Accordingly the number of smart-phone-based malicious codes is also increasing and their techniques for malicio us purpose are getting more clever and evolved. Among them, the malicious codes related to Android take the major portion and it can be estimated that they are based on open source so that the access to the system is easy. Intent is a technique to support the communication between application's components by transmitting message subjects in Android. Intent provides convenience to developers, but it can be utilized as security vulnerability that allows the developer with a malicious purpose to control the system as intended. The vulnerability of intent security is that personal information can be accessed using discretionally its proper function given to application and smart phone's functions can be maliciously controlled. This paper improves with the Intent security vulnerability caused by the smart phone users' discretional use of custom kernel. Lastly, it verifies the malicious behaviors in the process of installing an application and suggests a technique to watch the Intent security vulnerability in realtime after its installation.
This study examined the Yemou(a hat for a dead woman) from the ladies' clothes excavated from the Lady Lee's tomb in order to trace the significance of the clothing composition and its social origin in the Chosun dynasty. The compositional characteristic of Yemou covers the body of the hat which is not connected with the cover, Wonsal which has a round shape that covers the face of the dead body, and two Gae(a ribbon on the backside of a hat). Seongho Lee-ik(one of representative Confucian scholars in the Chosun dynasty) stated in his book entitled "Seongho Notes", that the structural elements of Yemou originated in Yum(wrapping cloth for the head of a dead body). According to Seongho, Yemou's body part came from the scarf used to cover the head. Wonsal(the cloth of round shape for covering the face) and Gae were derived from Yum made of two ends of long cloth for covering and binding the head of a dead body. Yongjae Kim-kunhang(one of Confucian scholars in the late-Chosun dynasty) demonstrated in his "Yongjae Collection" the social background of the emergence of Yemou. Yemou was the hat produced from the process of nationalizing the Chinese courtesy of clothing. In other words, Bokgun(a man's hat) in the Chosun dynasty replaced the Chinese Yum. Unlike the Chinese custom, man and woman in the Chosun dynasty wore different clothes respectively. According to the clothing custom of the Chosun dynasty a woman wore a female hat, Yemou instead of men's Bokgun.
Comedy costumes worn on the comedians/gag men express the information of the performances such as character's era, place, social rank, present environment, age, sex, occupation, emotion, relationships between the characters, importance and mood in visual language. The comic is found when these informations are reversed, revealed, exaggerated or distorted. To analyse the TV comedy costumes, 5 subordinate concepts of the comic which are Body, Gender, Age, T.P.O.(Time, Place, Occasion) and Role could be identified, and the results from the analysis focused on (10 shows were selected from each of the first and second half of the years from 2003 to 2007) are as follows: Distorted and ugly body implies the resistance against the ideal body. Reversed or confused sex are usually expressed as men dressed in women, and these mean breaking the dichotomy between male and female, and coexistence of the masculinity and feminity, and satirizing the social custom restricting women by moral rules. It could be recognized that the way of men's dressing in women have been changing keeping pace with the times. The discord between age and costume was often expressed with children's wear and childish props. This implies the liberation from the age role. The comic expressed from the inadequate costume for T.P.O. usually appeared with the costumes 20-30years behind the times. When there were discordance with the acts and acts expected from the outfit(appearance) also made an ironical laugh. The comics acquired by vulgarization and exaggeration of the characteristics of role(figures/occupation) were from the imitation and deformation of the objects in stereotypes, and through this dissolving the custom was under way.
