Web application development

2016

Digital Image Processing Course WEB APPLICATION DEVELOPMENT PROGRAMMING ASSIGNMENT HELP

TASK 1 1.1 Digital image sources The origin of any image including digital image is the photographs and artworks. Normally a digital image can be created by a digital camera effortlessly. Analogue formats can also be converted into digital by a scanner or any other devices similar to that. All digital cameras use CCD (Couple Charge Device) to capture the images and save them in a memory card or the camera’s internal memory. The light passes through the camera’s lens and the aperture forming an image. On the other hand, analogue form of images like photographs, photographic films and printed paper are initially scanned and then the scanned copy is refurbished using dynamic imagining technique. Now-a-days, mobile phones come with camera due to the development in technology which can also be used as a source to digital images.

Digital images that are to be made are developed with two sources namely; primary and secondary sources (Rafael and Gonzalez, 2005). The final rendering will be a digital image with the sources in it. Read more about Web Application Designing



Primary Source: Primary sources are nothing but the first-hand art work or object or a person.

Here talking about digital imaging, the primary source would be the initial/chief image/point of image supply. Few of the sources that can be considered primary are; o Creative works o Old photographs o Diaries o Letters o Work of art, architecture, literature and other artifacts o Memos and newspaper articles o Financial records and text reports

The mentioned sources are common examples and sometimes only few are in terms of digital imaging.



Secondary Source: The source that doesn’t have an adjacency to the immediate record is secondary source. These are also considered as sources but they lack originality. Secondary sources are formed by taking surveys, getting comments and analysis, interpreting journals and book reviews.

An example is given below to know the difference between primary and secondary sources.

GENERIC COMPARISON OF PRIMARY AND SECONDARY SOURCES

www.programmingassignmentshelp.net

help@programmingassignmentshelp.net

1.2 Creating digital image from source ABSTRACT Images in digital formats are created using capturing devices and by developing using primary and secondary sources. Here the explanation of how a fantasy art is rendered using Metadata is explained.



How to create a digital image for a specific purpose?

Before starting the work, the purpose is to be identified. In this assignment task fantasy illustration is given and hence fantasy art is goal. The word fantasy means imagination or dream and hence for creating a fantasy art, the right kind of imagination is needed. If drawing with imagination as source is not possible, the right kind of images should be mixed to produce a fantasy level image (Trushel and Vrhel, 2008).



How to look for sources?

Once the purpose is known, the sources are searched and the image is developed accordingly. Here either multiple images or imagination can be the source of the image.

FANTASY ILLUSTRATION

www.programmingassignmentshelp.net

help@programmingassignmentshelp.net

The image is a creative mix of the woods and an archer. The primary sources are a photographic picture of a jungle and a lady archer. The digital image here is drawn instead of manipulations of the primary sources.

Primary Sources

Source:http://th07.deviantart.net/fs11/PRE/i/2006/246/0/1/Jodi_Sitting_Elf_Archer_Girl_4_by_Fan tasyStock.jpg andhttp://www.mansfieldma.com/assets/images/Great_Woods_Red_Trail_s.jpg The completed digital image presented was made using a 2D bitmap image editor ‘Photoshop’ by Adobe Creative Suites. Initially by looking at the woods picture, an imaginary jungle was drawn with quite some details.

Read more about Web Application Development Assignment The woods background

www.programmingassignmentshelp.net

help@programmingassignmentshelp.net

Then once the background is ready, the archer is painted in the desired location. By creating a new layer in Photoshop, the background stays unaltered. If no new layer is created, the background becomes a part of the new paint which will make it hard to correct the new paint without altering the background.

TASK 2 2.1 Formats and fundamentals Image processing can be considered as a transformation of a particular image into an enhanced image.

Its definition states that it is the analysis and manipulation of an image just to improve its quality. The fundamental steps of image processing are; Image grabbing, pre-processing, segmentation, representation and feature extraction and finally recognition and interpretation (safaribooksonline, n.d) Image grabbing is the primary step and a camera is used for this step. Let’s assume a mechanical company which produces components as an example. In order to detect defect, a camera is placed which clicks many images in a second. There are two types of camera called the monochrome which photographs in black and white/grey scale and a colour camera. Then these images of the components are subjected to digitization (Caroline, 2010). Next to this step is the pre-processing step which has to enhance the image so that there are higher possibilities of success in the steps that are to come.

Enhancing brightness/contrast, removing noise in the image, isolating interest objects in the image etc. are few examples of what will happen during pre-processing. Once pre-processing is done, the image is segmented. Segmentation is the process of extracting the border of interest objects from background.

Feature extraction is the next step that follows which selects the important characteristics of an object in the image (Rafael and Gonzalez, 2005). The final process is the recognition process which will label the image with the information provided by the feature extraction.

