Battle of Narva - Great Northern War Battle of Narva

Battle of Narva - Great Northern War Battle of Narva Conflict Date: The Battle of Narva was fought November 30, 1700, during the Great Northern War (1700-1721). Armies Commanders: Sweden King Charles XII8,500 men Russia Duke Charles Eugà ¨ne de Croy30,000-37,000 men Battle of Narva Background: In 1700, Sweden was the dominant power in the Baltic. Victories during the Thirty Years War and subsequent conflicts had enlarged the nation to include territories ranging from northern Germany to Karelia and Finland. Eager to combat Swedens power, its neighbors of Russia, Denmark-Norway, Saxony, and Poland-Lithuania conspired to attack in the late 1690s. Opening hostilities in April 1700, the allies intended to strike Sweden from several directions at once. Moving to meet the threat, 18-year old King Charles XII of Sweden elected to deal with Denmark first. Leading a well-equipped and highly trained army, Charles launched a bold invasion of Zealand and began marching on Copenhagen. This campaign forced the Danes out of the war and they signed the Treaty of Travendal in August. Concluding business in Denmark, Charles embarked with around 8,000 men for Livonia in October with the intention of driving an invading Polish-Saxon army from the province. Landing, he instead decided to move east to aid the city of Narva which was threatened by Tsar Peter the Greats Russian army. The Battle of Narva: Arriving at Narva in early November, Russian forces began laying siege to the Swedish garrison. Though possessing a core of well-drilled infantry, the Russian army had not yet been fully modernized by the tsar. Numbering between 30,000 and 37,000 men, the Russian force was arrayed from south of the city in a curved line running to the northwest, with their left flank anchored on the Narva River. Though aware of Charles approach, Peter departed the army on November 28 leaving Duke Charles Eugà ¨ne de Croy in command. Pressing east through bad weather, the Swedes arrived outside the city on November 29. Forming for battle atop Hermansberg hill a bit more than a mile from the city, Charles and his chief field commander, General Carl Gustav Rehnskià ¶ld, prepared to assault the Russian lines the next day. Opposite, Croy, who had been alerted to the Swedish approach and relatively small size of Charles force, dismissed the idea that the enemy would attack. On the morning of November 30, a blizzard descended across the battlefield. Despite the foul weather, the Swedes still prepared for battle, while Croy instead invited the majority of his senior officers to dinner. Around midday, the wind shifted to the south, blowing the snow directly into the Russians eyes. Spotting the advantage, Charles and Rehnskià ¶ld began advancing against the Russian center. Using the weather as cover, the Swedes were able to approach to within fifty yards of the Russian lines without being spotted. Surging forward in two columns, they shattered the troops of General Adam Weyde and Prince Ivan Trubetskoy and broke Croys line in three. Pressing home the assault, the Swedes forced the surrender of the Russian center and captured Croy. On the Russian left, Croys cavalry mounted a spirited defense but was driven back. In this part of the field, the retreat of Russian forces led to the collapse of a pontoon bridge over the Narva River which trapped the bulk of the army on the west bank. Having gained the upper hand, the Swedes defeated the remnants of Croys army in detail through the rest of the day. Looting the Russian camps, Swedish discipline wavered but the officers were able to maintain control of the army. By morning, the fighting had ended with the destruction of the Russian army. Aftermath of Narva: A stunning victory against overwhelming odds, the Battle of Narva was one of Swedens greatest military triumphs. In the fighting, Charles lost 667 killed and around 1,200 wounded. Russian losses were approximately 10,000 killed and 20,000 captured. Unable to care for such a large number of prisoners, Charles had the enlisted Russian soldiers disarmed and sent east while only the officers were kept as prisoners of war. In addition to the captured arms, the Swedes captured nearly all of Croys artillery, supplies, and equipment. Having effectively eliminated the Russians as a threat, Charles controversially elected to turn south into Poland-Lithuania rather than attack into Russia. Though he won several notable victories, the young king missed a key opportunity to take Russia out of the war. This failure would come to haunt him as Peter rebuilt his army along modern lines and eventually crushed Charles at Poltava in 1709.