Journal of the Korean Society of Clothing and Textiles
/
v.8
no.3
/
pp.19-30
/
1984
There is a symbolic term which has realized custom of an era and has eome into fashion since the middle of 1920's. That is Garconne. This paper studied the image and costume of Garconne expressed in literary works, the form of art made it to come into being, and costume of a group of women played a role of pioneers of Garconne. Garconne attempted simple, casual, and mannish costume instead of usual elegance. It was the boiysh style($\`{a}$, la Garconne) which did not stress on the bust and waist like chanel suits used wool jersey by a designer, Chanel ana short skirts of low waist line. They got short haircut and wore low heel shoes. Garconne meant women who were free of convention, were familiar with love a d profession, and lived for themselves in the same manner of young men. They yieled new mode of 1920's. Though their lives were only a period, they manifested the symbol of the period though their figure and designation was not disappeared at the age but was settled as a mark of fixed image. There were several reasons why the Garconne was born. Rapid changes in politics, economics, and society in Europe were occurred from the First World War to 1920 and the trend of custom and art was a turning point. Especially, the entry of women into the society and the mode of Art Deco influenced it directly. The role of a pioneer of Garconne was appeared from the French Revolution. As Merveilleuse, Lionne, and Bloomers wore peculiar clothings ana had life style being irrelevant to tradition, they were talked about. They informed in advance the appearance of new women who were different from romantic ladies and were more modern and active. The pioneer design of Paul Poiret which were over whelming throughout a period and functional design of Chanel were increasingly accelerated.
This article is a study on modern wall painting of Korea. The system of wall paintings in Korea is studied in the first chapter. It contains the function, the painters'peculiar character, the psychological basis and the subjects of wall painting. The most popular subjects are the Lee dynasty's folk custom and visual symbols of this period. The second chapter sees the study of these subjects in Lacan's psychoanalytic view. The representation of Lee dynasts custom in this post modern society reveal that the Korean lives in the realm of the imaginary in visual level. That is the projection of their desire to be in the perfect community which is believed to be existed in Lee's dynasty. However the visual circumstance in Korea is the symbolic which is constructed of the Western symbols. This visual confliction reveals Korean Habitus and the lack of independent visual expression method. For conclusion, it is proposed that the relation of Korean Habitus and design must be studied to create proper visual circumstance.
Journal of the Institute of Electronics and Information Engineers
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v.49
no.11
/
pp.141-148
/
2012
A design of a 32-bit fourth-stage decimation filter decimation filter used in sigma-delta analog-to-digital (A/D) converter is proposed in this work. A four-stage decimation filter with down-sampling factor of 512 and 32-bit output is developed. A multi-stage cascaded integrator-comb (CIC) filter, which reduces the sampling rate by 64, is used in the first stage. Three half-band FIR filters are used after the CIC filter, each of which reduces the sampling rate by two. The pipeline structure is applied in the CIC filter to reduce the power consumption of the CIC. The Canonic Signed Digit (CSD) arithmetic is used to optimize the multiplier structure of the FIR filter. This filter is implemented based on a semi-custom design flow and a 130nm CMOS standard cell library. This decimation filter operates at 98.304 MHz and provides 32-bit output data at an audio frequency of 192 kHz with power consumption of $697{\mu}W$. In comparison to the previous work, this design shows a higher performance in resolution, operation frequency and decimation factor with lower power consumption and small logic utilization.
IEMEK Journal of Embedded Systems and Applications
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v.11
no.2
/
pp.97-105
/
2016
Microcontrollers (MCUs) for endpoint smart sensor devices of internet-of-thing (IoT) are being implemented as system-on-chip (SoC) with on-chip instruction flash memory, in which user firmware is embedded. MCUs directly fetch binary code-based instructions through bit-line sense amplifier (S/A) integrated with on-chip flash memory. The S/A compares bit cell current with reference current to identify which data are programmed. The S/A in reading '0' (erased) cell data consumes a large sink current, which is greater than off-current for '1' (programmed) cell data. The main motivation of our approach is to reduce the number of accesses of erased cells by binary code level transformation. This paper proposes a built-in write/read path architecture using binary code inversion method based on hot-spot region detection of instruction code access to reduce sensing current in S/A. From the profiling result of instruction access patterns, hot-spot region of an original compiled binary code is conditionally inverted with the proposed bit-inversion techniques. The de-inversion hardware only consumes small logic current instead of analog sink current in S/A and it is integrated with the conventional S/A to restore original binary instructions. The proposed techniques are applied to the fully-custom designed MCU with ARM Cortex-M0$^{TM}$ using 0.18um Magnachip Flash-embedded CMOS process and the benefits in terms of power consumption reduction are evaluated for Dhrystone$^{TM}$ benchmark. The profiling environment of instruction code executions is implemented by extending commercial ARM KEIL$^{TM}$ MDK (MCU Development Kit) with our custom-designed access analyzer.
