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After the RabbitMQ server and client are setup, I start to learn more about the RabbitMQ system. The core of RabbitMQ is based AMQP protocol. There are lots of information we can get on wiki. http://en.wikipedia.org/wiki/Advanced_Message_Queuing_Protocol The AMQP is basically start from bank industry and that’s why some related terminology like broker are used in AMQP specification. Here is model of the AMQP. If we want to make the application to be two way communication, we have to make the application with publisher and consumer characteristics. ...

3D image/video is blooming in recent years because of the entertainment industry like movie and game. There are also lot kinds of device appear like 3D camera, 3D TV…etc. The player play the 3D image in early stage is by put two camera into one and post processing the two photos into one. Gopro has the similar structure of their hero camera and we have to buy two camera with some accessories to make this. ...

There is a message post on Facebook by my former boss that talk about a guy in China who help people to order the ticket before important holidays. He is a Peking University student whose name is Ji-Yang Pei(裴濟洋), 23 years old. There is a report from China’s TV station and the link is as following. http://dailynews.sina.com/bg/chn/chnlocal/phoenixtv/20130222/01194273327.html In China, people who left home for working would go home every Chinese Lunar New Year. It is the biggest human migration period in the world and it’s quite hard to get a ticket to go home. Pei provide more opportunity for those people to get a ticket especially the underprivileged ones in past three years. Later, he did not just provide the fish but also teach us how to fish. Pei post a thousand words of article on the internet to let us know how to do it. Because of this, he become a famous person, lots of people call him the Ticket King of Peking University. ...

在完成 RabbitMQ 伺服器與用戶端的架構設定後，我開始深入學習 RabbitMQ 系統。RabbitMQ 的核心是基於 AMQP 協定。在維基百科上有豐富的相關資訊可供參考。 AMQP 最初起源於銀行業，這也解釋了為何 AMQP 規範中會使用「經紀人 (Broker)」等相關術語。這裡展示了 AMQP 的 模型。如果我們希望應用程式具備雙向通訊的能力，該程式必須同時具備「發布者 (Publisher)」與「消費者 (Consumer)」的特性。 在技術規範中都有明確定義，我們可以直接查閱。這裡附上由 Wireshark 擷取的封包時序圖 (Packet sequence diagram)。

I saw a news recently that talk about the national policy on electronics 2012 of India. Kapil Sibal, the Minister for Communications and Information Technology says the government approve the policy and plan to invest 100 billion for electronics industry fostering before 2020. It’s natural trend for India to extend from their famous software industrial to hardware. Kapil visit Japan’s recently and says it’s very important to have strategy cooperation with Japan electronics company. The most important one is to build first semiconductor factory. The plan will kick-off before October 2013 and start to production around 2015~2016. Then based on the plenty of software engineer, Japan company can have much progress in India on embedded system. ...

After I wrote the Vuzix Smart glasses for just hours, Google launched their glass and built a new web site for this product. Maybe google do not want to be left behind when Vuzix award from CES. http://www.google.com/glass/start/ The page is simple and clear. We could see a video in the link to sense how it feels. All the functions that describe in what it does are totally from audio, video and gesture recognition. We can take the photo, record the video, translation, search the information, navigation…etc in real-time. All of the recognition technology have to link with the requirements of people and that’s why google raise a competition for people to write down “what would you do if you had Glass”. Once the idea is adopted, we could become the Glass Explorer and buy Glass with USD $1500. ...

I like to play basketball since I was a high school student and I still play around one to twice a week now. Although I love this sport, I do not have too much passion to see the games like NBA after MJ retired. In past year, I started to pay attention on it. One reason is Jeremy Lin and the other is the CEO of my company bought Memphis Grizzlies last year. I start to realize this is not just only a game but also contain a lot of things in it. ...

I saw a news that about the Vuzix Smart Glasses M100 and it get a recipient of the CES (Consumer Electronics Show) Innovations 2013 Design and Engineering Award BEST OF INNOVATIONS, and selected as Best Technology in the Wireless Handset Accessory category. More information in following link. http://www.vuzix.com/consumer/products_browse.html#video-eyewear It’s an interesting device but there are still challenges behind. Since Google launch their project glass, Vuzix is the 2nd company to make the similar product. So M100 get a lot of discussion even google guys go their booth to have it a look. According to the hardware specification from Vuzix web sites. It’s totally an android based smart phone and the difference is the glasses appearance only. It’s not special by just hardware specification only. ...

Before the Chinese Lunar New Year, I got the latest alpha version of the AirVision2. It does not only inherit the pros from previous version but more quick and stable also. I just have some preview here about the installation and main pages showing. After double clicking the windows installer, following the step of installation. When executing the airVision2, there is a windows security information pop up, please make sure the firewall does not block your application. ...

Weeks ago, the supplier demo the Miracast function to us and my colleague told me maybe we can think if there are applications for surveillance system. At first I saw nothing special for surveillance application but I may find there is now. Here is a capture picture from the whitepaper of WiFi alliance. Basically, Miracast is a protocol and this means Miracast can be over any kind of infrastructure. However, Miracast connections are expected to be predominantly established between Wi-Fi devices connected with each other directly, without an AP acting as an intermediary. According to the topology, what we can see is a source to a sink and it is a peer-to-peer connection. Go back to the topic we want to talk for surveillance. I plot a picture as follow, and this is just like a traditional surveillance system with cameras, recorder and monitor. ...