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5 SOFTWARE REQUIREMENT SPECIFICATIONSThis chapter discusses the softw are requisite specification about the project followed the functional and non-functional requirement of the INTERACTIVE SKETCHED BASED IMAGE SEARCH.5.1 PurposeWhen a sketch is input by a human there will clearly be a degree of accuracy to which the point of reference and scale of the shapes will remembered, and so errors with comparison to the target mental picture or images will be present. The edges of objects and nearness within the image define shapes declension of these shapes can be employ for image similarity. This supports indexing leads to imaginative memory usage since the indexes are always littler than images themselves. Indexing speeds up the search process lengthily which is very important in the image search application.5.2 ScopeThe input plan of this project is the proceeds of a system to allow the searching of database of images using the visual data stored within the images. Here the aim is to develop a system which allows query upon the image content of the images, with the user providing a sketch of the image or images that they desire to retrieve. The key aim is the development of a speedy and correct algorithmic rule for the extraction and comparison of thevisual data from images. Some important point takes in consideration while development they are as follows Identification of the restriction of authoritative content based images retrieval systems so that these areas can be improved upon. Research into the field of content based image retrieval and rapid algorithm development. Design and accomplishment of a system to perform content based image retrieval using sketched input. Expansion of an algorithm for the extraction and sim... ... for that. In building block interrogatory, is the first level of testing and is performed prior to integration testing. All error handling paths should be tested. Drivers and/or stubs need to be developed to test uncomplete so ftware. 7.2.2 Integration Testing In integration testing the individual tested units are grouped as one and the interface between them is tested. There are mainly three approaches to do integration testing, Top-down approach, Bottom-up approach Big bang approachIntegration testing is a software testing methodology used to test individual software components or units of code to verify interaction between various software components. Main program used as a test driver and stubs are substitutes for components directly subordinate to it.Subordinate stubs are replaced one at a time with real components (following the depth-first or breadth-first approach).