The global economy rapidly evolves from a labor-based economy to an information-based economy. In parallel to the technological advancement, societal changes have reshaped the behaviour of end-user in acting in technology. Unlike 20 years ago, users’ are very keen to have active participation with Web technologies. The number of applications being used infers to a growing number of data and information circulation, thus creating data-driven market environment. Though centralized-approach is more preferable in most cases, however, with the growing number of usage, it is prone to single point of failure. This paper present a decentralized system design using Microservice Architecture approach. The use case of the design is for financial reporting system within an organization. Web services, REST-API technology, is adopted to ensure the interoperability of each sub-systems. A design of repository of service is also proposed to help catalogue and managing available services, thus making the proposed design scalable for future development.
This paper describes the use of some color spaces in JPEG image compression algorithm and their impact in terms of image quality and compression ratio, and then proposes adaptive color space models (ACSM) to improve the performance of lossy image compression algorithm. The proposed ACSM consists of, dominant color analysis algorithm and YCoCg color space family. The YCoCg color space family is composed of three color spaces, which are YCcCr, YCpCg and YCyCb. The dominant colors analysis algorithm is developed which enables to automatically select one of the three color space models based on the suitability of the dominant colors contained in an image. The experimental results using sixty test images, which have varying colors, shapes and textures, show that the proposed adaptive color space model provides improved performance of 3 % to 10 % better than YCbCr, YDbDr, YCoCg and YCgCo-R color spaces family. In addition, the YCoCg color space family is a discrete transformation so its digital electronic implementation requires only two adders and two subtractors, both for forward and inverse conversions.
The traffic jam becomes the biggest problem in urban area especially in Jakarta as the capital city of Indonesia. This is due to inadequate facilities of public transportation so, people prefers to use the private vehicles. The government has giventhe solution to enhance that but it is still not efTective and it made the situation of traffic jam became worst. This paper proposed the Automated Bus System (ABS) to improve the existing system and enhance the traffic jam problem. Thisbus system has the ability to ride on his own without relying on any human driver. It can recognize any obstacles and avoidany collision using stereo vision technology. RFID technology is used to improve the accuracy. Still, this whole system is monitored by human operators. Ifthere is any failure beyond the ability of system, the human operators could recognizethe problem.
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