Brokoli Taç İzdüşüm Alanının Görüntü İşleme Yöntemi Kullanılarak Hesaplanması
Year 2017,
, 172 - 177, 29.12.2017
Adil Koray Yıldız
Tekin Öztekin
Mehmet Murat Cömert
Abstract
Bu çalışmada görüntü işleme yöntemleri kullanılarak bitki taç izdüşüm alanının hızlı bir şekilde hesaplanması amaçlanmıştır. Denemeler için brokoli (Brassica oleraceae L.) bitkilerinden elde edilmiş fotoğraflar kullanılmıştır. MATLAB yazılımı kullanılarak oluşturulan program ile bitkiler renk uzayındaki farklarından yararlanılarak zeminden ayrılmıştır. Ölçüsü bilinen çerçeve alanı ile oranlanarak bitkinin gerçek alanı hesaplanmıştır. Aynı fotoğraflarda alanlar, planimetre ile de hesaplanarak süre ve doğruluk bakımından karşılaştırılmıştır. Görüntü işleme ile hesaplanan alanlarla planimetreyle ölçülen alanlar arasında R2=0.983 olan doğrusal bir ilişki bulunmuştur. Görüntü işleme ile alan 0.002 saniyede hesaplanırken planimetreyle yaklaşık 564 saniyede ölçüm gerçekleşmiştir.
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Year 2017,
, 172 - 177, 29.12.2017
Adil Koray Yıldız
Tekin Öztekin
Mehmet Murat Cömert
References
- Adams JE and Arkin GF (1997). A light interception method for measuring row crop ground cover. Soil Sci.Soc. Am. J., 41: 789-792.
- Allen RG, Pereria LS, Raes D and Smith M (1998). Crop Evapotranspiration-Guidelines for Computing Crop Water Requirements. FAO Irrigation and Drainage Paper 56, 300 p, Rome, Italy.
- Armbrust DV (1990). Rapid measurement of crop canopy cover. Agronomy Journal, 82: 1170-1171.
- Beyaz A (2016). Labview Platformunda Video Analizi ile Tarımsal Ürün Boyutu Belirleme. Gaziosmanpaşa Üniversitesi Ziraat Fakültesi Dergisi. 33:1-9.
- Bonachela S, Orgaz F, Villalobos FJ and Fereres E (1999). Measurement and simulation of evaporation from soil in olive orchards. Irrig Sci 18: 205–211.
- de Medeiros GA, Arruda FB, Sakai E and Fujiwars M (2001). The influence of crop canopy on evapotranspiration and crop coefficient of beans (Phaseolus vulgaris L.) Agric. Water Manage. 49, 211–224.
- Girona J, del Campo J, Mata M, Lopez G and Marsal J (2011). A comparative study of apple and pear tree water consumption measured with two weighing lysimeters. Irrig Sci 29(1):55–63
- Klocke NL, Hubbard KG, Kranz WL and Watts DG (1990). Evapotranspiration (ET) or Crop Water Use. NebGuide G992, NE Cooperative Extension.
- Mannering JV and Johnson CB (1969). Effect of crop row spacing on erosion and infiltration. Agron. J., 61(6), 902-905.
- Stewart AM, Edmisten KL, Wells R and Collins GD (2007). Measuring canopy coverage with dijital imaging. Communications in Soil Science and Plant Analysis, 38(7-8): 895-902.
- Petekkeya İ (2012). Damla Sulama İle Sulanan Bazı Yarı Bodur Elma Ağaclarında Gölgelenen Alan Yüzdesinin Belirlenmesi. (Y.Lisans Tezi), Gaziosmanpaşa Üniversitesi. Tarımsal Yapılar ve Sulama Anabilim Dalı, Tokat.
- Testi L, Villalobos FJ and Orgaz F (2004). Evapotranspiration of a young irrigated olive orchard in southern Spain. Agric For Meteorol 121(1–2):1–18
- Villalobos FJ, Testi L and Moreno-Perez MF (2009). Evaporation and canopy conductance of citrus orchards. Agric Water Manag 96(4):565–573
- Williams LE, Phene CJ, Grimes DW and Trout TJ (2003). Water use of mature Thompson Seedless grapevines in California. Irrig. Sci., 22(1), 11-18.
- Williams LE and Ayars JE (2005). Grapevine water use and the crop coefficient are linear functions of the shaded area measured beneath the canopy. Agricultural and Forest Meteorology, 132(3-4), 201-211.
- Woebbeckle DM, Meyer GE, Von Bargen K and Mortensen DA (1995). Color Indices for Weed Identification Under Various Soil, Residdue and Lighting Conditions. Transactions of the ASAE 1995, 38(1). St Joseph MI.