distinctive image features from scaleinvariant keypoints ppt

Tài liệu Distinctive Image Features from Scale-Invariant Keypoints David G. Lowe Computer Science Department ppt

Tài liệu Distinctive Image Features from Scale-Invariant Keypoints David G. Lowe Computer Science Department ppt

... Keypoints from the reduced resolution image were matched against those from the original image so that the scales for all keypoints would be be present in the matched image. In addition, 1% image ... leftmost point is matching against features from only a single image while the rightmost point is selecting matches from a database of all features from the 112 images. It can be seen that matching ... at least 3 features be correctly matched from each object for reli- able identification. For image matching and recognition, SIFT features are first extracted from a set of ref- erence images and...

Ngày tải lên: 13/12/2013, 16:15

28 502 0
Tài liệu Language Features of Java Generics pptx

Tài liệu Language Features of Java Generics pptx

... list of strings is used, the compiler added a cast from Object to String. See Listing 4 for a type erasure of our parameterized max() method from Listing 1 . Again, all occurrences of type variables ... ElementType, where the elements are taken from a collection of elements that are of a subtype of ElementType. Now we have discussed all major language features related to Java generics: parameterized ... upcoming release of Java 2 Platform, Standard Edition 1.5. The first installment—"Language Features of Java Generics ," Java Pro Online, March 3, 2004—discussed Java collections and...

Ngày tải lên: 10/12/2013, 02:15

5 386 0
Tài liệu XML Features in ADO.NET ppt

Tài liệu XML Features in ADO.NET ppt

... from the MappingType enum listed below. If the XML output format is the DiffGram, then the Hidden mapping type is ignored. In this case, though, the DiffGram representation of the column features ... namespace is stored in the Prefix property. Building a DataSet from XML The ReadXml method fills out a DataSet object reading from a variety of sources, including disk files, .NET streams, ... schema from the XML data DiffGram Reads a DiffGram and adds the data to the current schema Fragment Reads and adds XML fragments until the end of the stream is reached Page 2 of 8XML Features...

Ngày tải lên: 10/12/2013, 14:16

8 306 0
Tài liệu Lab 1.1.7 Using ping and tracert from a Workstation ppt

Tài liệu Lab 1.1.7 Using ping and tracert from a Workstation ppt

... and tracert from a Workstation Objective • Learn to use the TCP/IP Packet Internet Groper (ping) command from a workstation. • Learn to use the Trace Route (tracert) command from a workstation. ... Ideally, this lab is performed in a LAN environment that connects to the Internet. It can be done from a single remote connection via a modem or DSL-type connection. The student will need the IP ... abbreviation for trace route. The preceding figure shows the successful result when running tracert from Bavaria in Germany. The first output line shows the FQDN followed by the IP address. Therefore,...

Ngày tải lên: 11/12/2013, 13:15

5 500 1
Tài liệu 25 Signal Recovery from Partial Information ppt

Tài liệu 25 Signal Recovery from Partial Information ppt

... general c  1999 by CRC Press LLC FIGURE 25.4: (a) Original image. (b) Degraded image at 25 dB SNR. (c) Restored image using Kaczmarz iterations. (d) Restored image using the modified Kaczmarz algorithm in ... filter design. We distinguish between image restoration, which pertains to image re- covery based on a measured distorted version of the original image, and image reconstruction, which refers most ... for the problem of image restoration where additional a priori signal information is incorporated into the algorithm. 25.7 Image Restoration Using POCS Here we describe an image recovery algorithm...

Ngày tải lên: 16/12/2013, 04:15

22 272 0
Tài liệu Module 1: Displaying Data from a Database ppt

Tài liệu Module 1: Displaying Data from a Database ppt

... Data from a Database 1 # ## # Overview ! Introducing Data-Driven Web Sites ! Demonstration: Tour of the Sample Web Site ! Retrieving Data from a Database ! Lab 1.1: Retrieving Data from ... Important Module 1: Displaying Data from a Database 25 Exercise 2: Retrieving Records from an Existing Database In this exercise, you will retrieve records from the NetworkInc.mdb database. ... following materials: ! Microsoft PowerPoint file 1932A_01 .ppt. ! Module 1, “Displaying Data from a Database” ! Lab 1.1, “Retrieving Data from a Database” ! Lab 1.2, “Creating a Detail Results...

