, researchers
were able to capture excellent, high-quality fundus
images in both children under anaesthesia and in
awake adults.
The best results were achieved in the operating room
when a Koeppe lens was used in addition to the 20D
lens; however, excellent images were acquired with the
20D lens alone in the clinic and emergency room
setting as well as in the operating room.
"This technique is relatively inexpensive and simple to
master, and takes advantage of the expanding mobile-
telephone networks for telemedicine," Mukai said.

Tuesday, 17 September 2013

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Samsung Galaxy Note 3: First impressions

Samsung Galaxy Note 3 has a bigger screen and
packs more pixels than its predecessor, but is smaller
in size and weighs less. Here are the first impressions.

Samsung has unveiled Galaxy Note 3 in the Indian
market, giving us a first glimpse of its latest flagship
phablet. The device has a bigger screen and packs
more pixels than its predecessor, but is smaller in size
and weighs less. It also has an upgraded S Pen stylus
that adds new functionalities to the device. It has a lot
of promise, looks better than the Galaxy Note II and
adds a new flavour of features that offer improved user
experience. Here are our first impressions of the
Samsung Galaxy Note 3:
The phablet looks premium, even though it is made of
plastic. The plastic back has faux leather finish and
comes with a stitching along the sides. The chrome
edges we saw in the Galaxy Note II are present here as
well, but look better. Overall, the phone's finish looks
premium since the back has leather feel to it, the
feeling of cheap plastic doesn't seem to be a problem
anymore.
At 168gram, Galaxy Note 3 weighs less than its
predecessor. Its width is same as that of the Galaxy
Note II, but the length and thickness are lesser. And
within this compact frame lies the 5.7-inch screen that
packs 1080p resolution and 324ppi pixel density. This
is a major improvement over last year's Galaxy Note
model and similar to that of the top-end smartphones
like LG Optimus G Pro, Sony Xperia Z Ultra and Lenovo
K900.
Samsung Galaxy Note 3 version for India runs on a
1.9GHz eight-core Exynos processor that is based on
ARM's big.LITTLE chipset architecture. While this may
seem impressive, the problem is that the international
variant running on Qualcomm Snapdragon 800 chip is
capable of recording movie hall quality 4K videos.
Such a feature would have made Note 3 a very exciting
prospect for Indian buyers.
The images taken by Note 3's camera are very good.
However, when we did a full zoom, most photos
showed lack of details, which is disappointing given
the high price of Note 3 and more so when you
compare the photo quality seen in previous Samsung
phones that are priced much lower. However, colours
and contrast levels were very good in all photos.
India gets the 32GB variant of the Galaxy Note 3,
which is the lowest storage option that Samsung is
offering with the phone. However, we feel that if 16GB
storage variant was also made available in the
country, the price could have been reduced by at a
least a few thousand rupees by Samsung. One already
gets 50GB Dropbox storage and microSD expansion up
to 64GB in the handset, so 16GB internal storage
would not have been a problem.
The screen is vibrant and displays beautiful colours.
We have seen SuperAMOLED displays in many previous
phones and the results have always been fantastic.
Thus, it is no surprise that colours did not wash out
even at acute angles and contrast level is very good.
The S Pen stylus is more central to the Galaxy Note 3
compared with styluses in previous phones in the
series. This stylus adds many more functionalities,
which actually add to the overall user experience and
do not seem to be just gimmicks. It has a button that
opens up the S Pen menu that allows you to find
objects, write memos, copy data etc.
Some of the features we saw are quite neat. For
example, if you scribble a phone number on the screen
using the stylus, and then make a call, send text
message or add it to contact without ever opening
Contacts app. Or you can search for anything
throughout the device, with several new options like
Last Updated etc. Or, you can write an address and
look it up on Google or map apps. You can select
some text or a particular image from the screen and
save it for future use; you don't have to save the
whole page, as is the case with most other phones.
The Multi App view is present here too, but this time
you can open the same app twice; this was not
possible earlier.
Overall, the software features of Samsung Galaxy Note
3 seem exciting, but a proper evaluation can be made
only after a full review.
At Rs 49,900, the Galaxy Note 3 is a very pricey
prospect. With a price tag of half a lakh rupees, the
company is pushing it too high, especially since its
rival from LG is available for approximately Rs 38,000.
However, it is likely that its price will come down in a
couple of months, as was the case with Galaxy S4.
We also checked out the Samsung Galaxy Gear
smartwatch at the launch event, which is priced at Rs
22,990, higher than the industry estimate. Its usage is
limited to only Samsung gadgets and that too only the
ones that run on Android 4.3. Thus, Galaxy Note 3 is
the only device it works with in the market, as of now.
While Samsung Galaxy Gear has a host of features, we
were unable to explore them further because the
devices at the launch venue did not have sim card.
What we did see in the smartwatch was that its display
is good, but the functionalities seem limited, at least
right now. Making or receiving a call on this gadget
will be an unusual experience, where you will have to
put your wrist near the mouth in order to talk. We will
explore the smartwatch, along with Note 3, in more
detail when we get them here for a full review.

