نتایج جستجو برای: face validation
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Social memory, including the ability to recognize faces and voices, is essential for social relationships. It has a large heritable component, but the knowledge about the contributing genes is sparse. The genetic variation underlying inter-individual differences in social memory was investigated in an exploratory sample (n = 55), genotyped with a chip comprising approximately 200,000 single nuc...
Chen Jie 1 Gao Wen 1,2 Vilab, Computer College, Harbin Institute of Technology, Harbin, China, 150001 [email protected] 2 Institute of Computing Technology, CAS, Beijing, China, 100080 [email protected] Abstract: This paper presents a novel construction of face-sample set method by applying genetic algorithms (GA). The GA can yield new face samples by crossover and mutation. These new samples wil...
A thermal camera captures the temperature distribution of a scene as a thermal image. In thermal images, facial appearances of different people under different lighting conditions are similar. This is because facial temperature distribution is generally constant and not affected by lighting condition. This similarity in face appearances is advantageous for face detection. To detect faces in the...
Objectives: Mothers’ perception of their ability to parenting (maternal parenting self-efficacy) is a critical issue that influences their interactions with their preterm neonates. For better support of these mothers, a robust tool is needed which can measure mothers’ perception of their ability to understand and care for their preterm neonates as well as being sensitive to the various levels a...
Developmental prosopagnosia (DP) is a neurodevelopmental condition, characterized by lifelong face recognition deficits. Leading research groups diagnose the condition using complementary computer-based tasks and self-report measures. In an attempt to standardize the reporting of self-report evidence, we recently developed the 20-item prosopagnosia index (PI20), a short questionnaire measure of...
INTRODUCTION Validation studies are an important part of simulator evaluation and are considered necessary to establish the effectiveness of simulation-based training. The widely used Bristol transurethral resection of prostate (TURP) simulator has not been formally validated. OBJECTIVES Evaluation of the face, content, and construct validities of the Bristol TURP simulator as an endourology ...
In this paper, we propose a collaborative technique for face orientation estimation in smart camera networks. The proposed spatiotemporal feature fusion analysis is based on active collaboration between the cameras in data fusion and decision making using features extracted by each camera. First, a head strip mapping method is proposed based on a Markov model and a Viterbi-like algorithm to est...
This paper summarizes our experience with IF, an open validation environment for distributed software systems. Indeed, face to the increasing complexity of such systems, none of the existing tools can cover by itself the whole validation process. The IF environment was built upon an expressive intermediate language and allows to connect several validation tools, providing most of the advanced t...
This paper describes the AIT system for 2D face tracking and the results obtained in the CLEAR 2007 evaluations. The system is based on the complementary operation of a set of face detectors and a deterministic tracker based on color. To minimize false positives, the system is applied on the body regions provided by a stochastic body tracker, and utilizes a detection validation scheme based on ...
This work presents the application of Neocognitron to the human face recognition. Using a large-scale human face database (CMU PIE), the optimal thresholds of the Neocognitron to human face recognition are verified. During the first experiment, increasing the activation thresholds of the Neocognitron, their best values to be used in the second experiment, increasing the number of training image...
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