distinctive image features from scaleinvariant keypoints international journal of computer vision

... 8 Number of keypoints per image Number of scales sampled per octave Total number of keypoints Nearest descriptor in database Figure 3: The top line of the first graph shows the percent of keypoints ... the database of keypoints extracted from training images. Many of these initial matches will be incorrect due to ambiguous features or features that arise from background clutter. Therefore, clusters of ... issue for measuring the distinctiveness of features is how the re- liability of matching varies as a function of the number of features in the database being matched. Most of the examples in this...

Ngày tải lên: 13/12/2013, 16:15

... / International Journal of Machine Tools & Manufacture 48 (2008) 832–840836 A total of 15 mode shapes and natural frequencies were extracted in the 0–160 Hz frequency range. This range of interest ... experimental ones are ARTICLE IN PRESS Fig. 2. FE model of the machine. Z Y X Fig. 3. Geometry of the EMA. I. Garitaonandia et al. / International Journal of Machine Tools & Manufacture 48 (2008) 832–840834 ... modifying ARTICLE IN PRESS Fig. 7. FRFs between j–k degrees of freedom. Fig. 8. Geometry of centerless grinding. I. Garitaonandia et al. / International Journal of Machine Tools & Manufacture 48 (2008)...

Ngày tải lên: 22/03/2014, 11:20

... to obtain a state space model of order 30 designed for the purpose of predicting displacements, velocities and accelerations of selected dof’s. The integration of the reduced order structural ... behaviour of the machine. References [1] J.P. Gurney, An analysis of centerless grinding, ASME Journal of Engineering for Industry 87 (1964) 163–174. [2] M. Miyashita, Unstable vibration analysis of ... dynamic behaviour of centerless grinding machines, International Journal of Machine Tools and Manufacture 35 (9) (1994) 1291–1307. [5] F. Hashimoto, G.D. Lahoti, Optimization of set-up conditions...

Ngày tải lên: 22/03/2014, 11:20

... improve satisfaction of the Internet browsing experience and the quality of the Web-based e-Commerce by offering a sophisticated interactive environment. International Journal of Electronic Business ... 7(a): The use scenario for configuration of a sport sedan Figure 7(b): The use scenario for configuration of a sport sedan International Journal of Electronic Business Management, Vol. ... enhancement of existing functions and development of new utilities are necessary to expand the values of this promising technology. We have identified several areas worth of pursuing from the...

Ngày tải lên: 29/03/2014, 17:20

... University of Milan, Via Morandi 30, San Donato Milanese, 20097, Milan, Italy Full list of author information is available at the end of the article Maria et al. International Journal of Emergency ... classification of soft tissue sarcomas abandoned this previous vision of a pericyte-derived tumor in favor of a fibroblastic cell ori- gin, integrating this lesion into the family of solitary fibrous ... blood pressure of 110/80 mmHg, pulse of 70/min, and O2 saturation of 99% on room air. Blood tests revealed that his hemoglobin had dropped to 10.2 g/dl from the initial value of 14.5 g/dl. Urgent...

Ngày tải lên: 21/06/2014, 04:20

... consent was obtained from the patient for publication of this case report and accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal. Authors’ ... of the text of this manuscript. Figure 2 Plantar aspect reveals diabetic foot ulcer. Figure 3 X-ray reveals soft-tissue gas consistent with gangrene. Cooney and Cooney International Journal of ... and osteomyelitis of the foot in a diabetic patient treated with tea tree oil. International Journal of Emergency Medicine 2011 4 :14. Submit your manuscript to a journal and benefi t from: 7 Convenient...

Ngày tải lên: 21/06/2014, 04:20

... dilatation from the pseudo-obstruction with large stool collection. Figure 3 Axial CT image of the pseudo-obstruction and severely dilated colon. Cooney and Cooney International Journal of Emergency ... rate of 18-33% [6]. Iatrogenic perforation during this procedure has been reported as 3% [13]. Figure 5 Sagittal CT image of the pseudo-obstruction. Cooney and Cooney International Journal of Emergency ... who Figure 4 Coronal CT image of pseudo-obstruction and severely dilated colon that almost completely fills the view of the abdomen cavity. Cooney and Cooney International Journal of Emergency Medicine...

Ngày tải lên: 21/06/2014, 04:20

... were students of the Faculty of Electrical Engineering /Computer Science and of the Faculty of Education. In the third group were students of the Faculty of Medicine and Faculty of Health Sciences. The ... šnik et al.: Impact of additional module training on the level of basic life support knowledge of first year students at the University of Maribor. International Journal of Emergency Medicine ... frequency of opportunity Table 3 Comparison between the group of the Faculty of Health Sciences and the group of the Faculty of Medicine Question (correct answer) Faculty of Health Sciences Faculty of Medicine p- value N...

Ngày tải lên: 21/06/2014, 04:20

... surgery for acute aortic occlusion: case report. International Journal of Emergency Medicine 2011 4:20. Submit your manuscript to a journal and benefi t from: 7 Convenient online submission 7 Rigorous ... arteries, presumably arising from collateral vessels. Both kidneys did not enhance well, suggesting vascular compromise in both. Ting and Dehdary International Journal of Emergency Medicine 2011, ... [3]. Perioperative complications could result from revascu- larization of infarcted muscles. Acute reperfusion of muscle compartments leads to sudden intravascular dis- semination of toxic metabolites and potentially...

Ngày tải lên: 21/06/2014, 04:20

... firewall works well in protecting your network from outsiders but not from someone on your side of the firewall—58% of security threats originate from employees, contractors, consultants, and ... Therefore, top management should be aware of the varying risks of computer information loss or modification. They should be part of the design and implementation of the security policy, with the security ... Viruses come from a variety of sources, and because they can attach themselves to legitimate software, they can pass many security defenses. In a 1991 study of major U.S. and Canadian computer...

Ngày tải lên: 25/03/2014, 12:12

... theory concerned with the unification of image processing and computer vision tasks. Much of the mathematics associated with image algebra and its implication to computer vision remains largely unchartered ... operands of image algebra are images and the values and quantities associated with these images. Roughly speaking, an image consists of two things, a collection of points and a set of values ... cases of the general concept of an image. In order to provide a mathematically rigorous definition of an image that covers the plethora of objects called an image in signal processing and image...

Ngày tải lên: 28/03/2014, 14:20

... theory concerned with the unification of image processing and computer vision tasks. Much of the mathematics associated with image algebra and its implication to computer vision remains largely unchartered ... operands of image algebra are images and the values and quantities associated with these images. Roughly speaking, an image consists of two things, a collection of points and a set of values ... an -valued image on Y. The role of image algebra in computer vision and image processing tasks and theory should not be confused with the government’s Ada programming language effort. The goal of the...

Ngày tải lên: 10/08/2014, 02:21

... second coordinate of . Image restrictions in terms of subsets of the value set is an extremely useful concept in computer vision as many image processing tasks are restricted to image domains ... ··· ³a(x n ) image sum image product image maximum image minimum image complement pseudo inverse image transpose a2 = {((x,y), a2(x,y)) : a2(x,y) = a(y,x), (y,x)  X} Previous Table of Contents ... called the right product of a with t. Note that while a is an image on X, the product is an image on Y. Thus, templates allow for the transformation of an image from one type of domain to an entirely...

Ngày tải lên: 10/08/2014, 02:21

Ngày tải lên: 10/08/2014, 02:21

Ngày tải lên: 10/08/2014, 02:21

Ngày tải lên: 10/08/2014, 02:21

Ngày tải lên: 10/08/2014, 02:21

Ngày tải lên: 10/08/2014, 02:21