Wednesday, 4 September 2013

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Samsung Galaxy Gear smart watch pictured again, detailed specifications leak ahead of launch

While we still wait for the official unveiling of the
Samsung's first wearable tech device, the Galaxy Gear
smart watch, images of one of the prototypes of the
Galaxy Gear smart watch has been spotted ahead of
the September 4 launch, which has now been
confirmed thanks to a company official.

Venture Beat has posted some images of the alleged
prototype of the smart watch that it claims are stills
from the Galaxy Gear promo video that has been made
by an independent team which is reportedly working
closely with Samsung. It also claims to have spent
some time with it.

The site informs that the smart watch is about 3-
inches in size diagonally, and has a square OLED
display, as reported earlier. Though, the resolution has
not been revealed. The site further notes that the smart
watch would come in Dark Black and Grey colours,
however the final version could be different, it
suggests. Earlier, it was reported that the Samsung
Galaxy Gear smart watch will come in multiple colours.
The site also notes that the smart watch camera would
come handy in measuring the health data.

However, Gigaom claims that the final version of the
smart watch is different and more finished than the
device shown in the leaked image citing some sources.

Gigaom further notes some of the features of the
upcoming smart watch including an OLED display
which will measure around 2.5-inch diagonally and
about 3-inch including the case. The smart watch is
expected to be powered by a 1.5GHz dual-core
Samsung Exynos 4212 processor along with Mali-400
MP4 GPU. Other features detailed include a camera,
microphone and speakers integrated into the strap,
NFC, and Bluetooth. The Galaxy Gear smart watch is
said to run Android 4.3 Jelly Bean with the keyboard
feature turned off. The site also notes that the smart
watch will need a Samsung device with Companion
app store to install apps on the watch. The battery
backup of the device is said to be around 24 hours
with normal use and 10 hours with active usage.

Earlier, @evleaks published screenshots of the alleged
Gear Manager Companion app for the Galaxy Gear
smart watch on Twitter.

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Sunday, 1 September 2013

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Clash of the Olympians (android)

Defence ဂိမ္းကုိၾကဳိက္သူမ်ားအတြက္
special
မွင့္ၿပီး အသုံးၿပဳရမွာပါ
Clash of the Olympians highlights:
* Action packed defend the temple game that
will test your wits and precision!
* 3 Heroes to choose from: Play as the mighty
Heracles, the quick Perseus or the legendary
Achilles!
* Face mythological creatures with different
abilities! Minotaurs, Gorgons, Harpies and more!
* Train your hero! Upgrade his weapons and
grant him special powers! Each hero has his
own arsenal so choose wisely!
* Arcade style rewards! Show off your skill by
performing head shots, multi-kills, quick kills
and more!
So what are you waiting for! The hordes of
Hades are approaching and only you can stop
them!
Bring'em ON!
**Optimized for devices with 800x400 or better
resolution.**

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