Kim, Myung-Bae;Choi, Byung-Il;Choi, Jun-Seok;Han, Yong-Shik
Journal of Korean Tunnelling and Underground Space Association
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v.6
no.2
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pp.129-139
/
2004
The several assumptions and design parameters to determine the ventilation rate in tunnel ventilation system were examined. In longitudinal ventilating tunnel, the ventilation rate has been determined by the critical velocity above which the smoke propagation to the upstream of ventilating air is prevented. Based upon the examination of assumptions and experimental results, we suggested the improved method to determine the critical velocity. In transverse ventilating tunnel, we found that the ventilation rate has been determined in accordance with the custom rather than fire-smoke dynamics such as the critical velocity in the longitudinal ventilating tunnel. It is because the ventilation rate in the transverse ventilation system has been determined by considering only the ventilation of contaminant by vehicle. To improve the ventilation design parameters based upon the fire-smoke dynamics, we conducted model tunnel fire experiments. From the experimental results, smoke propagating distance and smoke filling were suggested as the design parameter to determine the ventilation rate in transverse ventilating tunnel. And tunnels in Europe designed by the custom is found to have the dangerous nature in view of fire safety.
The International Chamber of Commerce published the millennium edition of its standard trade definitions, Incoterms 2000. Incoterms are a basic reference for sales contracts, in constant daily use throughout the world. The new version will make it easier for traders to do business in the new century, despite the growing volume and complexity of international transactions. Since Incoterms were first published in 1936, they have been updated six times. They precisely define the responsibilities of buyer and seller and are recognized as the international standard by customs authorities and courts in all the main trading nations. It is important for traders to incorporate the correct Incoterms into their international contracts to avoid unnecessary legal problems. Courts may otherwise interpret trade terms according to often widely divergent national laws and unless the use of Incoterms is specified, expensive legal disputes can arise. Division of costs is a most important element in every contract of sale. The parties must know not only who does what but also how costs resulting therefrom should be divided between them. In most cases the fact that a party must do something means that he must also bear the resulting costs, unless otherwise agreed. But there are many exceptions to this principle and uncertainties arise, particularly with respect to services performed by other parties. Also, difficulties arise with respect to the division of costs whenever additional costs are caused by unexpected events, such as hindrances causing a ship to deviate or to remain in a seaport longer than expected. The main principle of the division of costs is clear enough: the seller has to pay costs necessary for the goods to reach the agreed point of delivery, and the buyer has to pay any further costs after that point. But as noted, it is not always easy to implement this principle in practice, since the detailed distribution of functions under the various trade terms is not and cannot be fully defined in Incoterms. Instead, failing precise stipulations in the contract of sale, guidance must be sought from other criteria such as commercial practices used earlier by the same parties or the custom of trade.
The ultimate success of commercial applications of body scan data in the apparel industry will be consumers' substantial applications such as automated custom fit, size prediction, virtual try-on, personal shopper services (Loker, S. et al., 2004). In this study, we surveyed fifty consumers and forty-seven apparel industry workers about their recognition and interest in 3D body scanning and virtual try-on. The results are as follows: 55% of the apparel industry workers has recognized 3D body scanning as a convenient technology, but do not know how to use it. To the questions regarding virtual try-on, 53% of the workers give positive answers. The consumers have a more positive view on virtual try-on than the workers do. The workers predict that the application of 3D body scan technology to the apparel industry could offer customers helpful information in their clothing selection by using virtual images of various size and style, and increase mass production of MTM(Made-To-Measure). The answers from the male consumers in their twenties indicate that virtual try-on is useful by 88% on offline shopping and by 100% on online shopping. 53% of the workers and 68% of the consumers gave answers that just by virtual try-on they could judge the quality of the apparel products and purchase them. Absolutely 3D virtual try-on is an effective tool for online shoppers. 85% of the workers anticipate applications of the 3D body scanning also in 'body measurement', 'custom pattern development' as well as 'virtual try-on' in the near future. With the positive reactions and the stimulating interests in virtual try-on, the conditions of contemporary world encourage more active researches and wide usages of the technology in apparel industry.
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