Machine Vision and Applications

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Extrinsic calibration of multi-modal sensor arrangements with non-overlapping field-of-view
Machine Vision and Applications - Tập 28 - Trang 141-155 - 2016
Carolina Raposo, João Pedro Barreto, Urbano Nunes
Several applications in robotics require complex sensor arrangements that must be carefully calibrated, both intrinsically and extrinsically, to allow information fusion and enable the system to function as a whole. These arrangements can combine different sensing modalities—such as color cameras, laser-rangefinders, and depth cameras—in an attempt to obtain richer descriptions of the environment....... hiện toàn bộ
Extended sparse representation-based classification method for face recognition
Machine Vision and Applications - Tập 29 - Trang 991-1007 - 2018
Yali Peng, Lingjun Li, Shigang Liu, Jun Li, Xili Wang
In sparse representation algorithms, a test sample can be sufficiently represented by exploiting only the training samples from the same class. However, due to variations of facial expressions, illuminations and poses, the other classes also have different degrees of influence on the linear representation of the test sample. Therefore, in order to represent a test sample more accurately, we propos...... hiện toàn bộ
Realistic human action recognition by Fast HOG3D and self-organization feature map
Machine Vision and Applications - Tập 25 - Trang 1793-1812 - 2014
Nijun Li, Xu Cheng, Suofei Zhang, Zhenyang Wu
Nowadays, local features are very popular in vision-based human action recognition, especially in “wild” or unconstrained videos. This paper proposes a novel framework that combines Fast HOG3D and self-organization feature map (SOM) network for action recognition from unconstrained videos, bypassing the demanding preprocessing such as human detection, tracking or contour extraction. The contributi...... hiện toàn bộ
A real-time vision system using an integrated memory array processor prototype
Machine Vision and Applications - Tập 7 - Trang 220-228 - 1994
Yoshihiro Fujita, Nobuyuki Yamashita, Shin'ichiro Okazaki
This paper describes a real-time vision system (RVS) architecture and performance and its use of an integrated memory array processor (IMAP) prototype. This prototype integrates eight 8-bit processors and a 144-kbit SRAM on a single chip. The RVS was developed with 64 IMAP prototypes connected in series in a 512 processor-system configuration. A host workstation can access the memory on the IMAP p...... hiện toàn bộ
A robust facial feature detection on mobile robot platform
Machine Vision and Applications - Tập 21 Số 6 - Trang 981-988 - 2010
Park, Chang-Woo, Lee, Taigun
Human face analysis on the mobile robot vision system should cope with difficult problems such as face pose variations, illumination changes, and complex backgrounds, in which problems are mainly induced from the movement of its platform. In this paper, in order to overcome such problems, an efficient facial feature detection approach based on local image region and direct pixel-intensity distribu...... hiện toàn bộ
Wound measurement by RGB-D camera
Machine Vision and Applications - Tập 29 - Trang 633-654 - 2018
Damir Filko, Robert Cupec, Emmanuel Karlo Nyarko
The robot and computer vision community has seen a lot of novelties developed in the past few years as a result of the appearance of cheap RGB-D sensors spearheaded by the Kinect sensor. In this paper, the feasibility of using an RGB-D camera in detecting, segmenting, reconstructing and measuring chronic wounds in 3D is explored. The wound is detected by implementing nearest-neighbor approach on c...... hiện toàn bộ
Effective venue image retrieval using robust feature extraction and model constrained matching for mobile robot localization
Machine Vision and Applications - Tập 23 - Trang 1011-1027 - 2011
Yue Feng, Jinchang Ren, Jianmin Jiang, Martin Halvey, Joemon M. Jose
This paper describes a novel system for mobile robot localization in an indoor environment, using concepts like homography and matching borrowed from the context of stereo and content-based image retrieval techniques (CBIR). To deal with variations with respect to viewpoint and camera positions, a group of points of interest (POI) is extracted to represent the image for robust matching. To cope wi...... hiện toàn bộ
About the authors
Machine Vision and Applications - Tập 3 - Trang 183-184 - 1990
Crowd analysis: a survey
Machine Vision and Applications - Tập 19 - Trang 345-357 - 2008
Beibei Zhan, Dorothy N. Monekosso, Paolo Remagnino, Sergio A. Velastin, Li-Qun Xu
In the year 1999 the world population reached 6 billion, doubling the previous census estimate of 1960. Recently, the United States Census Bureau issued a revised forecast for world population showing a projected growth to 9.4 billion by 2050 (US Census Bureau, http://www.census.gov/ipc/www/worldpop.html...... hiện toàn bộ
The interpretation of laser radar images by a knowledge-based system
Machine Vision and Applications - Tập 4 Số 3 - Trang 145-163 - 1991
Chu, Chen-Chau, Aggarwal, J. K.
This paper presents a knowledge-based system to interpret laser radar (ladar) images. The objective of this research is to detect and recognize man-made objects in outdoor scenes. Our system applies themultisensor fusion approach to multiple ladar modalities to improve both segmentation and interpretation. The segmentation modules are written in C. The knowledge-based interpretation system is cons...... hiện toàn bộ
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