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    • 43. 发明申请
    • High quality volume rendering with graphics processing unit
    • 具有图形处理单元的高品质体积渲染
    • US20080317321A1
    • 2008-12-25
    • US11821996
    • 2007-06-25
    • Hui ZhangBai WangDongshan Fu
    • Hui ZhangBai WangDongshan Fu
    • G06K9/00G06F15/16
    • G06T15/08
    • A technique for generating DRR (digitally reconstructed radiography) images includes dividing sample points along a ray trajectory through a 3-dimensional dataset of attenuation values into stages. Each of the stages includes a plurality of the sample points. The attenuation values are summed along the ray trajectory for each of the sample points. Intermediate summation values are computed for each of the stages along the ray trajectory and for each of the stages the attenuation values summed within a given stage are summed with a previous stage intermediate summation value calculated for a stage previous to the given stage to generate a given stage intermediate summation value. A final accumulation value being representative of a total attenuation summed along the ray trajectory is calculated.
    • 用于产生DRR(数字重建放射线照相)图像的技术包括沿着射线轨迹通过三维衰减值数据集将采样点分成阶段。 每个级包括多个采样点。 衰减值沿着每个采样点的射线轨迹相加。 对于沿着射线轨迹的每个级计算中和求和值,并且对于每个级,在给定级中求和的衰减值与针对给定级之前的级计算的先前级中间求和值相加以生成给定的 阶段中间求和值。 计算代表沿着射线轨迹求和的总衰减的最终累加值。
    • 44. 发明申请
    • Sweetening Compositions
    • 甜味组合
    • US20080299277A1
    • 2008-12-04
    • US12130343
    • 2008-05-30
    • Yaohai ChaoXiaojian YeHui Zhang
    • Yaohai ChaoXiaojian YeHui Zhang
    • A23L1/236A23L1/09
    • A23L27/37A23V2002/00A23V2250/264
    • This disclosure relates to sweetening compositions that include (1) at least a sweetener selected from the group consisting of sucralose, acesulfame potassium, saccharin, aspartame, a stevia extract, neotame, cyclamate, a Luo Han Guo extract, a polyol, and a mixture thereof; (2) at least a preservative selected from the group consisting of potassium sorbate, sodium sorbate, sodium benzoate, potassium benzoate, methyl gallate, propyl gallate, sodium ethylenediaminetetraacetate, methyl paraben, propyl paraben, and a mixture thereof; and (3) at least an acid selected from the group consisting of citric acid, succinic acid, lactic acid, propionic acid, tartaric acid, tannic acid, phosphoric acid, adipic acid, malic acid, acetic acid, gluconic acid, ascorbic acid, and a mixture thereof.
    • 本公开涉及甜味组合物,其包含(1)至少一种选自三氯半乳蔗糖,乙酰磺胺酸钾,糖精,阿斯巴甜,甜叶菊提取物,neotame,环己烷氨基磺酸酯,罗汉果提取物,多元醇和混合物的甜味剂 的; (2)至少一种选自山梨酸钾,山梨酸钾,苯甲酸钠,苯甲酸钾,没食子酸甲酯,没食子酸丙酯,乙二胺四乙酸钠,对羟基苯甲酸甲酯,对羟基苯甲酸丙酯及其混合物的防腐剂; 和(3)至少一种选自柠檬酸,琥珀酸,乳酸,丙酸,酒石酸,鞣酸,磷酸,己二酸,苹果酸,乙酸,葡糖酸,抗坏血酸, 及其混合物。
    • 47. 发明申请
    • Apparatus, method, and medium for processing image
    • 用于处理图像的装置,方法和介质
    • US20080170804A1
    • 2008-07-17
    • US11902495
    • 2007-09-21
    • Hui ZhangKaun-Ho KimDo-kyoon Kim
    • Hui ZhangKaun-Ho KimDo-kyoon Kim
    • G06K9/36
    • G06T3/4038G06K9/32G06K2009/2045H04N5/23238
    • Provided are an apparatus, method, and medium for processing an image. In the apparatus, at least one image selected from images to be stitched so as to make colors of overlapped sections of the images as identical with each other as possible and operating again in response to a re-alignment signal, and an image correction unit generating the re-alignment signal after correcting a color of at least a part of the overlapped sections as a result of the shifting of the at least one image in consideration of colors of the overlapped sections Then the shifting of the image is repeated. Therefore, even when the overlapped sections of the images are not identical in color, the overlapped sections of the images can be precisely aligned when the images are stitched for forming a panoramic image, thereby making the panoramic image more accurate.
