نتایج جستجو برای: slant helices
تعداد نتایج: 10635 فیلتر نتایج به سال:
Slant Correction is an important component of an Optical Character Recognition (OCR) system. The stronger the slant correction algorithm, the better the OCR system’s performance. In this work, a non-uniform slant estimation algorithm is presented. The algorithm uses the generalized projections of the word image. The algorithm is simple and robust. To evaluate the efficacy of the algorithm, imag...
Observers judged the apparent signs and magnitudes of surface slant from monocular textured images of convex or concave dihedral angles with varying fields of view between 5 degrees C and 60 degrees C. The results revealed that increasing the field of view or the regularity of the surface texture produced large increases in the magnitude of the perceptual gain (i.e., the judged slant divided by...
This paper presents a digits classification system to recognize telephone numbers written on signboards. Candidate regions of digits are extracted from an image through edge extraction, enhancement and labeling. Since the digits in the images often have skew and slant, the digits are recognized after the skew and slant correction. To correct the skew, Hough transform is used, and the slant is c...
This pa.per propc.)ses a method for estimat.ing surface 1oca.tion of a testurecl pla~le using spect.ra1 momeI1t.s. 13'hen a test.urec1 plane approaches a camera and sla~lt,s, tlle 2-D power spectrum concentrates around lower frecluencies and espancls to the slant direction. The sl>ectral ~nonlents also make clmnge correspc.)nclingly. The tlistance from camera, slant a,ngle a.ncl the slant, clir...
We measured monocular judgements of the slant of a cube face while varying eye position in the absence of stereoscopic and external lighting cues. Errors were found to be small, only 10% on average of the cube's eccentricity. Two factors appear to have contributed approximately equally to this error: an underestimate of cube slant as seen by the eye and an underestimate of eye position. When pr...
Perceived slant produced by size disparities in random-dot displays was measured by tactile matching. For a 60 deg surface, slant produced by vertical-size disparity (the induced effect) was opposite to that produced by horizontal-size disparity. Overall-size disparity produced a little slant. With small displays, effects of horizontal and vertical disparities were reduced but not those of over...
Visuomotor localization in the presence of slant was measured. Five subjects pointed at the center LED of an array of five LEDs viewed monocularly. Pointing was open-loop. The LEDs were separated by 1.5, 3.0, or 4.5 cm. The array was rotated about a vertical axis coincident with the center LED to slant the array from -50 degrees to +50 degrees. LED separation had no effect. A small linear relat...
Abstract In the original Triple Helix model (Etzkowitz and Leydesdorff 1995), three “helices” of Universities, Industry Government (3-way) interactions among between them were proposed as a basis for looking at how entrepreneurship comes into being. Since article, other “helix-based” models have been proposed. Some vary triple others propose higher numbers helix – with 4 5as most typical extens...
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