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We report the first results of a light weakly interacting massive particles (WIMPs) search from the CDEX-10 experiment with a 10 kg germanium detector array immersed in liquid nitrogen at the China Jinping Underground Laboratory with a physics data size of 102.8 kg day. At an analysis threshold of 160 eVee, improved limits of 8×10^{-42} and 3×10^{-36}  cm^{2} at a 90% confidence level on spin-independent and spin-dependent WIMP-nucleon cross sections, respectively, at a WIMP mass (m_{χ}) of 5  GeV/c^{2} are achieved. The lower reach of m_{χ} is extended to 2  GeV/c^{2}.

We propose a novel linear method to match cuboids in indoor scenes using RGBD images from Kinect. Beyond depth maps, these cuboids reveal important structures of a scene. Instead of directly fitting cuboids to 3D data, we first construct cuboid candidates using superpixel pairs on a RGBD image, and then we optimize the configuration of the cuboids to satisfy the global structure constraints. The optimal configuration has low local matching costs, small object intersection and occlusion, and the cuboids tend to project to a large region in the image; the number of cuboids is optimized simultaneously. We formulate the multiple cuboid matching problem as a mixed integer linear program and solve the optimization efficiently with a branch and bound method. The optimization guarantees the global optimal solution. Our experiments on the Kinect RGBD images of a variety of indoor scenes show that our proposed method is efficient, accurate and robust against object appearance variations, occlusions and strong clutter.

This paper presents an experimental study of measuring and comparing design cognition while using different concept generation creativity techniques in a collaborative engineering design setting. Eleven design teams were given the same three design tasks, respectively, using an unstructured concept generation technique (brainstorming), a partially structured technique (morphological analysis), and a structured technique (TRIZ). A protocol analysis was carried out using the functionbehavior -structure ontologically based coding scheme. This study showed that the students' design cognition was affected by the degree of structuredness of the concept generation creativity techniques they applied in their designing. The more structured a concept generation creativity technique is, the more likely that designers using this technique tend to focus more on problem-related aspects of designing, i.e., design goals and requirements. Results also indicate that the influence of the structuredness of concept generation creativity techniques mainly affects the early parts of the designing process, and differences between different design conditions exhibit an overall commonality of designing.

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