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Shadow removal from a single image is a challenging problem, whose solution is proposed in this paper using 3D intensity surface modeling. Due to the high-order textural content in the original images, a direct modeling of the intensity surface of shadow image is difficult. In this paper, image decomposition technology is used as an edge-preserving filter to remove the textural detail while keeping...
Surface polishing is a crucial final process of many manufactured parts. Presently, the process is heavily dependent on the skill of the trained workers and hence, is time consuming, expensive, error-prone and environmentally unfriendly. This paper presents a force controlled flexible robot polishing system utilizing a specially designed active end effector with a multi-step path planning. The main...
Sheet Metal Bending is a common process used in many heavy industry sectors such as shipbuilding. The traditional method is the so-called line heating, which is not only labor intensive but also inefficient and error-prone. This paper presents a new incremental bending method based on minimum energy principle. In this method, the steel blank is supported by an array of hydraulic cylinders with rotary...
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