Case Study on Fault Tree Analysis

The Fault tree analysis is an analysis of deductive failure through which a system which is undesired is analyzed through the Boolean logic by combining a series of lower-level events. The analysis method of such is being used in the fields of protection engineering and dependability engineering for understanding the ways through which a system can fail, identifying and recognizing the best probable ways for reducing risks (Dunscombe, 2015). The FTA is generally being used in nuclear power, pharmaceutical and aerospace and industries which are generally hazardous. It is a process through which a skill is being broken into smaller steps for teaching a skill. As the small steps gets mastered, the learner becomes more self-governing in her ability for performing the larger skill The Fault Tree Analysis as depicted in the article is easy to understand. This method can also be defined as a backward method which can be used in thinking about the consequences which may take place (Jonas et al ., 2016). It has been a useful method and has been used over the years in industries which are having social and environmental problems and estimation of frequency failure (Doytchev & Szwillus, 2009). This method has the capability of handling the multiple failures or even the combination of failures. FTA has the ability to accommodate human error in analysis as compared to FMECA. FMECA will only take into account the components possible failure without taking into account the external environment playing a vital role in risk analysis. However, human error can be very random, which is not possible to predict and nearly impossible to in assigning a concrete value of such an error. FTA has the ability to calculate Mean Time to failures or Mean Time between failures. Information of such can be found as failure rates for basic events. Moreover task analysis has been beneficial in breaking down complex task structures and offering credentials for the mental and physical demands of the employees. The nature of data which has a bit of uncertainty can only be attained through conditions that are experimented strongly. Moreover, FTA is not concerned about the effect of failure and only aims to focus on events that could ease the failure. Moreover, FTA is often seen as a cover for human error but gets forgotten amidst the analysis. Activities involving human contribution of an operation should be considered as a treat that has the capability of triggering failure (Kabir et al., 2016). It can take into account the things that can trigger a failure but not the failure effect. Moreover, with task analysis it can only be conducted after the completion of fault tree analysis. Complication only gets increased in case of task analysis with the increase in the number of respondents and data that is being collected. A study of determining the failure of occurrence through FTA in the crushing and mixing of bed hall department at the province of Iran. The analyst assumed ‘failure in factory’ as the main event. There were 6 branches comprising of crushing, mine, raw mill, cement mill and burning and packing house departments. The focus is only on the crushing n admixing bed hall department. A fault tree analysis depicts that the crushing and mid mixing bed hall department is being divided into crusher system and mixing ball system and conveyor belt system. Several sub systems have also being identified. All this sub systems are connected to top event with gate logics 1, 2 and 3. And in the last stage the basic events are being taken into account by codifying circle symbols at last levels. Fig1. Fault Tree Analysis of crushing and mid mixing bed hall department Dunscombe, P. (2015). TU-AB-BRD-03: Fault tree analysis.  Medical Physics,  42(6), 3585 Jonas, J. A., Devon, E. P., Ronan, J. C., Ng, S. C., Owusu-McKenzie, J. Y., Strausbaugh, J. T., . . . Hart, J. K. (2016). Determining preventability of pediatric readmissions using fault tree analysis: Readmission analysis using fault tree.  Journal of Hospital Medicine,  11(5), 329-335. doi:10.1002/jhm.2555 Kabir, S., Walker, M., Papadopoulos, Y., Rà ¼de, E., & Securius, P. (2016). Fuzzy temporal fault tree analysis of dynamic systems.  International Journal of Approximate Reasoning,  77, 20-37. doi:10.1016/j.ijar.2016.05.006 Doytchev, D. E., & Szwillus, G. (2009). Combining task analysis and fault tree analysis for accident and incident analysis: A case study from bulgaria.  Accident Analysis and Prevention,  41(6), 1172-1179. doi:10.1016/j.aap.2008.07.014