FUNDAMENTAL STEPS IN IMAGE PROCESSING

www.programmingassignmentshelp.net

help@programmingassignmentshelp.net

2.2 Digital management technique to store imagery Images are converted from their analogue form and then saved in a digital form. These digital forms are called as compressions and there are two types of compression namely the lossy and the lossless. Lossy compressions are a type of compression where the image data which is compressed is lost whereas it’s not lost in Lossless compression (Rafael and Gonzalez, 2005). Lossless compressions are mainly used for archiving purposes in the field of medical imaging, technical and clip art or comics. Lossy images are widely preferred for photographs where minimal loss of dependability is acceptable. The extensions of Lossy compressions are .JPG, .JPEG, .JIF, .JFIF and .JPE and of Lossless compressions are .BMP, .TGA, .TIFF, .GIF, .PNG and .MNG (Caroline, 2010). The best compression is a compression where the image quality is unaltered but taking properties like scalability, region of interest coding, Meta information or Metadata and Process powering are important to be considered.



Data Documentation

Data documentation embodies the following

   

Names, labels and variable description Code of compression and code explanation Reason for missing code value Data listing with descriptions of cases

Most of these data are recorded in the metadata end. Metadata gives the framework for any research data by providing explanatory details about it. Metadata is for almost all files that can be saved (Trushel and Vrhel, 2008). Metadata for photographs gives a detail about the person who owns it, the copyright, contact information, the camera with which the image was captured and it’s settings, compression type, date and time and quality of the image. An example of a metadata is given below.

EXAMPLE PICTURE

www.programmingassignmentshelp.net

help@programmingassignmentshelp.net

TASK 3 3.1 Use of software tools to manipulate digital images Abstract Digital images can be manipulated with the relevant software for increasing the quality and creativity of images. Examples of those kinds of software are Adobe Photoshop, Microsoft picture manager, GNU image manipulation program, Maya and so on. These tools have all the techniques and sub tools for creating digital images (Rafael and Gonzalez, 2005). We have used Microsoft office picture manager to manipulate the digital image and the original and manipulated images are shown below. Microsoft office picture manager is simple and easy to use image manipulation software which comes along with Microsoft office package. It is having only fewer image manipulation features..

www.programmingassignmentshelp.net

help@programmingassignmentshelp.net

www.programmingassignmentshelp.net

help@programmingassignmentshelp.net

Source: upload.wikimedia.org/wikipedia/commons/5/5a/Villers_Young_Woman_Drawing.jpg The image is manipulated by using the mentioned software is shown below.

Manipulated and enhanced image The image is cropped for the clear and zoomed in vision and also enhanced with the software for good quality of the image by changing the hue and saturation accordingly. Good features of this software are cropping, adjusting, and hue and saturation alteration. Cropping with irregular shape is not available in the software. Painting, levels and curves, history, paths, channels, layers are the important features of image manipulation those are not available in the software.

The output of the created image can be stored as JPEG, PNG, and GIF formats with larger size similar to one taken in a modern digital camera (Rafael and Gonzalez, 2005). Image can be stored in any storage device such as compact disk, removable disk, hard disk or in a memory card according to the purpose we are going to use the image. One drawback of the software is we don’t have any permission to add our own image processing routines and techniques with it. [See Also Website Designing & Testing]

3.2 Preparing image files for output While preparing image files for the delivery, we should ensure the quality and the visuals of the image should not be affected even after the delivery of the image to a new environment. The real-time problems that may arise are change of colour visuals, change of picture quality and clarity, change in picture brightness (Trushel and Vrhel, 2008). To ensure the quality of image after delivery we have to follow some important steps.

Image file formats First of all, we should make the colour model as RGB all the time because that model is giving the real time colour picture quality in all kinds of software if we have decided to deliver the image as a softcopy.

If we decided to deliver it on a printed format, the chosen colour format should be CMYK because it is optimum for printed format. This is for stable images and dynamic images can be created by using GIF file formats and images for websites are usually in PNG formats. PNG format is mostly used in web publishing with high quality images (Caroline, 2010).

Always we have to keep the first RGB copy even if we have changed one copy to CMYK because RGB is good for storage and processing whereas CMYK is good for printing. The images delivered should be in large enough size as required because large pictures can be used for making print out in large banners and flux boards. The large size images are also useful for producing quality of the text and very small part in the large picture. Along with the dimensions of the picture for larger size the resolution should also be large for quality picture.

