The handwriting based person identification systems use their designer's perceived structural properties of handwriting as features. In this paper, we present a system that uses those structural properties as features that graphologists and expert handwriting analyzers use for determining the writer's personality traits and for making other assessments. The advantage of these features is that their definition is based on sound historical knowledge (i.e., the knowledge discovered by graphologists, psychiatrists, forensic experts, and experts of other domains in analyzing the relationships between handwritten stroke characteristics and the phenomena that imbeds individuality in stroke). Hence, each stroke characteristic reflects a personality trait. We have measured the effectiveness of these features on a subset of handwritten Devnagari and Latin script datasets from the Center for Pattern Analysis and Recognition (CPAR-2012), which were written by 100 people where each person wrote three samples of the Devnagari and Latin text that we have designed for our experiments. The experiment yielded 100% correct identification on the training set. However, we observed an 88% and 89% correct identification rate when we experimented with 200 training samples and 100 test samples on handwritten Devnagari and Latin text. By introducing the majority voting based rejection criteria, the identification accuracy increased to 97% on both script sets.
Journal of the Institute of Convergence Signal Processing
/
v.14
no.1
/
pp.21-26
/
2013
The objective of this study was to develop a system for handwriting recognition in three dimensions (3D) to authenticate users. While previous studies have used a stylus pen for two-dimensional input on a tablet, this study uses the Wii Remote controller because it can capture 3D human motion and could therefore be more effective means of recognition. The information obtained from a Wii Remote controller included x and y coordinates, acceleration (x, y, z), angular velocity (pitch, yaw, roll), twelve input buttons, and time. The proposed system calculates distances using six features extracted after preprocessing the data. In an experiment where 15 subjects wrote "AIZU" 10 times, we obtained a 94.8% identification rate using a combination of writing velocity, the peak value of pitch, and the peak value of yaw. This suggests that this system holds promise for handwriting-based authentication in the future.
In this paper, we present a comparative study of spatial domain features for writer identification and verification with different ink width conditions. The existing methods give high error rates, when comparing two handwritten images with different pen types. To the best of our knowledge, we are the first to design the feature with different ink width conditions. To address this problem, contour based features were extracted using a chain code method. To improve accuracy at higher levels, we considered histograms of chain code and variance in bins of histogram of chain code as features to discriminate handwriting samples. The system was trained and tested for 1,000 writers with two samples using different writing instruments. The feature performance is tested on our newly created dataset of 4,000 samples. The experimental results show that the histogram of chain code feature is good compared to other methods with false acceptance rate of 11.67%, false rejection rate of 36.70%, average error rates of 24.18%, and average verification accuracy of 75.89% on our new dataset. We also studied the effect of amount of text and dataset size on verification accuracy.
Seriously depressed by the failure in the first performance of his own drama ${\ll}$The Government Inspector${\gg}$, N. Gogol sought out a space, Italy, which is obviously a turning point for the writer. Here in Italy, the writer could be able to explore an essential foundation for the national identity as well as self-identification of Russian traditional culture, all of which have already been epitomized in the Renaissance period in Italy. The city Rome itself provided Gogol with its grandness and harmonious perfectness, influencing something 'spiritual being' upon the writer. The work under discussion, "Rome," is thus created through these literary circumstances. Though it is made under the different title as "Annuntiata" and it delivers a love story between lovers, the story lines gradually turned into a fiction about the city, Rome. In comparison with city Paris, Gogol himself presents a negative view of the French metropolitan, saying that it is nothing but a by-product of the 19th century civilization. Interestingly enough, Rome for Gogol is totally different; it is the place of sublimity, that is a locus of harmonious, holy, and eternal city. Likewise, this pattern can be said of another description on the two contradictory cities: Paris and Rome. Again, Gogol fully pictures the city Paris as centripetal and Rome as centrifugal, in which the main protagonist makes the reader indulge in his own world. Throughout the story the writer tells us a transformation experienced by his character, and the work ends with an open denouement. Like Jerusalem, Rome is the city of resurrection for Gogol. Yet, this kind of possibility of transformation in the story is exposed to the hero, and it arguably depends on the extent to which he explores the readiness for encountering of 'eternity' in this "eternal city."