Super sleuth supermarket observation study Essay

Super sleuth supermarket observation study - Essay Example Tesco possess a wide portfolio of its store which includes: Tesco super store, Tesco Store, Tesco extra, Tesco metro. All this stores provides good service and excellent value to its customers. The difficulties that Tesco faced previously were due to low price inflation for food, less growth in population, difficulty in getting permission for setting the supermarket, saturated market and also competition. But today Tesco is considered as an example and treated as a model for supermarket across the world. According to the survey conducted on a weekend in Tesco store it was found that people of all age visit Tesco. But customer in the age band 20-45 years is found more as compared to customer falling in other age band. Both male and female customer was found on the store but as compared to male, female customers was more in number. Jaguar and Rover was found more in number in the parking space of the store. They mainly preferred casual. The store was crowded as it was a weekend therefore the store was more crowded as compared to other weekdays. The research was conducted in the evening which is the peak time in the weekend. The customers were checking the items of the list. The impulse item of Tesco was confectionary. More than 50 % of the crowd of the store was found at the confectionary division of the store. (RÃ ¼ther 32) While conducting a market survey it was revealed that a customer purchased Tesco extra large code fillets batter. The customer was so happy and overwhelmed when she came home and opens the pack. She was so excited and satisfied that she recommended to her friends relatives and other family members. In another case it was found that a customer who took his daughter for a lunch at Tesco and ordered for sandwich which they prefer to have whenever they come to Tesco. But when the sandwich was served it was found that the quality has degraded and the ingredient that was stuffed inside the sandwich was of low quality. But with

Demand and Supply Essay Example | Topics and Well Written Essays - 1500 words - 1

Demand and Supply - Essay Example People specialize in the production of goods and services -- or more existentially, as dictated by their environment, heredity, and/or fate in order to alleviate human suffering [their own existence included]. In the process of pursuit of own self-interests to satisfy needs and wants, individuals succumb to the unintended, invisible market forces that compel others to react by supplying necessities to make life even better in an engagement that leaves interactive parties better off as oppose to having excesses of what one produces in abundance, thus the very essence of efficient allocation of resources in the society studied in microeconomics (Stead and Stead, 2009, p.42). Economists are in agreement that prices and quantities are descriptively the most observable attributes of individual interests that interact within a market structure to facilitate mutually beneficial exchanges as envisaged by Adam Smith (Friedman, 2009, p.145). Thus, for the exchange of interests (expressed in terms of goods and services) to occur, demand and supply has to exist, but at some costs. From the field of academia to industrial circles, the basic premises of supply and demand are integrated into the daily actions of the society. To be sure, the theoretical mastery of economics depends much on the understanding of the theory of demand and supply (Gandolfi, Gandolfi, and Barash, 2002, pp. 5-6). The theory of demand and supply is, therefore, an organization principle that coordinates the production of goods and services (in quantities, often referred to as output) to satisfy societal needs through the market/price mechanism. Intuitively, the price mechanism moderates the e xchanges to the point where goods and services delivered by suppliers (supply side) and paid for by the consumers (demand side) always tends towards a state balance with reference to the compensation packages received by either side. The dynamics of demand and supply applies best to a theoretically free market

The Ashley Treatment Essay -- Medical Research

Parents, no matter their profession, are eternally in the business of raising their children. From their earliest ages, kids are told who they can play with, what they can eat, where they can go, and even when they have to go to bed. But is there a point where parents go too far? In other words, is there a time when in raising a child, a parent interjects in a child’s life so much that those actions become detrimental to the child’s development? This is the physically moral dilemma that comes out of the Ashley Treatment. The procedure that has opened up society’s view on human development brings with it an incredible amount of controversy. Turning to a more theological approach, this procedure raises so many questions regarding the human condition. For instance, how do humans accommodate those with severe disabilities without stripping them of certain natural human rights that every individual is afforded? To take it to a more fundamental level, what ought we to do as humans to help people with disabilities, while at the same time making sure we are treating them as equal beings? Once questions like these can be addressed, the more pointed question can be reflected upon: is the Ashley Treatment ethical? When answering this, it is important to remember that all people deserve a voice in the goings on in the world, particularly when those issues pertain to themselves. Additionally ponder the fact that there are unique cases in which someone else may need to speak on behalf of an individual for that person to be heard. Such is the case for many with profound disabilities like Ashley. The Ashley Treatment is a pretty novel and groundbreaking procedure with incredible ethical discord. This treatment was devised by the doctors of ... ... over their child, in particular regards to profound disability and the â€Å"Ashley Treatment.† Liao, S., Julian Savulescu, and Mark Sheehan. â€Å"The Ashley Treatment: Best Interests, Convenience, and Parental Decision-Making.† Hastings Center Report. 37.2 (2012): 16- 20. Web. 25 Mar. 2012. This essay weighs the benefits and consequences of the â€Å"Ashley Treatment† procedure. It looks at how it was created, why it was used, and ethical justification to validate its use. Ryan, Christine. â€Å"Revisiting the Legal Standards that Govern Requests to Sterilize Profoundly Incompetent Children: In Light of the Ashley Treatment, Is a New Standard Appropriate.† Fordham Law Review. 77.1 (2008): 287-325. Print. This article talks about the controversial â€Å"Ashley Treatment† from a legal and ethical standpoint. It uses the court decisions on this matter to create the author’s argument.

