Thursday, December 28, 2023

Image analysis

Image analysis

Visual communication contains image aspects. The interpretation of images is subjective and to understand the depth of meaning, or multiple meanings, communicated in an image requires image analysis. Images can be analyzed though many perspectives, for example these six major perspectives presented by Paul Martin Lester: Personal, Historical, Technical, Ethical, Cultural, and Critical.[13]

  • Personal perspective: When a viewer has an opinion about an image based on their personal thoughts. Personal response depends on the viewer's thoughts and values, individually. However, this might sometimes conflict with cultural values. Also when a viewer has viewed an image with a personal perspective, it is hard to change the view of the image on the viewer, even though the image can be seen in other ways.[13]
  • Historical perspective: An image's view can be arising from the history of the use of media. Through times sort images have been changed, because the use of different (new) media. For example: The result of using the computer to edit images (e.g. Photoshop) is quite different when comparing images that are made and edited by craft.[13]
  • Technical perspective: When the view of an image is influenced by the use of lights, position and the presentation of the image. The right use of light, position and presentation of the image can improve the view of the image. It makes the image looks better than the reality.[13]
  • Ethical perspective: From this perspective, the maker of the image, the viewer and the image itself must be responsible morally and ethically to the image. This perspective is also categorized in six categories: categorical imperative, utilitarianism, hedonism, golden mean, golden rule, and veil of ignorance.[13]
  • Cultural perspective: Symbolization is an important definition for this perspective. Cultural perspective involves identity of symbols. The uses of words that are related with the image, the use of heroes in the image, etc. are the symbolization of the image. The cultural perspective can also be seen as the semiotic perspective.[13]
  • Critical perspective: The view of images in the critical perspective is when the viewers criticize the images, but the critics have been made in interests of the society, although an individual makes the critics. This way this perspective differs from the personal perspective.[13]

Visual aid media: Simple to advanced

  • Chalkboard or whiteboard: Chalkboards and whiteboards are very useful visual aids, particularly when more advanced types of media are available. They are cheap and also allow for much flexibility.[14] The use of chalkboards or whiteboards is convenient, but they are not a perfect visual aid. Often, using this medium as an aid can create confusion or boredom. Particularly if a student who is not familiar with how to properly use visual aids attempts to draw on a board while they are speaking, they detract time and attention from their actual speech.[14]
  • Poster board: A poster is a very simple and easy visual aid. Posters can display charts, graphs, pictures, or illustrations. The biggest drawback of using a poster as a visual aid is that often a poster can appear unprofessional. Since a poster board paper is relatively flimsy, often the paper will bend or fall over. The best way to present a poster is to hang it up or tape it to a wall.[14]
  • Handouts: Handouts can also display charts, graphs, pictures, or illustrations. An important aspect of the use of a handout is that a person can keep a handout with them long after the presentation is over. This can help the person better remember what was discussed. Passing out handouts, however, can be extremely distracting. Once a handout is given out, it might potentially be difficult to bring back your audience's attention. The person who receives the handout might be tempted to read what is on the paper, which will keep them from listening to what the speaker is saying. If using a handout, the speaker distributes the hand out right before you reference it.[15] Distributing handouts is acceptable in a lecture that is an hour or two, but in a short lecture of five to ten minutes, a handout should not be used.[14]
  • Video excerpts: A video can be a great visual aid and attention grabber, however, a video is not a replacement for an actual speech. There are several potential drawbacks to playing a video during a speech or lecture. First, if a video is playing that includes audio, the speaker will not be able to talk. Also, if the video is very exciting and interesting, it can make what the speaker is saying appear boring and uninteresting. The key to showing a video during a presentation is to make sure to transition smoothly into the video and to only show very short clips.[14]
  • Projection equipment: There are several types of projectors. These include slide projectors, overhead projectors, and computer projectors. Slide projectors are the oldest form of projector, and are no longer used. Overhead projectors are still used but are somewhat inconvenient to use. In order to use an overhead projector, a transparency must be made of whatever is being projected onto the screen. This takes time and costs money. Computer projectors are the most technologically advanced projectors. When using a computer projector, pictures and slides are easily taken right from a computer either online or from a saved file and are blown up and shown on a large screen. Though computer projectors are technologically advanced, they are not always completely reliable because technological breakdowns are not uncommon of the computers of today.[14]
  • Computer-assisted presentations: Presentations through presentation software can be an extremely useful visual aid, especially for longer presentations. For five- to ten-minute presentations, it is probably not worth the time or effort to put together a deck of slides. For longer presentations, however, they can be a great way to keep the audience engaged and keep the speaker on track. A potential drawback of using them is that it usually takes a lot of time and energy to put together. There is also the possibility of a computer malfunction, which can mess up the flow of a presentation.[14]

