We developed an automatic segmentation method of intact leaves based on the geometric active contour model according to the characteristics of color leaf images.
针对彩色苗木叶片图像的特点研究了利用几何活动轮廓模型进行完整叶片的自动分割的方法。
The intrinsic factor influencing the autumn-color leaf is the change of photosynthetic production, and the extrinsic factors are illumination, temperature and moisture.
影响秋色叶变化的内部因素主要是光合产物的变化，外部因素为光照、气温、水分等。
Do you ever wonder why a fall leaf changes color?
你们有没有想过为什么落叶会变色？
"His mustache looks like a different color," like when you have a leaf with two different colors on it.
他的大胡子看上去像另外一种颜色，就在一片叶子有两种颜色。
They have strong leaf color contrast, grow to 2-3ft tall under ideal conditions, and in a pinch can be used in incantations to protect yourself from being bewitched.
它们叶子的颜色对比很强，理想条件下能免长到2~3英尺高。 紧急时还可以保护你不被魔咒所侵害。
Sort of imitation wood, dark brown color, country-style you know, and the LIDS, if I remember rightly, they had a sort of leaf pattern, or was it flowers?
仿木的那一种，深棕色的，是乡村风格的。如果我没记错的话，盖子上有树叶图案或者是花卉图案。
His mustache looks like a different color, "like when you have a leaf with two different colors on it."
他的大胡子看上去像另外一种颜色，就在一片叶子有两种颜色。
In the second piece there is a small but clear gap between the drooping flower and the leaf, and the leaf is black in color.
第四处大致上是很相似的，但是第一幅被垂下来的花朵挡住的叶片部分是绿色的，第二幅画中垂下来的花叶之间的空隙要明显大一些，而且叶片也是黑色的。
If I remain on a leaf I shall be green forever, and so I too will have a color of my own.
如果我停留在一片叶子上我就会永远是绿色的，那样我也将拥有自己的颜色了。
White clover has many genes that affect leaf color and shape, and the three in the study were very rare.
白三叶草有很多影响了叶片的颜色和形状的基因，并在研究中十分罕见。
While choosing zongzi, buyers need to pay attention to the color of the leaf wrapping which should be dark-yellow.
粽叶如果是自然风干的，应呈暗黄色。
Jimmy: What color is the leaf before that?
吉米：在那之前，树叶是什么颜色的？
Sort of imitation wood, dark brown color, country-style you know, and the lids, if I remember rightly, they had a sort of leaf pattern, or was it flowers? M: That's strange.
仿木的那一种，深棕色的，是乡村风格的。
Photosynthesis directly influences the growth speed and leaf pigment content, and further affects the color expression of leaves of the colored-leaf trees.
光合作用直接影响彩叶树种的生长和叶片色素含量，进而影响彩叶树种的叶色表现。
Obvious distinctive features of color and types of villi on the back of the leaf were found.
发现叶下部茸毛的类型和颜色可作为较明显的鉴别特征。
The leaf color mark technology of yellow-green seedling mutant is discussed in the function of purity identification, hybrid seed purity improvement and male sterility in hot pepper.
对辣椒黄绿苗突变体的隐性叶色标记技术在纯度鉴定，提高杂交种子纯度以及在辣椒雄性不育中的作用及应用前景进行了探讨。
The results of principal components analysis showed that color , characters of root and leaf are the decisive factors affecting radish germplasm classification according to morphological characters.
主成分分析表明，利用形态性状对萝卜分类时，首先考虑的是颜色，其次是根的性状，最后是叶的性状。
The relationship between the leaves and the nutrient content was investigated by analyzing the color properties of leaves' images and the leaf nutrition content.
并根据叶片营养含量的测定，研究了叶片颜色特征与叶片养分含量之间的关系。
Unfortunately, the chemical processes responsible for changing leaf color also make leaves fall.
遗憾的是，正是让树叶变色的化学反应让树叶落地。
Tea connoisseurs classify the tea by the shape of the leaf, the color of the liquid, and the aroma, taste and appearance of the infused leaf.
茶叶行家对茶叶分类要看茶形、茶水颜色、茶香、茶味、茶水中茶叶的外观。
The LCT is the optimum leaf color at which maximum grain yield is achieved.
叶色诊断指标实际上就是稻谷产量最高时的最适叶色。
I have been travelling, the city descends slowly and lightly from my side like fallen leaves, the color of leaf has remained unchanged but already left branches.
我一直在旅行，城市像落叶从我身边流逝，叶色依旧却早已经离了枝桠。
The research defined the wheat leaf color with hue and measured the color of leaf by hue.
用色相表示小麦叶片的颜色，对小麦叶片的色相值进行了检测。
Some insects are hidden by their body color or shape, and many look like a leaf or a little branch.
有些昆虫为隐藏自己的身体的颜色或形状，许多看起来像一片树叶或小分支。
The resistance was not relative to the length of flag leaf, leaf color and awn length.
旗叶长、叶色和芒长与抗性无明显相关。
Leaf color mutants (chlorophyll mutant) are often seen in rice.
叶色突变(叶绿素突变)在水稻中比较常见。
Leaf color mutants (chlorophyll mutant) are often seen in rice.
叶色突变(叶绿素突变)在水稻中比较常见。
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