منابع مشابه
Distinguishing paintings from photographs
We addressed the problem of automatically differentiating photographs of real scenes from photographs of paintings. We found that photographs differ from paintings in their color, edge, and texture properties. Based on these features, we trained and tested a classifier on a database of 6000 paintings and 6000 photographs. Using single features results in 70–80% correct discrimination performanc...
متن کاملTexture Synthesis From Photographs
The goal of texture synthesis is to generate an arbitrarily large high-quality texture from a small input sample. Generally, it is assumed that the input image is given as a flat, square piece of texture, thus it has to be carefully prepared from a picture taken under ideal conditions. Instead we would like to extract the input texture from any surface from within an arbitrary photograph. This ...
متن کاملNUROP – Modeling from Photographs
In many areas, we need a virtual representation of our real world surroundings. However, reconstructing a model of an actual scene is usually a tedious process. In this report, we explore a novel workflow for architectural model reconstruction from photographs. We keep the interaction with our system at a 2D level to reduce the complexity of our user interaction using a mesh-grid that the user ...
متن کاملTruck Detection from Aerial Photographs
This paper presents a method for extraction and recognition of trucks from aerial photographs. A new method, mean shift image segmentation, is employed to extract truck shadow and boundary information. After a conversion of the boundaries into vector data, an enclosing minimum area rectangle is fit to each boundary. These rectangles are input as candidates into a designed Hopfield Neural Networ...
متن کاملCubist Style Rendering from Photographs
The contribution of this paper is a novel nonphotorealistic rendering (NPR) technique, influenced by the style of Cubist art. Specifically we are motivated by artists such as Picasso and Braque, who produced art work by composing elements of a scene taken from multiple points of view; paradoxically such compositions convey a sense of motion without assuming temporal dependence between views. Ou...
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ژورنال
عنوان ژورنال: The Iowa Review
سال: 2004
ISSN: 0021-065X,2330-0361
DOI: 10.17077/0021-065x.5881