Components

Components of visualization make communicating information more intriguing and compelling. The following components are the foundation for communicating visually. Hierarchy is an important principle because it assists the audience in processing the information by allowing them to follow through the visuals piece by piece. When having a focal point on a visual aid (i.e. Website, Social Media, Poster, etc...), it can serve as a starting point for the audience to guide them. In order to achieve hierarchy, we must take into account the other components: Color, Shape, Tones, Texture, Figure-Ground, Balance.[10]

Colors is the first and most important component when communicating through visuals. Colors displays an in-depth connection between emotions and experiences. Additive and subtractive color models help in visually communicating aesthetically please information.[10] Additive color model, also known as RGB color (Red, Green, Blue) goes from dark to light colors, while subtractive color model is the opposite. The subtractive color model includes the primary CMYK colors (Cyan, Magenta, Yellow, Black) which go from light to dark.[16] Shape is the next fundamental component that assists in creating a symbol that builds a connection with the audience. There are two categories that shapes can fall under: Organic or Biomorphic shapes, and Geometric or Rectilinear shapes. Organic or biomorphic shapes are shapes that depict natural materials (which include curvy lines), while Geometric or Rectilinear shapes are shapes that are created by man (including triangles, rectangles, ovals, and circles).[10]

Tone refers to the difference of color intensity, meaning more light or dark. The purpose of achieving a certain tone is to put a spotlight on a graphical presentation and emphasize the information. Similarly, texture can enhance the viewers optics and creates a more personal feel compared to a corporate feel. Texture refers to the surface of an object, whether is it 2-D or 3-D, that can amplify a user's content.[10]

Figure-ground is the relationship between a figure and the background. In other words, it is the relationship between shapes, objects, types, etc. and the space it is in. We can look at figure as the positive space, and ground as the negative space. In comparison, positive space is the objects that hold dominance visually, while negative space (as mentioned previously) is the background. In addition to creating a strong contrast in color, texture, and tone, figure-ground can highlight different figures. As for balance, it is important to have symmetrical or asymmetrical balance in visual communication. Symmetrical balance holds a stable composition and is proper in conveying informative visual communication. As for asymmetrical balance, the balance of visuals is weighted more to one side. For instance, color is more weighted to one color than the other, while in a symmetrical balance all colors are equally weighted.[10]

Visual Literacy

Studies often define visual literacy (or visual competence) as the ability to understand and process what is being seen in order to make sense of the world. Being visually literate has been shown to be an important aspect of life to those with sight. The function of sight itself has mechanisms that must work together in order to transform the lines, shapes, and colors around a person's environment into a cohesive picture that can then hold meaning.[17] These mechanisms are what occur in the human body that allow a person's eye to make sense of what the viewer sees and then the signals that are sent to relay information to their brain to be processed. However, studies conducted state that visual intelligence is not something that is taught but rather observed. It is also noted within this study that this skill often goes unnoticed until it is impaired. This act of processing what is being seen has been shown to happen quickly and oftentimes without the viewer's cognizant awareness.[18]

The effect visual literacy has on a viewer has also been shown to influence aspects of their life such as, attitudes, values, beliefs, as well as cultural views.[19] Scholars have noted how society and culture is often dominated by imagery, especially with the rise of mass technological media. The dominance of visuals in culture such as film, television and social media, have now been used by various companies for their advertisements.[20] Presidential and political candidates have also turned to the media to visually promote their campaigns. With many of these advertisements present in everyday life, the viewers of this content may often be open to influence without being cognizant of it.[18]

Study Of Symbols

Semiotics

Semiotics is the study of signs and visuals within society that relay meaning. The symbols used in different cultures to convey a meaning also entails the hidden systems and functions that make up the symbols. Logos, gestures, and technological signs such as emoticons, are a few examples of symbols used in culture.[21]

Semiology

The term semiology is the study of signs and symbols and their arrangements as a visual language. The characterization of what is considered a language is the existence of an alphabet that can be arranged to create meaning. An example of signs, or an alphabet, that can be arranged to create meaning are the 26 letters that make up the Modern English Alphabet which can then be used to compose written messages that can then be relayed orally. However, in semiology, the signs that create the alphabet of visual communication are more abstract than a written or verbal languages alphabet. In comparison to the English Alphabet, the visual alphabet is still being studied due to the various channels that may be used to relay visuals. Components of a still graphic compared to film, for instance.[22] Another category of study within the field of semiotics is how the interpretation of visual signs depends on the experiences of the person interpreting the visual components of symbols, commonly referred to as the interpretant.[23]

Theory Of Semiotics

Collectively, the study of visual imagery and gestures as a language has two major schools of thought. The contributors who are commonly referred to are; Charles Sanders Peirce and his descendants and Ferdinand de Saussure. Peirce's school of thought is the meaning that the interpreter assigns to a particular sign instead of the study of the sign itself. His work focuses on the pragmatics, semantics, and structure of a symbol in visual communication.[21] Saussure, however, focused primarily on the structure and value of a sign and its relation to other symbols within the language system. The school of thought that Saussure curated contributed to the rise of structuralism as well as later theories developed by various scholars in the field of communication.[23]

Prominence and motive

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