When we discuss the literature of traditional era in view of ecological mode, Saseol sijo and its common writers were not objects of interests because they were thought only as having the view of the world or nature the same as the noble class and their normal sijo writings had. Also the living things in Saseol sijo were not paid attention to. They were ignored and degraded because they were unfittable and unnatural poetic diction, or they were nonpoetic results of objects. Any critics could not recognize the breathing things as 'the living ones' or 'the subjective things' in the text. In Saseol sijo, the appearance of experienced, substantial and usual animals attract our interest, which is a clue to compare the noble class' sijo with having the ideal and imaginary living things. This study discussed the writer's view and recognition of 'the living things' in Saseol sijo. In this essay 'the living things' mean living and moving creatures. First 'the living things' in Saseol sijo were the creatures of daily life and experience. They were not ideal or dreamy creatures any longer to the writers of Saseol sijo. In Saseol sijo it's possible for creatures which ecological symbiosis cannot be made to appear together. On the contrary there are texts which had outstanding recognition of 'the living things' that were accustomed to the human life. The writers of Saseol sijo understood 'the living things' as creatures familiar to human beings. Their warm and affectionate eyes toward the creatures made 'the living things' the objects of identification and sympathy. There are some works which were complicated with love and hatred toward 'the living things'. In conclusion, the life of Saseol sijo writers were the same as the symbiosis with the living creatures.
This essay examines the first-generation Korean American writer, No-Yong Park's falsehoods about his ethnic identity to suggest how and why he passed for Chinese, and to explore the political, anti-Japanese implications of these actions. The essay first identifies erroneous information circulating about his biographical background, presents some other materials that help us better understand the context in which he forged his Chinese identity, and then examines how he represented himself as Chinese in his published works. I would argue that Park's self-identification as Chinese was a resulting outcome of his naturalization caused by the Japanese colonial power in Korea and also one of his surviving strategies in the racist environment within American society. Looking at some of his works-including Making a New China (1929), An Oriental View of American Civilization (1934), Chinaman's Chance: Autobiography (1940)-and examining how he represented Korea and its people reveal how he tried to raise voice for them. By doing so, this essay illuminates Park's resistance to Japan's colonial discourse and power in Korea while revealing his lifetime passing as Chinese-far from his refusal to belong to the Korean community, or to acknowledge being Korean.
Epigenetic writers including DNA and histone lysine methyltransferases (DNMT and HKMT, respectively) play an initiative role in the differentiation and development of eukaryotic organisms through the spatiotemporal regulation of functional gene expressions. However, the epigenetic mechanisms have long been suspected in helminth parasites lacking the major DNA methyltransferases DNMT1 and DNMT3a/3b. Very little information on the evolutionary status of the epigenetic tools and their role in regulating chromosomal genes is currently available in the parasitic trematodes. We previously suggested the probable role of a DNMT2-like protein (CsDNMT2) as a genuine epigenetic writer in a trematode parasite Clonorchis sinensis. Here, we analyzed the phylogeny of HKMT subfamily members in the liver fluke and other platyhelminth species. The platyhelminth genomes examined conserved genes for the most of SET domain-containing HKMT and Disruptor of Telomeric Silencing 1 subfamilies, while some genes were expanded specifically in certain platyhelminth genomes. Related to the high gene dosages for HKMT activities covering differential but somewhat overlapping substrate specificities, variously methylated histones were recognized throughout the tissues/organs of C. sinensis adults. The temporal expressions of genes involved in eggshell formation were gradually decreased to their lowest levels proportionally to aging, whereas those of some epigenetic tool genes were re-boosted in the later adult stages of the parasite. Furthermore, these expression levels were significantly affected by treatment with DNMT and HKMT inhibitors. Our data strongly suggest that methylated histones are potent epigenetic markers that modulate the spatiotemporal expressions of C. sinensis genes, especially those involved in sexual reproduction.
From 1905 to 1910 when the deepening national and educational crisis existed, the Korean intellectuals established many educational associations and published many academic journals. In this study, the researcher investigated 9 academic journals which had 132 books published by these educational associations in Korea during the Modern Educational Period (1876${\sim}$1910). The results of this study were summarized as follows : (1) The contents of journals mainly consisted of the Korean history and geography for the purpose of increasing Korean people's identification. And also the journal articles dealt with the western political and economic systems. In addition to these contents, the journals included many scientific studies which were aimed at educating the ordinary Korean people. (2) The scientific articles from these journals were mainly composed of earth science and biology including physiology, while the number of articles for physics and chemistry was less. (3) These scientific articles were published by the same writer in a series .However, the academic level of these was like a school textbook. Based on the results of the data analysis, it is believed that these journal articles possibly were used as a school textbook for science education.
