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The unstructured road detection plays a key role in an autonomous vehicle navigation system. However, the unstructured road images often contain shadows and are easily affected by ambient light, resulting to an inaccuracy with road detection. A robust road detection technique is required. In this paper, we adopted an improved fuzzy c-means(FCM) clustering algorithm to address these issues. The new...
In this paper, a novel Chinese character localization method is proposed for texts in advertising images. To deal with the texts with gradient color, a color clustering method based on edge is introduced to separate the color image into homogeneous color layers. To solve the problem of locating characters varied in size, style and arranged in irregular direction, a novel character localization method...
It has been a challenge to locate character in flash due to the variations of character in size, color and style. Besides, multilingual text in flash brings more difficulties to character localization. In this paper, a novel character localization method based on connected component analysis is proposed for locating character in flash. The proposed method first clusters the color to separate the color...
Most volume renderings in medical application today employ one-dimensional transfer functions, which assign color and opacity to samples solely on their intensity value. The method is not effective when it is used on volumes that contain different materials sharing some common value range. The current method using multi-dimensional transfer function based on the introduction of gradient magnitude...
A fast image in painting method based on hybrid similarity-distance is proposed in this paper. In Criminisi et al.'s work, similarity distance are not reliable enough in many cases and the algorithm performs inefficiently. To solve these problems, we propose a new searching strategy to accelerate the algorithm. In addition, we modify the confidence-updating rule to make more reasonable the distributions...
The hexagonal-hole grid flocculation system is very efficient to deal with high turbidity water of 850 NTU and the color of 2300 PCU. The best conditions are determined through adjusting grid arrangements, concentration and dosage of flocculating agent. When the water velocity of flow is 100 L/h, the grid 2, 1, 3 module order is the best one. The water turbidity decreased to 19.5 NTU and color to...
This paper proposes a method to combine the digital images and Laser point clouds to reconstruct the 3D model of the archaic glockenspiel. All the stations of the Laser point clouds are connected according to the ICP arithmetic. Then image matching is used to register the high resolution digital images and the Laser synchronous images to gain the corresponding texture of the Laser point clouds. Finally,...
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