نتایج جستجو برای: multi focus
تعداد نتایج: 789604 فیلتر نتایج به سال:
A multi-image focus of attention mechanism has been developed that can quickly distinguish raised objects like buildings from structured background clutter typical to many aerial image scenarios. The underlying approach is the space-sweep stereo method, in which features from multiple images are backprojected onto a virtual, horizontal plane that is methodically swept through the scene. Backpro...
In this paper, a multi-focus image fusion method using Spatial Frequency Measurements (SFM) and Wavelet Packet was proposed. The proposed fusion approach, firstly, the two fused images were transformed and decomposed into sixteen subbands using Wavelet packet. Next, each subband was partitioned into subblocks and each block was identified the clearer regions by using the Spatial Frequency Measu...
This paper proposes a new approach for multi-focus images fusion based on Region Mosaicing on Contrast Pyramids (REMCP). A density-based region growing method is developed to construct a focused region mask for multi-focus images. The segmented focused region mask is decomposed into a mask pyramid, which is then used for supervised region mosaicking on a contrast pyramid. In this way, the focus...
Focus cues are incorrect in conventional stereoscopic displays. This causes a dissociation of vergence and accommodation, which leads to visual fatigue and perceptual distortions. Multi-plane displays can minimize these problems by creating nearly correct focus cues. But to create the appearance of continuous depth in a multi-plane display, one needs to use depth-weighted blending: i.e., distri...
Increasing usage of information technology and communication predict a great development in all areas, especially in education and learning. In recent decades, because of emerging modern technologies like multi-media, meta-media and tele-communications, classical perspectives in learning are faced with critical changes. Today, modern technologies are used by most countries in special education....
The purpose of multi-focus image fusion is gathering the essential information and the focused parts from the input multi-focus images into a single image. These multifocused images are captured with different depths of focus of cameras. Multi-focus image fusion is very time-saving and appropriate in discrete cosine transform (DCT) domain, especially when JPEG images are used in visual sensor n...
language teachers usually face issues regarding the most effective methods of teaching. teaching language to nonnative speakers of english involves certain problems and challenges at all levels of instruction. due to the unsatisfactory results of focus on forms and focus on meaning instructions and their inevitable inadequacies, focus on form instruction along with its multiple techniques are r...
This paper presents the formulation and solution of the Combinatorial Multi-Mode Resource Constrained Multi-Project Scheduling Problem. The focus of the proposed method is not on finding a single optimal solution, instead on presenting multiple feasible solutions, with cost and duration information to the project manager. The motivation for developing such an approach is due in part to practica...
objective: this study is applied of descriptive correlative type run as field study using billings and moos (1981) standard methods questionnaires for stress coping and self-efficacy ideas of sherer et al (1981). methods: in this research, the census sampling has been done to select the students from tehran based science and research department of islamic azad university natural resources and a...
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