The purpose of this study was to evaluate the educatconal function of the health related articles. The health articles of the four major daily newspapers from Jan. 1st, 1980 to Dec. 31th, 1984 were used and examined for the study. Editorials were excluded. The major results were summarized as follows: 1. The total number of the health articles subjected to the study in the four major daily newspapers was 4,431. On the whole, the health articles were appeared most frequently in 1981. As for monthly distribution, the health articles were appeared most frequently on June.(9.3%). As for weekly distribution, the health articles were appeared most frequently on wednesday and saturday(50.8%). As for the subjects of content; the health articles related to the health & disease management were appeared most frequently(52.8%), but the health articles on industrial health were showed least frequently(0.6%). 2. Reviewing the chronological trend of the health articles, the frequency of appearance of the public health administration was tended to increase year by year, whereas that of enviornmental health, industrial health and population decrease relatively. As for appealing method, it was observed that the articles providing health information were steadily increasing. As for the motives of writing the health articles, there was a tendency that seasonal motive, symphosium & seminar and compaign were increasing, but motive of legislative action and administrative action were gradually decreasing. As for type of the health articles, it was observed that interpretation and research result were steadily increasing. As for the writer of the health articles, there was a tendency that writing by reporter was increasing, whereas writing by experts was decreasing. As for tone of head, the health articles written by identification statement was tended to increase. As for the appearance of photograph & cut, it was observed that the health articles excluding photograph & cut were increasing. 3. When contents were analyzed by subjects, for the purpose of providing information was used most frequently as appealing method for all subjects. As for the motive of writing, "from the interest of writers" was most frequent. As for the type of articles, interpretation type was most prevalent for the public health administration, enviornmental health, food hygrene & nutrition, population and health behavior, while contribution by experts was most frequent for the health & disease management. As for the size of articles, all subjects except the population were appeared most frequently on the column. size between 100㎠ and 199㎠.
Language has a social function to communicate information. Linguists have gradually paid their attention to the function of language since the nineteen sixties, especially to the relationship of form, meaning and the function. The relationship could be more clearly grasped through disciyrse-based analysis than through sentence-based analysis. Many researches were centered on the discourse functional notion of topic. In the early 1970's the subject was defined as the grammatiocalized topic the topic as a discrete single constituent of the clause. In the late 1970's several lingusts including Givon suggerted that the topic was not an atomic, disctete entity, and that the clause could have more than one topic. The purpose of the present study is, following Givon, to study grammatical coding devices of topic and to measure the relative topic continuity/discontinuity of participant argu, ents in Korean narratives. By so doing, I would like to shed some light on effective ways of communicating information. The grammatical coding devices analyzed are the following eight structures: zero-anaphora, personal pronous, demonstrative pronouns, names, noun phrases following demonstratives, noun phrases following possessives, definite noun phrases and indefinite referentials. The narrative studied for the count was taken from the KoreanCIA chief's Testiomny:Revolution and Idol by Hyung Wook Kim. It was chosen because it was assumed that Kim's purpose in the novel was to tell a true story, which would not distort the natural use of language for literary effect. The measures taken in the analysis wre those of 'lookback', 'persistence', ambiguity'. The first of these, 'lookback', is a measure of the size of gap between the previous occurrence of a referent and its current occurence in the clause. The meausure of persistence, which is a measure of the speaker's topocal intent, reflects the topic's importance in the discourse. The third measure is a measure of ambiguity. This is necessary for assessing the disruptive effects that other topics within five previous clauses may have on topic identification. The more other topics are present within five previous clauses, the more difficult is the task of correct identification of a topic. The results of the present study show that the humanness of entities is the most powerful factior in topic continutiy in narrative discourse. The semantic roles of human arguments in narrative discourse tend to be agents or experiences. Since agents and experiences have high topicality in discourse, human entities clearly become clausal or discoursal topics. The results also show that the grammatical devices signal varying degrees of topic continuity discontinuity in continuous discourse. The more continuous a topic argument is, the less it is coded. For example, personal pronouns have the most continutiy and indefinite referentials have the least continutiy. The study strongly shows that topic continuity discontinutiy is controlled not only by grammatical devices available in the language but by socio-cultural factors and writer's intentions.
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