A Concise Introduction to Software Engineering docx

... theoreti-cal material to ﬁnal-year topics and applications, UTiCS books take a fresh, concise, and modern approachand are ideal for self-study or for a one- or two-semester course. The texts are all authored ... maintainability attribute of delivered software is of high interest—it is clearly desirable to have software systemsthat are easier to maintain.1.2 Scale and ChangeThough cost, schedule, and ... wants to automate the reg-istration process. It already has a database of courses and pre-requisites, and a database of student records. In this project, as the requirements are wellunderstood...

Tài liệu A Concise Introduction to Data Compression- P5 docx

... came.—Tom Clancy, Clear and Present DangerChapter SummaryImages are an important type of digital multimedia data. Images are popular, they areeasy to create (by a digital camera, scanning a document, ... the matrix approach to the Haar transform to introduce thereader to the idea of filter banks. We show how the Haar transform can be interpreted as a bank of two filters, a lowpass and a highpass. ... (5.11)Instead of calculating averages and differences, all we have to do is construct matri-ces A 1, A 2,andA3, multiply them to get W = A 1 A 2 A 3, and apply W to all the columnsof an image...

Tài liệu Nhập môn công nghệ học phần mềm - Introduction to Software Engineering - Phần II docx

... việnAreaTitleAuthorDeals withWritten byBelongs to CopyholdsWas held byBorrowerstate1 MN NNText1ER diagram for a librarylimit HUT, Falt. of IT  Dept. of SE, 2002 SE-III.8The Analysis ... domain constraints”•Thu hút sự tham gia c a nhiều chuyên gia, khách hàng để chúng ta có được các quan điểm xem xét phần mềm khác nhau từ ph a khách hàng•Thiết kế các kịch bản sử dụng c a ... problemRequirementsRequirementselicitationelicitationBuild a Build a prototypeprototypeCreateCreateanalysisanalysismodelsmodelsDevelopspecificationReviewReview...

An Introduction to Software Engineering

... engineering?  What are software engineering methods? What is CASE (Computer- Aided Software Engineering)  What are the attributes of good software?  What are the key challenges facing software engineering? ©Ian ... JUDGMENT• Software engineers shall maintain integrity and independencein their professional judgment. MANAGEMENT• Software engineering managers and leaders shall subscribe to and promote an ethical ... 2Objectives To introduce software engineering and to explainits importance To set out the answers to key questions about software engineering  To introduce ethical and professional issues and to explain...

Tài liệu A Concise Introduction to Data Compression- P1 pdf

... pixelsmay appear many times, and in an audio file, a string of audio samples may also appearrepeatedly. A dictionary-based method maintains a dictionary that contains bits andpieces of the data. As ... nextexample is even more convincing (and only somewhat contrived): alfeastmaneasilyyells A| AAAAAAAAAAAAAAAH .The encoder creates the token (1,9 ,A) , matching the first nine copies of A in ... the fact that parts of data tend to appear several times in a given data file. Thus, a text file may contain severaloccurrences of a word, a phrase, or a syllable. In an image file, the same string...

Tài liệu A Concise Introduction to Data Compression- P2 ppt

... thetelephone) was given to Alexander Graham Bell.Bain’s fax machine transmitter scanned a flat, electrically conductive metal surfacewith a stylus mounted on a pendulum that was powered by an electromagnet. ... information theory and signal analysis courses.Huffman developed his celebrated algorithm as a term paper that he wrote in lieuof taking a final examination in an information theory class he took at ... encoder transmits the compressed data, as it is being generated, over a network. Insuch a case, a code with large variance causes the encoder to generate bits at a rate thatvaries all the time....

Tài liệu A Concise Introduction to Data Compression- P3 pptx

... case of manygrayscales) or three components (in the case of a color image). A continuous-tone imageis normally a natural image (natural as opposed to artiﬁcial) and is obtained by taking a photograph ... searching for the farthestarray element to the left of a 9that has a count smaller than that of a 9. This search canbe a straight linear search if the array is short enough, or a binary search ... coordinates are concentrated around 100, but this is because a few were assmall as −101, so they had to be scaled by 101 to ﬁt in a Matlab array, which alwaysstarts at index 1.)Once the coordinates...

Tài liệu A Concise Introduction to Data Compression- P4 pptx

... called the Haar measure, which allows an analog ofLebesgue integrals to be deﬁned on locally compact topologicalgroups. Mathematical lore has it that John von Neumann tried to discourage Haar ... scientists, artists, or writers whose names are inextricablyassociated with Canada. Similarly, no Canadian plays, stories, or traditional legendsare as well-known as the Shakespeare plays, Grimm ... eight sample points, the viare orthogonal,which is easy to check directly with appropriate mathematical software. After normal-ization, the vicanbeconsideredeitherasan8×8 transformation matrix...

Tài liệu A Concise Introduction to Data Compression- P6 pptx

... is calleddigitally sampled analog data (DSAD). (See also Scalar Quantization.)Voronoi Diagrams. Imagine a petri dish ready for growing bacteria. Four bacteria ofdiﬀerent types are simultaneously ... In practice, vector quantizationis commonly used to compress data that has been digitized from an analog source, suchas sampled sound and scanned images (drawings or photographs). Such data is ... in the bottom-right subband (HH) indicate a diagonal artifact located above the main diagonal. It is also easy to see that subbandLL is a low-resolution version of the original image.12 16...

Tài liệu A Concise Introduction to Data Compression- P7 doc

... (1: a) and (2: b).The encoder outputs1 (a) , 2 (b), 3 (ab), 5 (aba), 4 (ba), 7 (bab), 6 (abab), 9 (ababa), 8 (baba), and adds the new entries (3: ab), (4: ba), (5: aba), (6: abab), (7: bab), ... initialized to the fourth a. Continuing this processis straightforward.The result is that strings aa, aaa, aaaa, are added to the dictionary as entries256, 257, 258, , and the output is97 (a) , ... the Haar Wavelet Transform,” Spel-man College Science and Mathematics Journal, 1(1):22–31, April. Also available atURL http://www.spelman.edu/~colm/wav.ps. (It has been claimed that any smart15-year-old...

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