Super- and hypersonic flow around aircraft elements is accompanied by the formation of a complex structure, which characterized presence strong shock waves, rarefaction contact discontinuities, separation reattachment flow. For such problems, interaction waves with viscous boundary layers characteristic. Such quite largely determines effectiveness aircraft. When flowing structures their power p...

PURPOSE Tension band wiring is commonly used for fixation of simple transverse fractures. The popular configuration is parallel Kirschner wires (K-wires) and a stainless steel wire loop placed in a vertically oriented figure-of-8. METHODS We used a wooden model of a patella with a midway transverse fracture and compared four different types of fixation. The first construct had a vertical figu...

A triangulated surface S with V vertices is sometimes stored as a list of T independen floating-point coordinates of its vertices. This representation requires about 576 information regarding the adjacency between neighboring triangles or vertices. A va structures may be derived from such a representation in order to make explicit the relations between triangles, edges, and vertices. These rela...

Midcarpal arthrodesis has been a treatment of choice in the last decade for scapholunate advanced collapse and related conditions of the wrist. In this study, we present a new uncomplicated technique in which a 3-corner intercarpal fusion is done with screw fixation from a volar approach. The advantages of this technique include simplified excision of the scaphoid, radial styloidectomy, and str...

In this paper, we present fast algorithms on mining coevolving time series, with or with out missing values. Our algorithms could mine meaningful patterns effectively and efficiently. With those patterns, our algorithms can do forecasting, compression, and segmentation. Furthermore, we apply our algorithm to solve practical problems including occlusions in motion capture, and generating natural...

JPEG compression introduces a number of well known artifacts including blocking and ringing. We describe a lesser known or understood artifact consisting of a slightly darker or lighter pixel in the corner of 8×8 pixel blocks. This artifact is introduced by the directed rounding of DCT coefficients. In particular, we show that DCT coefficients that are uniformly rounded down or up (but not to t...

We present a corner-detection algorithm based on a model for end-stopping cells in the visual cortex. Shortcomings of this model are overcome by a combination over several scales. The notion of an end-stopped cell and the resulting corner detector is generalized to color channels in a biologically plausible way. The resulting corner detection method yields good results in the presence of high f...