色度變碼 的英文怎麼說
中文拼音 [shǎidùbiànmǎ]
色度變碼
英文
chrominance transcoding-
Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions
細胞色素b基因序列變異分析表明: 1 )雁形目鳥類細胞色素b基因全序列長度一致,無插入和缺失:對照雞線粒體密碼子系統全序列能全部翻譯成氨基酸序列,無無義突變,全序列內部無終止密碼子; 2 )序列比對后1143加,含416個核著酸變異位點, 306個簡約信息位點,其中處於密碼子第三位的變異最大,第一位和第二位堿基的變異相對較小。Thus the coding of a color head image actually become the coding of a color component. the experimental results show this method not only improve the coding efficient and compression ratio but also obtain satisfactory effect of the reconstructed image. at the same time, this method also enables gray head images to be converted into color head images
這樣對彩色人頭圖象的編碼實質上就變成了對其中的一個色彩分量的編碼,實驗結果表明該方法不僅提高了編碼效率和壓縮比,也能獲得較滿意的重構圖象效果,同時還使得將灰度人頭圖象轉換成彩色人頭圖象成為可能。The dissertation combine the theory, with using integers dct transform to realize grey image lossless compress with the method of reversible color space integers transform and reversible integers dpcm prediction to realize lossless compress from grey image to color image with huffman coding method via visual c + + program
本文借鑒整數dct變換實現灰度圖像無損壓縮的理論研究成果,將其與可逆的顏色空間整數變換和可逆的整數dpcm預測相結合,採用哈夫曼編碼方法,用vc編程實現了從灰度圖像到彩色圖像的無損壓縮。Led data control electronic fence light, with advanced data control technique, can function at a single color or various color by a single light. ; start and change color synchronously, and also indicate the effects of color dancing and gradual change, and, furthermore, show the functions of color chasing one after another, scanning change
Led數控電子護欄燈,以先進的數碼控制技術,具有一燈單色和一燈多色的功能,既可用同步啟動、同步變色,也可顯示跳度或漸變燈光色彩效果,更可實現燈光色彩追逐、掃描變化功能。This model is simple and easy to be implemented. the refined genetic algorithm is also set up, in which some improvements are made on chromosome coding, fitness fuction, stopping rule, crossover and mutation pattern
對遺傳演算法的染色體編碼、群體規模的確定、收斂準則、交叉、變異等環節進行了改進,提高了演算法的全局尋優概率和收斂速度。In this paper, chroma dc coefficients are selected as the carrier data because chroma dc coefficients are robust. also, alterable steps are used to select one part of the coefficients, so the watermark is imperceptible ; before watermark embedding, the watermark is divided into many parts, every part is individually embedded into one gop of the video, even if a gop is destroyed, the watermark can be extracted correctly, this methods promotes the robustness of the watermark ; in addition, in order to promote the security of the watermark, the user ' s id and password are used to generate chaos sequence by the chaos system which is created in this paper, later, watermark is mixed by the chaos sequence. also, the embedding position of the watermark bit is modified by one chaos sequence, so, unauthorized person can not extract or remove the watermark, since the embedding position is unknown
本文認為,色度dc系數是魯棒性非常好的參數,因而選擇色度dc系數作為水印信息載體,同時,採用可變的步長選擇部分系數,保證了水印的隱形性;在嵌入水印時,本文採用水印信息「網格劃分」 、各子塊獨立嵌入視頻的方案,由於水印信息子塊是相對獨立的嵌入視頻中的每一相對獨立的圖組當中,即使某一圖組收到一定破壞,也能夠恢復水印信息,使水印的健壯性得到提高;此外,為了提高水印信息的安全性,在嵌入水印信息時,根據用戶輸入的id號和密碼,利用本文構造的混沌系統產生的混沌序列對水印信息進行變換,同時,對每一水印信息比特的嵌入位置也採用了偽隨機序列進行調整,這樣,未授權用戶不能提取水印信息,也難以擦除其中的水印信息,因為嵌入的位置是未知的。The amplitude fluctuation and according system performance degradation induced by xpm is also studied through numerical simulation. the timing jitter caused by xpm can also have great impact on system performance. by employing lagrangian variational method and statistical method, the timing jitter caused by xpm in strong dispersion managed rz systems is studied in chapter 3
通過模擬也研究了波分復用系統中由於交叉相位調制效應引起的幅度抖動從而導致系統性能的惡化;交叉相位調制引起的時間抖動對系統性能也有較大影響,利用拉格朗日變分方法和統計分析的方法,第三章討論了強色散管理歸零碼系統中交叉相位調制引起的時間抖動。The images can be enhanced by adding special effects in accordance with customers wishes, such as changing the background, adding characters and even adjusting head and body positions in the editing process. the process is low - cost and high - speed, and the excellent quality and the brilliant color of the printed photos compare favorably to the traditional photo studios
