ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 5 ppt

... The normalization process then tendsto reduce the accuracy because of these positive values in the off-diagonal cells. IfTable 5- 7 Normalized Error Matrix from Analyst #2L986ch 05. fm Page 55 ... to the use of the Kappa coefficientfor assessing the accuracy of remotely sensed classifications because the degree of chance agreement may be over-estimated (Foody 1992). Remember from the ... agreement.”Then the weighted Kappa is defined by.To compute the large sample variance of the weighted Kappa define the weightedaverage of the weights in the ith category of the remotely sensed...

ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 1 ppt

... as the infraredportions of the electromagnetic spectrum. The accuracy of maps made from remotely sensed data is measured by two types of criteria: location accuracy and classification or thematic ... discussion of the history and basic concepts of accuracy assessment. Chapter 3 introduces sampling design. Chapter 4 is devoted to the collection of reference site data. Chapter 5 reviews the fundamental ... con-sistent and accurate collection of sample data, and (3) rigorous comparative analysis of the sample data. The organization of this book takes you through each of these fundamental steps.Chapter...

ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 2 pptx

... labels or classified data generated from the remotely sensed data. Thus, two labels from each sampleare compared to one another:• Reference data labels: the class label of the accuracy assessment ... in the 1 950 s some researchers saw the need for quantitative assessment of photo interpretation in order to promote their discipline as a science (Sammi1 950 , Katz 1 952 , Young 1 955 , Colwell 1 955 ). ... “Reli-ability of Measured Values” held at the 18th Annual Meeting of the American Society of Photogrammetry, Mr. Amrom Katz (1 952 ), the panel chair, made a very compel-ling plea for the use of...

ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 4 pot

... requires trade-offs between the remotely sensed data used to create the map and the level of accuracy required by the project. We acceptsome level of error as a trade-off for the cost savings ... reference data should be collected as close aspossible to the date of the collection of the remotely sensed data used to make the map. However, trade-offs may need to be made between the timeliness of ... reliable than the remotely sensed data used to make the map. The type of source data required will depend upon the complexity of the map classification scheme. As a general rule, the simpler the classification...

ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 6 doc

... another which the fire throws on the opposite wall of the cave ….To them … the truth would be literally nothing but the shadows of the images. (Plato, The Republic, Book VII, 51 5-B, from Benjamin ... from the one used to create the map—a common occurrence when existing data or maps are used as reference data. • Changes in land cover between the date of the remotely sensed data and the date of ... IN THE REFERENCE DATA A major assumption of the error matrix is that the label from the referenceinformation represents the “true” label of the site and that all differences between the remotely...

ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 7 docx

... map are notcorrelated), then probability tells us that the accuracy would be computed by mul-tiplying the accuracies of the layers together. Therefore, the accuracy of the finalmap is 90% × ... order to obtain the highest classifi-cation accuracy. Because all of the cells of the matrix are considered, the Kappacoefficient of agreement was the recommended measure of accuracy. To date, ... Press the exact same place in all four layers), then the accuracy of the final map is 90%.In reality, neither of these cases are very likely. There is usually some correlationbetween the map...

ASSESSING the ACCURACY of REMOTELY SENSED DATA - CHAPTER 8 (end) ppt

... assess the accuracy of both the newmap and the photo-based map. This chapter concentrates on the methods, assump-tions, and results of the accuracy assessment portions of the project. The sampledesign, ... Evaluation of several schemes forclassification of remotely sensed data. Photogrammetric Engineering and Remote Sens-ing. Vol. 46, No. 12, pp. 154 7-1 55 3.Hoffer, R.M. 1975a. Computer aided analysis of ... up the reference data (the data againstwhich the map is compared) during accuracy assessment.2. The map site label refers to the map label of the accuracy assessment site. In thisproject the...

Báo cáo khoa học: "Assessing the Role of Discourse References in Entailment Inference" pptx

... handling of discourse relations in vir-tually all entailment systems. They include the use of off -the- shelf resolvers that concentrate on nom-inal coreference, the integration of reference in-formation ... assess the validity of the lo-cal replacement of the T entity by the H entity.While transformation- and alignment-based en-tailment models look different at ﬁrst glance, theyultimately have the ... sincethey included the main predicate of the hypothe-sis.6This calls for an increased focus on the reso-lution of event references.Transformations. Table 3 shows the relativefrequencies of...

The Basics of Oil Spill Cleanup - Chapter 11 ppt

... include the type and amount of oil, the degree of weathering of the oil, both before it reaches the shoreline and while on the shoreline, the temperature, the state of the tide when the oil washes ... shorelines. All of them arecostly and take a long time to carry out. The selection of the appropriate cleanuptechnique is based on the type of substrate, the depth of oil in the sediments, the amount ... onshore, the type of beachsubstrate, i.e., its material composition, the type and sensitivity of biota on the beach,and the steepness of the shore.Other important factors are the existence of a...

The Essential Handbook of Ground Water Sampling - Chapter 5 pptx

... the filter medium is determined by the following:(1) the design of the filter (i.e., filter capsules or disks); (2) the material of construction of the filter medium; (3) the configuration of ... and M.J. Barcelona, Low-Flow (Minimal-Drawdown) Ground-Water Sampling Proce-dures, EPAu540u 5- 9 5u504, Ground Water Issue, U.S. Environmental Protection Agency, Office of Solid Waste and Emergency ... the preservative required by the method simply for the sake of convenience. This can result in the samples becoming a corrosive liquid for shippingTABLE 5. 5Examples of Commonly Used Ground-Water...

Xem thêm

Từ khóa: chapter 3 1 repositories for the storage of experimental neuroscience data pdf assessing precision and accuracy of anca ms data high spatial resolution mapping of surface energy balance components with remotely sensed data regional characterization of inland valley agroecosystems in west and central africa using high resolution remotely sensed data improving the accuracy of subcategorizations comparing the accuracy of ccg assessing the costs of sampling language id in the context of harvesting language data off the web the art of r programming data the picture of dorian gray quotes chapter 1 the picture of dorian gray analysis chapter 2 the picture of dorian gray analysis chapter 13 the picture of dorian gray analysis chapter 1 the picture of dorian gray sparknotes chapter 11 the picture of dorian gray sparknotes chapter 1 Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018 Báo cáo quy trình mua hàng CT CP Công Nghệ NPV Nghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoại Một số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTP Nghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THz Nghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt nam Biện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọ Phối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọ Trả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Nghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùng Nghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chế Nghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000 Chuong 2 nhận dạng rui ro Kiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Nguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Trách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)HIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM TÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ QUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