License Plate Recognition

Emerging Trends in Computer Science and Information Technology -2012(ETCSIT2012) Proceedings published in International Journal of Computer Applications ® (IJCA) Automatic Vehicle Identification Using License Plate Recognition for Indian Vehicles Sandra Sivanandan Department of Computer Engineering K. K. Wagh Institute Of Engineering Education & Research, Hirabai Haridas Vidyanagari Amrut-Dham, Panchavati, Nashik-422003 University of Pune, Maharashtra Ashwini Dhanait Department of Computer Engineering K. K.Wagh Institute Of Engineering Education & Research, Hirabai Haridas Vidyanagari Amrut-Dham, Panchavati, Nashik-422003 University of Pune, Maharashtra Yogita Dhepale Department of Computer Engineering K. K. Wagh Institute Of Engineering Education & Research, Hirabai Haridas Vidyanagari Amrut-Dham, Panchavati, Nashik-422003. Yasmin Saiyyad Department of Computer Engineering K. K. Wagh Institute Of Engineering Education & Research, Hirabai Haridas Vidyanagari Amrut-Dham, Panchavati, Nashik-422003. ABSTRACT In this study, a smart and simple algorithm is presented for vehicle’s license plate recognition system.The proposed algorithm consists of three major parts: Extraction of plate region, segmentation of characters and recognition of plate characters. For extracting the plate region edge detection and morphological operations are used. In segmentation part scan line algorithm is used. Character Segmentation for Devanagari Number Plates is also presented. Optical character recognition technique is used for the character recognition. The objective is to design an efficient automatic authorized vehicle identification system by using the vehicle number plate.Here we are presenting a smart and simple algorithm for vehicle’s license plate recognition system for Indian Vehicles. In this study, the proposed algorithm is based on extraction of plate region, segmentation of plate characters and recognition of characters. In India we find plates having Deva nagari fonts as well (though according to rules it is not allowed). Character extraction for Devanagari font is slightly different as compared to English font because of the header line (shirorekha). We propose algorithm for character extraction for Devanagari font. The recognized plate an be then compared with police hotlist database to identify stolen vehicles. The paper is organized as follows: Section II provides an overview of the overall system. Extracting the plate region is explained in Section III. Section IV gives the segmentation of individual plate characters. Section V deals with recognition of characters using optical character recognition based on statistical based template matching algorithm which uses correlation and section VI deals with verification of plate according to Indian rules. The paper concludes with Section VII. KeywordsDevanagari, Edge detection, License plate recognition, Optical character recognition, segmentation. 1. INTRODUCTION License plate recogn ition (LPR) is a form of Automatic Vehicle Identification. It is an image processing technology used to identify vehicles by only their license plates. Real time LPR plays a major role in automatic monitoring of traffic rules and maintaining law enforcement on public roads. The LPR system’s significant advantage is that the system can keep an image record of the vehicle which is useful in order to fight crime and fraud (â€Å"an image is worth a thousand words†).Early LPR systems suffered from a low recognition rate, lower than required by practical systems. The external effects (sun and headlights, bad plates, wide number of plate types) and the limited level of the recognition software and vision hardware yielded low quality systems. However, recent improvements in the software and hardware have made the LPR systems much more reliable and wide spread. 23 Emerging Trends in Computer Science and Information Technology -2012(ETCSIT2012) Proceedings published in Internat ional Journal of Computer Applications ® (IJCA) in night condition, contrast enhancement is important before further processing [1]. . STRUCTURE OF LPR SYSTEM Fig. 1) Original Image Fig. 2) Gray Scale Image Flowchart of Proposed System The algorithm proposed in this paper is designed to recognize license plates of vehicles automatically. Input of the system is the image of a vehicle captured by a camera. The captured image taken from 3-5 meters away is first converted to gray scale. We apply vertical edge detection algorithm and morphological operation i. e. open and close for plate extraction. After applying morphological operations image is filtered out to get exact plate region. Plate region is cropped.Row segmentation separates row in plate and column separation separates characters from row. Finally recognition part OCR recognizes the characters giving the result as the plate number in ASCII format. The result in ASCII format is can be verified on the basis of rules followed in India. Fig. 3) Gray image after contrast enhancement 3. 2 Vertical Edge Detection Before applying edge detection median filter is to be applied to image for removing noise. The main idea of median filter is to run through the signal, entry by entry, replacing each entry with the median of neighboring entries.Such noise reduction is a typical preprocessing step to improve the results of later processing (edge detection) [2]. 3. EXTRACTION OF PLATE REGION Plate Extraction is done in following steps 3. 1 Convert image to Gray Scale 3. 2 Apply Vertical Edge detection 3. 