在這里,數碼相機拍攝下的圖片可以根據顧客的要求進行多種特殊效果處理,例如改變背景添加文字甚至換頭換身等,並在製作過程中能隨時加以調整,不但成本低速度快,而且最終列印製作出的相冊質量之精美色彩之鮮艷,同傳統影樓相比有過之而無不及。Most of these standards are based on the method of inter - frame motion compensation and two - dimensional discrete cosine transform ( 2d - dct ) and encode and describe the color video in ycbcr 4 : 2 : 0 format, which want to take advantage of human visual system ( hvs ) to save bit expense by decreasing the resolution of two color difference components
當前國際上的壓縮標準普遍採用幀間運動補償加幀內二維離散餘弦變換的編碼方法,並且將彩色視頻序列表示為ycbcr格式,試圖利用人眼的視覺特性降低對色差信號的解析度來節省比特開銷。The results page shows population density for the zip code selected and adjacent zip codes with color - coded " push pins. " the map can be moved with a left - click, drag mouse action, and the scale can be changed with the zoom control in the upper left corner of the map
結果頁面顯示了所選擇的郵政編碼以及相鄰郵政編碼地區的人口密度,這個相鄰郵政編碼帶有有顏色的「 push pins 」 。通過左鍵單擊、拖動鼠標動作可以移動地圖,通過地圖左上角的縮放控制項能夠改變地圖的比例。There is two questions on transferring the video signals from the output of the hdtv decode to display on the screen, one is that we should convert the video data into many different video formats which is named as format conversion function
經hdtv視頻解碼器解碼后的視頻信號在送去電視機顯示前需要解決兩個問題;一是對輸入的視頻格式可能做的視頻格式轉換(及yuv到rgb色度空間變換,稱為格式變換單元。To reduce the makespan of variety and small batch job shop scheduling problem, a new approach using double genetic algorithms is proposed, and based on processing sequence of sub - lots, a novel encoding scheme for the variable chromosome length of lot splitting scheduling is presented. theoretically, the best optimization solution of overall situation can be achieved from the proposed algorithms
對在本文中所採用的遺傳演算法的相關運算元進行了闡述;針對中小批量的多工藝加工計劃調度問題,以優化生產周期為目標,提出了基於雙遺傳演算法的多工藝加工計劃調度演算法,同時提出了一種基於工件批次加工順序的變染色體長度的編碼方法。In the first phase, users are partitioned into fuzzy regions according to quantity supplied and the length of paths using genetic algorithm ; in the second phase the global optimization is carried out by the hybrid genetic algorithm with 2d variable - length chromosomes and corresponding genetic operators
在第1階段,使用遺傳演算法對客戶按供應量和路徑長度進行模糊分區;在第2階段,採用二維變長染色體編碼及相應的遺傳運算元進行混合遺傳演算法的全局優化。The led neon tubes are mounted on a stainless steel back frame which also holds up eight pieces of white - tinted glass in front. the system is tilted at ten degrees so that the reflection of the sky can be registered on the glass panels
整塊墻壁是故意向後傾斜約十度,好讓天空的影像能夠反映在前面的玻璃之上,使之化成一幅可因應天氣而變色的數碼天空。It greatly increases information capacity within limited space by combining the variety of widths, the variety of colors and vertical array
這種條碼結合條空寬度變化、條空顏色變化和縱向排列來表示信息,能在有限的幾何空間內表示更多的信息。The genetic algorithms is by means of the coding technology, application is reproduction, hybridization and the abrupt change and so on the genetic factor, intial stage race make up to chromosome, degree of adapting to analysis, constitute bad the eliminating of superior 、 natural environment of survival of the fittest, come into being out the fresh good race
摘要遺傳演算法通過編碼技術,運用繁殖、雜交、和突變等遺傳運算元,對染色體組成的初始種群,進行適應度分析,構成優勝劣汰、適者生存的自然環境,產生出新的更加優良的種群。Denomination numeral in optical variable ink the colour of the denomination numeral shifts between gold and green when the banknote is viewed at different angles
變色反光油墨印刷銀碼從不同角度斜看鈔票時,鈔票銀碼呈金綠兩色相互交替A study on chromatical analysis and transform of colored images in digital amplification equipment and their realization
數碼放大設備中彩色圖像色度分析與變換The system is composed with six sections which are entropy decoder, inverse z transform, inverse quantization, inverse discrete cosine transform ( idct ), up sampling and color space transform
Jpeg解碼演算法主要由熵解碼、逆z變換、反量化、反離散餘弦變換、內插和色度空間轉換六部分組成。The system is tilted at ten degrees so that the reflection of the sky can be registered on the glass panels. conceptually, the wall becomes a digital sky that changes colour according to temperature
整塊墻壁是故意向後傾斜約十度,好讓天空的影像能夠反映在前面的玻璃之上,使之化成一幅可因應天氣而變色的數碼天空。分享友人