This study aims to examine how greyscale affects the screen time on smartphones and in what way it influences the user experience on the social media applications Facebook and Instagram. The use of social media applications is constantly increasing which has resulted in negative effects like difficulties with concentration and attention among individuals. Color can be used to make objects salient and draw attention to it. Color can also be used to affect the user experience through aesthetic aspects and the feelings that are connected to the interface. How greyscale affects the screen time on social media was investigated through a quantitative experiment that measured the screen time of the participants. The experiment was followed by an interview with the purpose to examine the participants’ user experience of the interface in greyscale with focus on aesthetic, emotional and functional aspects. The results show that color has importance for the way users are using social media, how long they tend to use the applications and that the screen time is reduced significantly when social media are used on a smartphone in greyscale. Further, the results also indicate that the user experience is affected by the absence of color. Aesthetic and emotional factors were the most affected by the change to greyscale. Functional factors were also affected by the removal of the colors on the interface, but not to the same extent, as the participants already knew how to use the applications.

Head-up displays convey important information to the viewer: from time and weather conditions to GPS navigation and proactive danger alerts. This information can be key to significantly improving driving experience from merely making it more enjoyable to saving lives. Taking its roots in the military field,  Augmented Reality Head-Up Displays (AR HUD) is now being piloted and commercialised for upper-class consumers, such as the new Mercedes S-Class. It is easy to imagine how companies would want to take the next step and make these technologies even more accessible. However, one of the main challenges of diffusing these solutions lie within flaws of its visual design that can be perceived as distracting or exhausting. The purpose of this article has been to investigate the perception drivers have on AR HUDs aesthetic design and identify three areas for improvement: "style-cleaningness", flexible colour scheme and optimal positioning. This has been done through interviews and analysing the answers. Together with the answers and related research I have drawn conclusions and made suggestions of improvement. The results indicate a positive opinion of the technology and the potential it has for driver safety.

The subject of the thesis is a series of paintings. It is based on painting concept of drapery. The history of art is accompanied by drapery almost from the beginning. I´m interested in the variety of aproaches, once the drapery supports the meaning of the painting, once it is the main object of the paintwork. My intention is to paint a series of pantings, which will follow and complement the historic aproach.

Studien har genomförts för att undersöka hur barn väljer leksaker, om det är färg, utseende eller funktion som har en betydande roll i deras val av leksaker. Studien är relevant i tiden då vi lever i ett samhälle som till stor del är uppdelat utifrån könsstereotypa mönster. Tidigare forskning nämner barns olika färgval. Vidare diskuterar tidigare forskning barns leksaksval och vad som ligger till grund för dessa. Studien använder sig av teorin socialkonstruktivismen och perspektivet genusperspektivet. I studien behandlas begreppen genus, könsstereotypa mönster, könsneutralitet samt feminin och maskulin.Empirin har samlats in genom barnsamtal med 21 barn i åldrarna tre till fem år på två olika förskolor i sydöstra Sverige. Under intervjuerna användes förbestämda frågor samt riktiga leksaker som barnen kunde titta och känna på. Resultatet i studien visar att majoriteten av flickor väljer utifrån leksakens färg och utseende, medan de flesta pojkar väljer leksaker utifrån dess funktion. Barnens motiveringar till deras val av leksak kan till största del kopplas till könsstereotypa mönster vad gäller färg, utseende och funktion. Vart dessa föreställningar kommer ifrån är svårt att säga då barnet kan ha påverkats både från hemmet, förskolan eller samhället.

An investigation was done on the methods used by performers of classical flute music to improve their flute tone. A literature study was done and a methodology created. This resulted in detailed dissection and then discussion of the various aspects that influence flute tone. Thereafter a series of practice charts were developed, which can be used to guide performers, students and teachers in their experiment to improve and diversify flute tone. The key areas of flute tone that were examined are: embouchure, lip flexibility, vibrato and tone colour. It has been found that different methods work for different people to improve their flute tone, and therefore personal experimentation is necessary in order to achieve the required tone, which also depends on personal taste. / Dissertation (MMus (Performing Art))--University of Pretoria, 2006. / Music / MMus / unrestricted

This is a single-storied building of 1025 square metres space and with an accessible roof through a footbridge designed even for disabled. It is implanted into the entrance zone of green in front of the ecological paper-mill. The presentation and exhibition pavillion should be an extraordinary and reprezentativ object. The building will be placed among green and it aspires to exist in harmony with it. Thus it behaves as its‘ component. Concept is based on an idea of cellulose threads, which is primary structure of an organic stuff. „The threads“ form a supporting structure and determine the platform. The glass facade and even the interior come through three colours, that present the paper making process and even carry an aesthetic benefit. The facade systems utilize energy – they react to the Sun and air movement and even they compose an ornament.