3 Candidate Plate Area Detection ? Morphologically Close image ? Fill holes in image ? Morphologically Open image 3. 3 Filtration of non Plate region 3. 1 Conversion To Gray Scale This is pre-processing step for plate extraction. We apply Formula: I( i, j) = 0. 114*A( i, j,1) + 0. 587*A(i, j, 2) + 0. 99* A(i, j,3) where, I(i,j) is the array of gray image, A(i,j,1), A(i,j,2), A(i,j,3) are the R,G,B value of original im age respectively. Sometimes the image may be too dark, contain blur, thereby making the task of extracting the license plate difficult. In order to recognize the license plate even In ascending order of values: 0, 2, 3, 3, 4, 6, 10, 15, 97. Center value (previously 97) is replaced by the median of all nine values (4). Edge detection is performed on the given image, which aims at identifying points in digital image at which image brightness changes sharply or, more formally, has discontinuities.There mainly exists several edge detection methods (Sobel, Prewitt, Roberts, Canny). We use here Sobel operator for vertical edge detection. If we define A as the source image, and Gx and Gy are two images which at each point contain the horizontal and vertical derivative approximations, the computations are as follows: 24 Emerging Trends in Computer Science and Information Technology -2012(ETCSIT2012) Proceedings published in International Journal of Computer Applications ® (IJCA) Where * i s 2D convolution operation. Fig. 5) Closed Image Fig. 4) Sobel Vertical Edge detection Fig. 6) Filled Image 3. Candidate Plate Area Detection A morphological operator is applied to the image for specifying the plate location. We build a morphological operator that is sensitive to a specific shape in the input image. In our system rectangular box is employed as a structural element to detect the car plates. In mathematical morphology structuring element are represented as matrices. Structuring element is a characteristic of certain structure and features to measure the shape of an image and is used to carry out other image processing operations [4]. Typical rectangular structuring element is shown in figure. Fig. ) Opened Image 3. 4 Filtration Of Non Plate Region After identify the ROI, image is then filtered using following filtering techniques. First find the connected components in image. The first technique involves removing of all white patches which has more or less area than t he threshold. For instance components having area < 2000 or >20000 are eliminated. Using Bounding Box method, draw Bounding Box around components and fill the image. According to the height values, for instance, only the objects with a height greater than Tmin_h and less than Tmax_h are retained, and eliminate the other objects.After that, if the width values of the retained objects are greater than Tmin_w and less than Tmax_w, the objects are retained; otherwise, the objects are removed, and so on. Where: Tmin_h : Minimum height of the object. Tmax_h : Maximum height of the object. Tmin_w : Minimum width of the object. Tmax_w : Maximum width of the object [6]. After filtering plate region is cropped by searching for the first and last white pixels starting from top left corner of an image. Plate is cropped from original image after getting coordinates. Using two basic operation of morphology (erosion and dilation), opening and closing of image is done.The opening of A by B is obtai ned by the erosion of A by B, followed by dilation of the resulting image by B. The closing of A by B is obtained by the dilation of A by B, followed by erosion of the resulting structure by B. For closing image 10*20 rectangular structuring element is used. After closing image we have to fill the holes in this image. A hole is a set of background pixels that cannot be reached by filling in the background from the edge of the image [3]. Then image is opened using 5*10 rectangular structural element. Values are determined according to the size of the image.Here we have used 1280X980 resolution images. 25 Emerging Trends in Computer Science and Information Technology -2012(ETCSIT2012) Proceedings published in International Journal of Computer Applications ® (IJCA) 4. SEGMENTATION OF PLATE CHARACTERS Before applying the OCR, the individual lines in the text are separated using line separation process and individual characters from separated lines. Steps for Character Segmentation: 4. 1 Binarization of Plate image 4. 2 Scan Line Algorithm for row segmentation 4. 3 Vertical Projection for column segmentationFig 6) Filtered Image on basis of area Fig. 7) Bounding Box and filled image 4. 1 Binarization Of Plate Image Binarize the plate image. Threshold for binarization must be such that characters are displayed well. For that we take average of all pixel values in plate image and calculate threshold. Fig. 10) Binarized image Fig. 8) Image after filtration on basis of height &width of objects 4. 2 Scan Line Algorithm The scan line algorithm is based on the feature that there is transition from 1 to 0 and 0 to 1 transition in character region in a binary image.Thus the total number of transition in character region is more than the total number of transition in other region. There are at least seven characters in license plate region and every character has more than two Jumps[7]. We can choose twelve as the threshold value. If the total number of transitions in a ce rtain line is greater than twelve, this line may be in character region. Otherwise, it is not in character region. Algorithm: 1) Let H be height and W be Width of Plate image. 2) for(i=H/2 to 0) { Count no of transitions ie 0 to 1 and 1 to 0 in cnt; if cnt

