亮度誤差 的英文怎麼說
中文拼音 [liàngdùwùchā]
亮度誤差
英文
brightness error- 亮 : Ⅰ形容詞1 (光線強; 明亮) bright; light 2 (聲音強; 響亮) loud and clear; resounding 3 (開朗; ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 誤 : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 誤差 : error
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There is plenty of stitching algorithm by far, but they have some common disadvantages such as bad precision, not able to overcome some disturbing factors such as the difference of lighting between pictures, rotary error happening when shooting
目前雖已有多種圖像拼接演算法,但普遍存在一些缺點,如拼接精度不高,不能克服拍攝時的亮度差異、旋轉誤差等造成的影響。It adopted a special matching algorithm that is statistics of similarity of texture. this matching algorithm adopts crisscross characteristic region. by analyzing information of texture in characteristic region it can overcome disturbing factors such as the difference of lighting between pictures, definition, variety of curtaining relationship, and rotary error
它採用了一種特殊的匹配誤差演算法? ?紋理相似性信息統計法,這種演算法採用十字型特徵區域,通過分析特徵區域中的紋理信息從而有效地排除了圖像亮度差異、清晰度、遮擋關系的變化、旋轉誤差對搜索實際匹配區域的干擾。For the spectral radiance calibration of solar ultraviolet spectrum monitor, a basc > 4 diffuser is used, and a more accurate calculation for spectral radiance response is given by a integral formula. process of download signal data from solar ultraviolet spectrum monitor on spaceship obtains measurement results of solar ultraviolet spectral irradiance and solar backscatter spectral radiance
根據太陽紫外光譜監視器的地面標定結果,對從神舟三號上下載的測量數據進行處理獲得了地外太陽紫外光譜輻照度和地球大氣後向散射光譜輻亮度,與國際上的測量結果對比相對誤差在10 %以內。This bias mainly come from the un - uniform characteristics of the system and the couplings between the receiving channels. if we use fourier transformation to retrieve the image, the errors introduced by this bias will not be represented
如果使用理想的傅立葉方法反演亮溫圖像將反映不出系統的不理想因素,而且因為這些誤差對于可視度函數值的影響不同,一一剔除是極其困難的。Chapter six gives the comparing measurement results between this system and bm - 5 measuring crt color tv and liquid crystal tv. the reason of the measurement error will be analyzed
第六章給出了本系統與bm - 5彩色亮度計測量crt顯示器和液晶顯示器白場光色特性的對比測量結果,並對測量結果誤差的產生原因做了分析。The thesis develops new techniques on the basis of the relating documents - - construct of reduced 2 - d indexed layered guide star database. the database is a uniform storage reduced guide star database with improved 2 - d index it divides guide stars to local bright star ( lbs ) and local dim star ( lds ), and gives priority to lbs in making star triangle to reduce the number of stored triangles. it uses 2 - d na index and linear storage to improve the hit the target rate, save the memory for index
精簡二維索引分層導航星庫,作為一種統一存儲的精簡、索引導航星庫,採用星的分層方法精簡導航星庫,以局域亮星為主構造導航星三角形,減少了星三角形的數量,節約了存儲空間;採用索引方法檢索導航星三角形,提高了命中效率,節約了搜索時間;採用n劃分和線性存儲的方法精簡索引,提高了二維索引的存儲效率;採用索引的邊緣擴充方法,可以在一定程度上減少位置誤差的影響。A llmmse filter is designed to reduce noise based on the noise model to improve snr of images. making use of the shape and lightness characters of feature points to detect the feature p oints from images. because the accuracy of feature imaging point ' s centroid has close relationship with measuring accuracy, an algorithm based on iteration of the center of the track window is used to improve the measurement accuracy
圍繞著提高測量精度的要求,分析了影響ccd圖像質量的三類隨機噪聲,建立局部統計特性為高斯分佈的簡化圖像噪聲模型,利用線性最小均方誤差濾波器對圖像進行預處理,而後根據特徵點的亮度和形狀特徵對特徵像點進行檢測,進一步在特徵像點的匹配中採用自適應的質心迭代演算法提高跟蹤精度。Fully autonomous layered star identification algorithm, which divides the detected stars to lbs and lds, gives priority to lbs in making star triangle and identification, so can find the matching star quickly. it takes the maximum matching reliability and expanding index at the edge of na to reduce the influence of position error, magnitude error and fake star, so have high identification correct rate. it can be used for full and local sky star identification
全天自主分層星識別演算法,採用分層的方法,以局域亮星為主構造和識別觀測星三角形,減少了待識別的觀測星三角形數量,具有較高的識別速度;採用最大匹配可信度和索引的邊緣擴充方法,可以在一定程度上解決位置誤差、星等誤差和偽星干擾等問題,具有較高的識別準確率;既可以進行全天自主星識別,又可以進行局部星識別。分享友人