Storage media selection For better quality image delivery the storage media selection is also necessary. The storage media should be supportive for the image file format chosen. This is because image with very good quality may become unusable if the storage media is not good. Delivery of images that require higher life time should be in a DVD disk or Removable Disk because the data in Compact disk are corrupted automatically after

www.programmingassignmentshelp.net

help@programmingassignmentshelp.net

certain time. Similarly the images that require successive editing should be stored in magnetic storage medium because it is easy and that is not wasting our money to be spent on purchasing storage media.

TASK 4 Digital images are all useful nowadays in so many fields for expression their ideas digitally with the help of digitally captured or artificially drawn images (Rafael and Gonzalez, 2005). People are coming more towards digital imaging for the availability of more and more techniques and tools in the field to express their ideas effectively. The expression of ideas through an image makes impact on 10 people whereas expression through text makes its impact on only one person. But to create a digital image with the help of this software a person needs clear knowledge with current updates on the tools (Caroline, 2010).

4.1 Own use of digital images in meeting the requirements Digital imaging was useful to me in the following ways 1.

2.

3.

4.

5.

Digital colour correction and quality enhancement of pictures was done with the help of Microsoft office picture manager.

Fantastic illustration required quality enhancement to two images and merging them together.

This is possible for me in the software Adobe Photoshop.

Layering and merging of image needed for fantastic illustration are also available in the software Adobe Photoshop.

Digitally created images are useful in modern arts and visual communication.

They are also useful in business by making fantastic, unbelievable advertisements through imaging and video editing software.

4.2 Others use of digital images in meeting specified purposes.

1.

2.

3.

4.

5.

6.

7.

Digital images are more popular in current visual communication field because it is capable of expressing thoughts and ideas visually and effectively. Success rate of visual communication is based on measuring comprehension by the audience only. It does not depend on predefined techniques, artistic preferences. So, everyone can make their own digital images and it does not require any university degrees or certificates.

Digital imaging are useful in modern advertising, modern art, modern cinema to create visually rich, good in content animations and images those are useful in arts and business (Rafael and Gonzalez, 2005).

Cartoonist and drawing artists are also started their walk towards digital imaging to look for newer opportunities of creation in their field.

Social service organizations are also using digital imaging to express their ideas through digitally created images to create greater impact on people. Already digital images are used in several social awareness programs such as HIV awareness programs, giving equality to third gender, and awareness of eye donation and so on.

Simply writing “Donate your eyes� on the wall and papers will not create any impact on people or it will create less impact only. But making it expressed through two or three pictures make its expression sound in the society.

In cultural and historical perspective, digital imaging is useful in creating illustrated picture of ancient epics and historical personalities and important scenarios in history that are not available as pictures but available as stories and assumptions.

In the medical field, digital imaging is useful in visualizing the inner parts of human body those cannot be seen directly or through other advanced tools. It can be created artificially by group of doctors and engineers and used to explain about the diseases to the patient and used to explain about human anatomy medical college students. [Read about CCL Website Implementation]

www.programmingassignmentshelp.net

help@programmingassignmentshelp.net

8.

Digital imaging is useful in expressing movement of planets and sub planets in the solar system and structure of protons, electrons, neutrons in atom to the students studying physics. Those components of atom cannot be seen with direct eyes and illusions created till now are only based on normal drawing.

9. Symbolization of important personalities and important scenes of our culture those are available as unwritten faith of stories can be expressed through illustration of pictures by digital imaging.

10. Graphs and maps are also expressed with the help of digital images with zooming, locating places, calculating distance facilities in digital maps. Example for this kind of digital system is google maps (Caroline, 2010). It allows people to go through a path where the path is updated to the client terminal with the help of GPS and digital imaging software. It also allows us to see the zoomed view of a particular place with the help of deep levels of digital images available in server database.

Read more about Computer Programming Assignments Help

Also read Web Designing using JSP Architecture.

References Rafael and Gonzalez (2005), “Digital image processing”, India: Prentice Hall.

Caroline (2010), “The top five types of digital image files” [online]. Available at: http://www.ivanexpert.com/blog/2010/05/the-5-types-of-digital-image-files-tiff-jpeg-gif-png-andraw-image-files-and-when-to-use-each-one/ [Accessed on 5th July 2014] Jeffrey Friedl (2006), “The colour spaces of digital imaging” [online]. Available at: http://regex.info/blog/photo-tech/color-spaces-page1 [Accessed on 5th July 2014] Still creek press (2011), “how to prepare files for output to a large format printer” [online]. Available at: http://regex.info/blog/photo-tech/color-spaces-page1 [Accessed on 5th July 2014]

Programming Assignments Help is the best assignment help provider in the United Kingdom.

Our online assignment writing help UK is especially dedicated for the students studying in all UK colleges and universities . Submit assignment to get the best quality assignment help.

www.programmingassignmentshelp.net

help@programmingassignmentshelp.net