RU2005111787A - METHOD FOR DETERMINING THE COMPLETENESS OF TREES - Google Patents

METHOD FOR DETERMINING THE COMPLETENESS OF TREES Download PDF

Info

Publication number
RU2005111787A
RU2005111787A RU2005111787/11A RU2005111787A RU2005111787A RU 2005111787 A RU2005111787 A RU 2005111787A RU 2005111787/11 A RU2005111787/11 A RU 2005111787/11A RU 2005111787 A RU2005111787 A RU 2005111787A RU 2005111787 A RU2005111787 A RU 2005111787A
Authority
RU
Russia
Prior art keywords
area
completeness
calculated
matrix
geome
Prior art date
Application number
RU2005111787/11A
Other languages
Russian (ru)
Other versions
RU2294622C2 (en
Inventor
В чеслав Федорович Давыдов (RU)
Вячеслав Федорович Давыдов
Анатолий Владимирович Корольков (RU)
Анатолий Владимирович Корольков
Евгений Петрович Новиков (RU)
Евгений Петрович Новиков
Ксени Андреевна Тимонина (RU)
Ксения Андреевна Тимонина
Original Assignee
Московский государственный университет леса (RU)
Московский государственный университет леса
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Московский государственный университет леса (RU), Московский государственный университет леса filed Critical Московский государственный университет леса (RU)
Priority to RU2005111787/11A priority Critical patent/RU2294622C2/en
Publication of RU2005111787A publication Critical patent/RU2005111787A/en
Application granted granted Critical
Publication of RU2294622C2 publication Critical patent/RU2294622C2/en

Links

Landscapes

  • Image Analysis (AREA)
  • Image Processing (AREA)

Claims (1)

Способ определения полноты древостоев, при котором получают изображение лесов, содержащих пробные площадки в виде цифровой матрицы |m×n| зависимости функции яркости I(х, y) от пространственных координат, рассчитывают пространственный спектр Фурье матрицы, находят среднюю частоту Fcp. и диаметр кроны среднего дерева Dcp.=1/Fcp., отличающийся тем, что вычисляют среднеквадратическое отклонение σ сигнала матрицы обрабатываемого участка, вводят калибровочный коэффициент шкалы функции яркости Δh[м/шаг квантования]=Н/2σ, программным расчетом функцииA method for determining the completeness of stands, in which an image of forests containing test sites in the form of a digital matrix | m × n | the dependence of the brightness function I (x, y) on the spatial coordinates, calculate the spatial Fourier spectrum of the matrix, find the average frequency F cp. and the crown diameter of the middle tree D cp . = 1 / F cp. , characterized in that the standard deviation σ of the matrix signal of the processed area is calculated, the calibration coefficient of the scale of the brightness function Δh [m / quantization step] = N / 2σ is introduced, by program calculation of the function
Figure 00000001
Figure 00000001
определяют площадь рельефа древесного полога, получают эталонный ряд зависимостей известной относительной полноты пробных площадок от вычисленных значений площади их рельефов, определяют относительную полноту таксируемого массива по соотношению Sp/Sгеом. интерполированием смежных значений эталонного ряда,determine the relief area of the canopy, obtain a reference series of dependencies of the known relative completeness of the test sites on the calculated values of the area of their reliefs, determine the relative completeness of the taxed massif by the ratio S p / S geome. interpolating adjacent values of the reference series, где Sгеом., Sp - геометрическая площадь таксируемого участка и площадь рельефа его древесного полога;where S is a geome. , S p is the geometric area of the taxed area and the relief area of its wood canopy; Н - средняя высота древостоя участка, вычисляемая по регрессионным зависимостям (для деревьев первой и второй групп по Анучину Н.П.)
Figure 00000002
;
Figure 00000003
.
H - the average height of the stand, calculated by the regression dependencies (for trees of the first and second groups according to N. Anuchin)
Figure 00000002
;
Figure 00000003
.
RU2005111787/11A 2005-04-21 2005-04-21 Method for determining degree of forest stand density RU2294622C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2005111787/11A RU2294622C2 (en) 2005-04-21 2005-04-21 Method for determining degree of forest stand density

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2005111787/11A RU2294622C2 (en) 2005-04-21 2005-04-21 Method for determining degree of forest stand density

Publications (2)

Publication Number Publication Date
RU2005111787A true RU2005111787A (en) 2006-10-27
RU2294622C2 RU2294622C2 (en) 2007-03-10

Family

ID=37438367

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2005111787/11A RU2294622C2 (en) 2005-04-21 2005-04-21 Method for determining degree of forest stand density

Country Status (1)

Country Link
RU (1) RU2294622C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2536183C2 (en) * 2013-03-12 2014-12-20 Федеральное государственное бюджетное учреждение науки Институт физического материаловедения Сибирского отделения Российской академии наук (ИФМ СО РАН) Method of determination of horizontal structure of growing stock
RU2531329C1 (en) * 2013-03-25 2014-10-20 Федеральное государственное бюджетное учреждение науки Институт леса им. В.Н. Сукачева Сибирского отделения Российской академии наук (ИЛ СО РАН) Method of determining completeness of multi-storeyed, mixed, and uneven-aged timber stands

Also Published As

Publication number Publication date
RU2294622C2 (en) 2007-03-10

Similar Documents

Publication Publication Date Title
Hosoi et al. Factors contributing to accuracy in the estimation of the woody canopy leaf area density profile using 3D portable lidar imaging
Wang et al. Issues in using the WinRHIZO system to determine physical characteristics of plant fine roots
US9952233B2 (en) System and method for analysis of a sample
Marzulli et al. Estimating tree stem diameters and volume from smartphone photogrammetric point clouds
FI19992319A (en) A method for determining tree codes and a computer program for executing the method
RU2004100846A (en) DATA PROCESSING METHOD
CA2460089A1 (en) Method, apparatus and program for determining growth of trees
US6735547B1 (en) Method and apparatus for determining the size and shape of a foot
RU2005111787A (en) METHOD FOR DETERMINING THE COMPLETENESS OF TREES
JP5991182B2 (en) Plant species determination program, plant species determination method, and plant species identification device
CN104316486B (en) A kind of method of the unqualified vegetable oil of rapid screening
Aristide et al. Multiple factors behind early diversification of skull morphology in the continental radiation of New World monkeys
RU2009115787A (en) METHOD FOR DETERMINING ECOLOGICAL STATE OF FORESTS
Romero et al. Aboveground biomass allometric models for large trees in southwestern Amazonia
Ferreira et al. Toona ciliata genotype selection with the use of individual BLUP with repeated measures
Mori et al. Light-related competitive effects of overstory trees on the understory conifer saplings in a subalpine forest
US11579008B1 (en) Estimating gemstone weight in mounted settings
CN107563320B (en) Human body sitting posture appearance testing method and system based on spatial position information
JP5672029B2 (en) Reflectance calculating device, reflectance calculating method and program
Pisek et al. Estimation of coniferous shoot structure by high precision blue light 3D photogrammetry scanning
JP6207968B2 (en) Forest phase analysis apparatus, forest phase analysis method and program
US11327026B1 (en) Comparing gemstone signatures using angular spectrum information
RU2008102408A (en) METHOD FOR DETERMINING CATEGORY STATE OF FOREST ARRAYS
RU2005111786A (en) METHOD FOR DETERMINING THE STOCK OF TREES
Costa et al. Sensitivity of the moiré technique for measuring biological surfaces

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20070422