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Monday, May 16, 2011

Hu's Seven Moments Invariant (Matlab Code for invmoments.m)

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Wednesday, May 4, 2011

Apple iPad vs. Apple iPad 2

Almost 30% of the people working in my company got Apple iPad for themselves, but after a while "in April 2011"Apple released a new version of the iPad called "Apple iPad 2", the following table explains the differences between the two versions, note that the price of the new version is the same as the original version:
iPad
iPad 2
Processing and Memory
Processor
A4 1Ghz
   
A5 1Ghz Dual-Core
 
RAM
256 MB
512 MB
Built-in Memory
16 GB, 32 GB, 64 GB
16 GB, 32 GB, 64 GB
External Memory
No
No
Camera
Front Camera
No
0.3 Mega Pixels
VGA Quality still Camera
Video Recording “VGA up to 30 frames/sec with Audio”
Rear Camera
No
5x Digital Zoom still Camera
Video Recording “HD Quality 720p up to 30 frames/sec with Audio”
Connectivity
Wi-Fi
802.11 b/g series
802.11 b/g/n series
Bluetooth®
2.1 EDR
2.1 EDR
3G
EDGEplus triband HSPA
Ø EDGE plus quadband UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz) and GSM/EDGE (850, 900, 1800, 1900 MHz) for the AT&T versions.
Ø CDMA EV-DO Rev. A (800, 1900 MHz) for the Verizon model
HDMI Port
No
Additional 39$
USB Host
No
No
NFC
No
No
Screen
Resolution
1024x768
1024x768
Size
9.7" LED-blacklit
9.7" LED-blacklit
Dimensions
Height
9.55” (24.28 cm)
9.49” (24.12 cm)
Width
7.46” (18.97 cm)
7.31” (18.57 cm)
Depth
0.527” (1.34 cm)
0.346” (0.88 cm)
Weight
1.5 lb. (680 gm. – 730 gm.)
1.3 lb. (601 gm. – 613 gm.)
Battery
Battery Life
10 hrs.
10hrs.
Sensors
Accelerometer
Yes
Yes
Light Sensor
Yes
Yes
Gyroscope
No
Yes
e-Compass
No
Yes
Other
OS
iOS 4.3
iOS 4.3
Color
Black
Black, White
Price
Starts from 399$
Starts from 499$
SIM Card Format
Micro-SIM
Micro-SIM
Picture
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