    • 提供了用于处理图像的装置,方法和介质。 在该装置中,选择要被缝合的图像中的至少一个图像使图像的重叠部分的颜色尽可能相同并且响应于重新对准信号再次操作;以及图像校正单元,其生成 考虑到重叠部分的颜色,至少一个图像的移位的结果,校正重叠部分的至少一部分的颜色之后的重新对准信号。 然后重复图像的移动。 因此,即使当图像的重叠部分的颜色不同时,当缝合图像以形成全景图像时,可以精确对准图像的重叠部分,从而使全景图像更准确。
    • 49. 发明申请
    • Apparatus, method, and medium for generating panoramic image
    • 用于产生全景图像的装置,方法和介质
    • US20080074489A1
    • 2008-03-27
    • US11902648
    • 2007-09-24
    • Hui ZhangKeun-ho KimDo-kyoon Kim
    • Hui ZhangKeun-ho KimDo-kyoon Kim
    • H04N7/18
    • G06T3/4038
    • Provided are an apparatus, method, and medium for generating a panoramic image. In the apparatus, a previously captured image and a currently captured image are projected onto a predetermined curved surface so as to form a first mapping image and a second mapping image, respectively. Movement values in predetermined directions are calculated for maximizing a color similarity between overlapped sections of the first and second mapping images. A panoramic image is generated using the first and second mapping images and the calculated movement values. Therefore, overlapped sections of neighboring images can be precisely superposed and aligned when a panoramic image is generated using a series of images.
    • 提供了用于生成全景图像的装置,方法和介质。 在该装置中,将先前拍摄的图像和当前拍摄的图像投影到预定的曲面上,以分别形成第一映射图像和第二映射图像。 为了最大化第一和第二映射图像的重叠部分之间的颜色相似度,计算预定方向的运动值。 使用第一和第二映射图像和所计算的移动值来生成全景图像。 因此,当使用一系列图像生成全景图像时,相邻图像的重叠部分可以精确地重叠和对准。
    • 50. 发明授权
    • Nano-scale magnetic solid base catalyst and its preparation method
    • 纳米磁性固体碱催化剂及其制备方法
    • US07247598B2
    • 2007-07-24
    • US11040408
    • 2005-01-21
    • Xue DuanHui ZhangRong Qi
    • Xue DuanHui ZhangRong Qi
    • B01J23/00
    • B01J37/03B01J23/002B01J23/74B01J35/0013B01J35/0033B01J37/0036B01J2523/00Y10S502/524Y10T428/2993B01J2523/22B01J2523/31B01J2523/842B01J2523/847B01J2523/27
    • This invention describes a nano-scale magnetic solid base catalyst and its preparation method. The catalyst involves a magnetic core coated with a solid base active layer. The synthesis of the nano-scale magnetic cores was first carried out using a rapid nucleation method in a colloid mill reactor using a liquid-liquid reaction. The nano-scale magnetic cores were mixed with a mixed salt solution. The LDH-containing magnetic cores were prepared in a colloid mill reactor by a rapid nucleation method, and subsequently calcined to give a solid base mixed oxides coated on magnetic cores. The characteristics of this catalyst are: nano-scale, high surface area and high activity and selectivity in base-catalyzed reactions. The highly dispersed catalyst can be easily reclaimed using an external magnetic field because of its magnetism. The catalyst can be utilized in base catalysis in organic reactions such as glycol ether synthesis, ester exchange, aldol condensation, etc.
    • 本发明描述了一种纳米级磁性固体碱催化剂及其制备方法。 催化剂包括涂覆有固体碱性活性层的磁芯。 首先使用液 - 液反应在胶体磨反应器中使用快速成核法进行纳米级磁芯的合成。 将纳米级磁芯与混合盐溶液混合。 通过快速成核法在胶体磨反应器中制备含LDH的磁芯,随后煅烧,得到涂覆在磁芯上的固体基础混合氧化物。 该催化剂的特征是:纳米级,高表面积,碱催化反应中的高活性和选择性。 高度分散的催化剂由于其磁性而可以使用外部磁场容易地回收。 催化剂可用于有机反应的碱催化,如二醇醚合成,酯交换,醛醇缩合等。