Ngày tải lên: 21/12/2013, 19:15

40 451 0
Tài liệu Image and Videl Comoression P1 pptx

Tài liệu Image and Videl Comoression P1 pptx

... the processed image, g(x, y); that is, the closer the processed image g(x,y) is to the original image f (x, y). This seems to be correct. However, from our above discussion about the features of ... considering that they play a key role in image and video compression. * In this book, the terms image and video data compression, image and video compression, and image and video coding are synonymous. ... VISUAL QUALITY MEASUREMENT As the definition of image and video compression indicates, image and video quality is an important factor in dealing with image and video compression. For instance, in...

Ngày tải lên: 22/12/2013, 21:18

28 359 0
Tài liệu Connecting to SQL Server Using Integrated Security from ASP.NET ppt

Tài liệu Connecting to SQL Server Using Integrated Security from ASP.NET ppt

... Integrated Security from ASP.NET Problem You want to coordinate Windows security accounts between an ASP.NET application and SQL Server. Solution Connect to SQL Server from ASP.NET using ... two different authentication modes: Windows Authentication Uses the current security identity from the Windows NT or Windows 2000 user account to provide authentication information. It does...

Ngày tải lên: 24/12/2013, 05:15

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Tài liệu Retrieving Database Schema Information from SQL Server pptx

Tài liệu Retrieving Database Schema Information from SQL Server pptx

... LiB ] Recipe 10.2 Retrieving Database Schema Information from SQL Server Problem You need to retrieve database schema information from a SQL Server database. Solution Retrieve table schema ... Description Assertions Assertions Catalogs Physical attributes and assertions for catalogs accessible from the data source Character_Sets Character sets Check_Constraints Check constraints Check_Constraints_By_Table ... GetOleDbSchemaTable( ) method of the OleDbConnection object. This method returns schema information from a database as indicated by a GUID enumerated in the OleDbSchemaGuid class and detailed in...

Ngày tải lên: 24/12/2013, 05:15

6 399 1
Tài liệu Module 4: Creating and Deploying an Image of Windows 2000 Professional pptx

Tài liệu Module 4: Creating and Deploying an Image of Windows 2000 Professional pptx

... disk. c. In the PowerQuest Drive Image Pro 3.01 dialog box, click Restore Image. The Restoring an Image wizard starts. d. On the Select Image File page, in the Image File box, type c:\target.pqi ... Review  Introduction to Creating and Deploying an Image  Preparing a Reference Computer  Creating an Image  Testing an Image  Deploying an Image 1. What is the most important factor in ... image. a. Insert Drive Image Pro Disk 1 in the floppy drive, and then press SPACEBAR. b. When prompted, insert Drive Image Pro Disk 2 in the floppy drive, and then press SPACEBAR. Drive Image...

Ngày tải lên: 17/01/2014, 08:20

36 394 0
Tài liệu displaying data from multiple tables pptx

Tài liệu displaying data from multiple tables pptx

... rows from the non-deficient table can be joined. Syntax SELECT table.column, table.column FROM table1, table2 WHERE table1.column = table2.column(+); or SELECT table.column, table.column FROM ... Data from Multiple Tables 4Ć9 Simple Join Query To display data from two or more related tables, write a simple join condition in the WHERE clause. Syntax SELECT table.column, table.column FROM ... Sports appearing although there is still no sales representative. Displaying Data from Multiple Tables 4 Displaying Data from Multiple Tables 4Ć11 Simple Join Query continued Equijoin In order to determine...

Ngày tải lên: 17/01/2014, 09:20

38 282 0
Tài liệu Image and Videl Comoression P6 ppt

Tài liệu Image and Videl Comoression P6 ppt

... and will be reconstructed from scratch. Considering the fact that there are several international standards concerning still image coding (for both bilevel and multilevel images), a brief summary ... several techniques to the JBIG test image set. 1. For bilevel images excluding digital halftones, the compression ratio achieved by these techniques ranges from 3 to 100. The compression ratio ... halftones. 6.5.2 LOSSLESS MULTILEVEL STILL IMAGE COMPRESSION 6.5.2.1 Algorithms There are two international standards for multilevel still image compression: JBIG (Joint Bilevel Image experts Group coding)...

Ngày tải lên: 19/01/2014, 20:20

23 363 0
Tài liệu Image and Videl Comoression P4 ppt

Tài liệu Image and Videl Comoression P4 ppt

... the image G and the basis image I u,v (Wintz, 1972). Note that basis images have nothing to do with the input image. Instead, it is completely defined by the transform itself. That is, basis images ... Press LLC In reconstructing the original image all the subimages are organized to form the whole image. Therefore the independent processing of individual subimages causes block artifacts. Though ... still images coding but also for coding residual images (predictive error) in motion-compensated interframe predictive coding. These features make the DCT the most widely used transform in image...

Ngày tải lên: 19/01/2014, 20:20

32 379 0

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