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Embodied cognition is the study of how actions and interactions with objects and individuals affect cognitive processing. Neuroaesthetics deals with the neural, biological and evolutionary aspects of aesthetic experience which occur through the senses and consist of the emotional value placed onto objects, for example the appreciation of art work, dance, or music. These are individual and differ depending on level of expertise and experience within the art. The main aim of the thesis was to investigate the link between embodiment and aesthetics through examining people’s level of creativity, colour perception and sensory processing sensitivity (SPS) in relation to levels of empathy and theory of mind (ToM). Research into this is sparse as the role of the body in relation to aesthetic experiences is a relatively new concept. Preference for portraits versus landscapes was also investigated to look at any role of social stimuli in aesthetic preference. Results demonstrate that participants with (i) higher levels of creativity (for some types of creativity) and (ii) more acute colour perception had higher levels of empathy/ToM. Individuals who had higher SPS demonstrated higher empathy/ToM. It was also found that colour perception and empathy levels decrease with age, and aesthetic preference for portraits increase with age. These results have implications for education/schools, the prison service, for specific clinical conditions such as autism, Parkinson’s disease, schizophrenia, and attention deficit/hyperactivity disorder, particularly given the role of dopamine in these disorders and in colour perception. Future research should investigate these findings using brain imaging and physiological measures.

The tremendous spreading of multimedia via Internet motivates the watermarking as a new promising technology for copyright protection. This work is concerned with the design and development of novel algorithms in the spatial and transform domains for robust and secure watermarking of coloured images. These algorithms are adaptive, content-dependent and compatible with the Human Visual System (HVS). The host channels have the ability to host a large information payload. Furthermore, it has enough capacity to accept multiple watermarks. Abstract This work achieves several contributions in the area of coloured images watermarking. The most challenging problem is to get a robust algorithm that can overcome geometric attacks, which is solved in this work. Also, the search for a very secure algorithm has been achieved via using double secret keys. In addition, the problem of multiple claims of ownership is solved here using an unusual approach. Furthermore, this work differentiates between terms, which are usually confusing the researchers and lead to misunderstanding in most of the previous algorithms. One of the drawbacks in most of the previous algorithms is that the watermark consists of a small numbers of bits without strict meaning. This work overcomes this weakness III in using meaningful images and text with large amounts of data. Contrary to what is found in literature, this work shows that the green-channel is better than the blue-channel to host the watermarks. A more general and comprehensive test bed besides a broad band of performance evaluation is used to fairly judge the algorithms.

The aim of this thesis was to investigate how visual information is organised in perceptual short term memory, with special interest in colour, spatial frequency and velocity. Previous studies of VSTM have indicated the existence of specific memory mechanisms for visual attributes such as orientation, spatial frequency, velocity, contrast and colour. The retention of information in visual short term memory for these basic visual attributes can be disrupted by the presentation of masking stimuli during inter-stimulus intervals (ISIs), which are outside the range of traditional sensory masking. We exploited this memory masking effect in order to examine the organisation of visual information in VSTM. Four groups of experiments were conducted in which participants carried out a delayed discrimination paradigm that employed a two-alternative forced choice (2-AFC) procedure in conjunction with a method of constant stimuli. The fidelity of VSTM was measured by performance markers such as discrimination thresholds and point of subjective equalities. We have found selective memory masking effects, which serve as further evidence in favour of the modular organisation in VSTM, namely, that human visual perceptual memory is based upon multiple, tuned channels in case of colour, spatial frequency and speed, similar to those found in the earliest stages of visual processing for spatial frequency. Moreover, each of these storage mechanisms are tuned to a relatively narrow range of stimulus parameters that are closely linked to visual discrimination mechanisms. These findings add further support to the view that low-level sensory processing mechanisms form the basis for the retention of colour, spatial frequency and velocity information in perceptual memory. We also found evidence for the broad range of transfer of memory masking effects across spatial location, which indicates more long range, long duration interactions between channels that are likely to rely upon contributions from neural processes located in higher visual areas. In conclusion, the experiments presented in this thesis provide significant insight into the organization of visual information in perceptual short term memory. / Federation of Ophthalmic and Dispensing Opticians