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地质与地球物理研究所 [2]
长春光学精密机械与物... [2]
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遥感与数字地球研究所 [1]
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OAI收割 [7]
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会议论文 [5]
期刊论文 [2]
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2012 [1]
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2000 [2]
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Color filtering method for CFA images based on gradient (EI CONFERENCE)
会议论文
OAI收割
International Conference on Communication Systems and Network Technologies, CSNT 2012, May 11, 2012 - May 13, 2012, Rajkot, Gujrat, India
作者:
Wang Y.
;
Wang Y.
;
Wang Y.
;
Wang Y.
;
Wang Y.
收藏
  |  
浏览/下载:34/0
  |  
提交时间:2013/03/25
Single-sensor digital cameras capture image by covering the sensor surface with a color filter array(CFA) such that each sensor pixel only samples one of three primary color values
three color is R(red)
G(green) and B(blue). To render a full-color image
need an interpolation process commonly referred to as CFA demosaicking
is required to estimate the other two contributions for producing a full-color image. But
the noise in imaging sensors not only corrupts the color filter array
at the same time introduces artifacts during the color interpolation step and influence quality of images. In order to acquire high quality full-color images
adopt a sort of viable and effective interpolation algorithm based on gradient
at the time of removing the noise
reserve image border and detail information clearly. 2012 IEEE.
Analysis of zenith pass problem in a roll-pitch optics seeker (EI CONFERENCE)
会议论文
OAI收割
2011 International Conference on Electronics and Optoelectronics, ICEOE 2011, July 29, 2011 - July 31, 2011, Dalian, China
作者:
Jiang H.
收藏
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浏览/下载:31/0
  |  
提交时间:2013/03/25
There are mainly two kind of structures for a missile two-axes seeker
which is always mentioned as elevate-azimuth and roll-pitch. The elevate-azimuth structured seeker has been studied for a long time
and it is applied in all sort of missiles. Not only structure design but also control algorithm of the elevate-azimuth seeker are deeply developed. But for elevate-azimuth seeker there are several disadvantages such as big size and large abaxial angle blind. So the elevate-azimuth seeker gimbal angle is designed up to 65 according to relative references. In modern air war
it is important for a missile to have the ability of "first recognize" and "first attack". That means the air to air missile seeker is required to be a system with large gimbal angle and large abaxial launch angle. With the mentioned requirement
roll-pitch seeker with its advantages smart size and large gimbal angle is studied widely and deeply. The pitch angle of roll-pitch is up to 90 while its roll angle up to n 360. But there are also some disadvantages for the roll-pitch seeker
the most troublesome one is the zenith pass problem. The zenith pass problem is brought about from the gimbal kinematics
it is said that when target moves in the center of image plane
roll servo command gotten from the kinematics algorithm will go to infinite. Math model of zenith pass problem is proposed in this paper and two ways to solve the problem are brought forward. 2011 IEEE.
multi-layer depth peeling via fragment sort
会议论文
OAI收割
11th International Conference on Computer-Aided Design and Computer Graphics, Yellow Mountain City, PEOPLES R CHINA, AUG 19-21,
Liu Baoquan
;
Wei Li-Yi
;
Xu Ying-Qing
;
Wu Enhua
  |  
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2011/03/20
GPU
MRT
RGBA8 color precision
fragment sort program
graphics hardware
multilayer accelerated depth peeling algorithm
multiple fragment color
multiple fragment depth
order-independent transparency scene rendering
transparency ordering
transparent geometry
transparent pixel
unreliable parallel read-after-write behavior
colour graphics
computational geometry
rendering (computer graphics)
sorting
generating algorithms plus loop invariants by formal derivation
会议论文
OAI收割
7th IEEE/ACIS International Conference on Computer and Information Science in Conjunction with 2nd IEEE/ACIS International Workshop on e-Activity, Portland, OR, MAY 14-16,
Shi Haihe
;
Du Dawei
;
Xue Jinyun
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收藏
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浏览/下载:16/0
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提交时间:2011/06/13
MergeSort algorithm
formal development process
formal specification
insertion sort
loop invariant
nonrecursive algorithmic solution
provably correct algorithmic program
program control structures
program verification
sorting
Coherent simulation of high resolution SAR natural terrain scene image - art. no. 678723
会议论文
OAI收割
Mippr 2007: Multispectral Image Processing, Bellingham
Wang, Qian
;
Zhang, Hong
;
Wang, Chao
;
Tang, YiXian
收藏
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浏览/下载:13/0
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提交时间:2014/12/07
natural terrain scene
coherent SAR image simulation
Lindenmayor
Systems (L-systems)
Bin Sort Algorithm
3-D ray tracing method based on graphic structure
期刊论文
OAI收割
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2000, 卷号: 43, 期号: 4, 页码: 534-541
作者:
Wang, H
;
Chang, X
  |  
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2018/09/26
ray tracing
shortest ray path
line algorithm
sort algorithm
node configuration
velocity interface
3-D ray tracing method based on graphic structure
期刊论文
OAI收割
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2000, 卷号: 43, 期号: 4, 页码: 534-541
作者:
Wang, H
;
Chang, X
  |  
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2018/09/26
ray tracing
shortest ray path
line algorithm
sort algorithm
node configuration
velocity interface