Openability of tamperproof packaging

Communication, product protection and presentation are three key aspects in the world of packaging nowadays. Due to a retail landscape consisting of large stores, displaying packed products on the shelves in self-service environments, these aspects become increasingly important, not only for Fast Moving Consumer Goods, but for consumer durables...

Matching Representation to Perception

Real-time measurement of perceptual qualities in conceptual design

Implications of design decisions are hard to oversee for designers. This is the case in particular with respect to decisions, which influence perception related qualities of designs. Such qualities are for example visual openness, visual privacy, and spatial intimacy. They are difficult to measure because of their subjective and soft nature....

Recognizing architectural representations

Pictorial relief for equiluminant images

Pictorial relief depends strongly on “cues” in the image. For isoluminant renderings some cues are missing, namely all information that is related to luminance contrast (e.g., shading, atmospheric perspective). It has been suggested that spatial discrimination and especially pictorial space suffer badly in isoluminant conditions. We have...

Human perception of geometric distortions in images

We present in this paper the results of our study on the human perception of geometric distortions in images. The ultimate goal of this study is to devise an objective measurement scheme for geometric distortions in images, which should have a good correspondence to human perception of the distortions. The study is divided into two parts. The...

Perception Aspects in Underground Spaces using Intelligent Knowledge Modeling

Theory of barrier crossing

Sketches of Creative Discovery - A Psycological Inquiry into the Role of Imagery and Sketching in Creative Discovery

Pilot's perception and control of aircraft motions

The environment provides the reference frame for self-motion perception