Essay on Research on Cyber Bullying - 2847 Words

Maria Castro May 30, 2010 Research Paper Cyber Bullying Within Teenagers Bullying has changed in many different ways over time. Just how everything around us becomes more technical and easier to use, in some way so has bullying. Technology has changed bullying because it has only made it easier and more available to cyber bullies. Cyber bullying is a new trend that has evolved in the United States over the past few years. Cyber bullying is wrong and dangerous, it has caused various deaths and all types of negativity inside people’s lives. No one should practice bullying in the first place but thanks to the internet it occurs every second and it can happen to anyone. Cyber bullying has become very popular especially to†¦show more content†¦Megan couldn’t take it anymore and decided to take her life away (Parents: Cyber Bullying Led to Teen’s Suicide). Teenagers are not aware and don’t come to full reorganization of what they’re doing on the internet. They take advantage of the technology we have and use it in th eir advantage. They are not realizing that their words even if they’re through the internet, they hurt other people and take them to depression. Not only does cyber bullying take victims to depression but it takes away lives. Cyber bullying also causes it’s victims to have a low self esteem. Having a low self esteem causes teenagers to act poorly in school and they become less and less excited about life. Everyone is different and everyone deals with situations differently. At the end of the day Cyber bullying is a form of abuse. It shouldn’t be practiced no matter what the reason behind it is. Cyber bullying is just as wrong as physical bullying. In some situations cyber bullying may seem like there is no physical threat or even contact but in reality it hurts the victims more than actual physical bullying. When teenagers practice cyber bullying not only are they hurting their victims but they are hurting themselves. Cyber bullies can end up in jail because the re are now many laws that go against cyber bullying. â€Å"One day after the anti bullying legislation became a law in Massachusetts; New York lawmakers are trying to doShow MoreRelatedCyber Bullying Research Paper1670 Words   |  7 Pagesforming a Bullying Prevention Coordinating Committee, consisting of representatives from each key stakeholder group such as school administrators, teaching staff, and non-teaching staff, parents, and other local authorities. The Bullying Prevention Coordinating Committee (BPCC) will attend a two-day training to better understand program implementation. The Olweus Student Questionnaire will be administered to all high school students in order to obtain a baseline for the prevalence of bullying. The questionnaireRead MoreCyber-Bullying: A Brief Research Proposal Essay1685 Words   |  7 Pagesform of bullying has developed – Cyber bullying. 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