By John E. W. Mayhew, John P. Frisby

3D version reputation from Stereoscopic Cues ЕСТЕСТВЕННЫЕ НАУКИ, ПРОГРАММИНГ 3D version acceptance from Stereoscopic Cues (Artificial Intelligence Series)ByJohn E.W. Mayhew, John P. FrisbyPublisher:MIT Press1991 286 PagesISBN: 0262132435PDF61 MB3D version acceptance from Stereoscopic Cues offers a wealthy, built-in account of labor performed inside of a large-scale, multisite, Alvey-funded collaborative undertaking in laptop imaginative and prescient. It offers a number of equipment for deriving floor descriptions from stereoscopic info and for matching these descriptions to three-d types for the needs of item reputation, imaginative and prescient verification, independent motor vehicle tips, and robotic notebook suggestions. state-of-the-art imaginative and prescient structures are defined in enough aspect to permit researchers to copy the consequences. sharingmatrix importing eighty five 1 2 three four five

Show description

Read Online or Download 3-D Model Recognition from Stereoscopic Cues PDF

Best imaging systems books


Optics as an issue has advanced dramatically in recent times, with many functions all through technological know-how and know-how.

Time-Varying Image Processing and Moving Object Recognition, 4. Proceedings of the 5th International Workshop Florence, Italy, September 5–6, 1996

. .. Researchers in photograph verbal exchange, synthetic intelligence and robotics will locate a lot of curiosity. ASLIB booklet consultant, 1997

Human Engineering in Stereoscopic Viewing Devices

This booklet gathers jointly info in regards to the interplay of hu­ guy stereopsis with a number of stereoscopic viewing units, specially these utilized in teleoperator platforms. The e-book isn't really desirous about computing device vi­ sion platforms. In those platforms, facts analogous to human binocular visible info is accumulated and analyzed through a few gadget to be used in determination making or keep watch over, usually with no the intervention of a human.

Renal Cell Carcinoma: Molecular Targets and Clinical Applications

Within the moment version in their significantly acclaimed publication, Ronald Bukowski, Robert Motzer, and Robert Figlin have completely up to date and extended their survey of scientific, organic and pathological administration of localized and complex renal phone carcinoma. A panel of across the world popular participants explores the most recent advancements in molecular genetics, concentrating on the unconventional pursuits which have been came across in epithelial renal tumors.

Additional info for 3-D Model Recognition from Stereoscopic Cues

Sample text

Let r r r B˜ ( vo ) = 0 B ( ro ) exp (2 / i vo u ro ) d ro r r r r r I˜i ( vi ) = 0 Ii ( ri ) exp (2 / i vi r (1-67) and r u ri ) d ri (1-68) be the spectral components of the object and image corresponding to the object and image r r spatial frequencies vo and vi , respectively, where r r vi = vo M . (1-69) 28 IMAGE FORMATION Substituting Eq. (1-56c) into Eq. (1-68) and suppressing the zi dependence of the PSF and the OTF, we obtain r r r I˜i ( vi ) = 0 d ri exp (2 / i vi = r r r r r r r r r r u ri ) 0 Ig ( rg ) PSF ( ri < rg ) d rg r r r r r 0 d rg Ig (rg ) exp (2/i vi u rg ) 0 PSF (ri < rg ) exp [2/ vi u (ri < rg )] d ri r r = I˜g ( vi ) o ( vi ) , (1-70) r where I˜g ( vi ) is the spectral component of the Gaussian image corresponding to a spatial r frequency vi and r r r r o ( vi ) = 0 PSF ( ri ) exp (2 / i vi r u ri ) d ri (1-71) is called the optical transfer function (OTF) of the imaging system at this frequency.

It should be noted that the waves with spatial frequencies v > 1 h or _ 2 + ` 2 > 1 correspond to an imaginary value of a . Such waves decay exponentially to negligible values in a short distance as they propagate, and are called evanescent waves. Hence, the region of integration in the (_, `) plane is limited to _ 2 + ` 2 ) 1. ( ) The free-space transfer function, namely, exp (ik a z ) may be written [ ( H (_, `; z ) = exp ¨©ik z 1 < _ 2 + ` 2 ª )] 1/ 2 ¬ ­ ( Rayleigh < Sommerfeld) . , for small angles of diffraction with z axis, Eq.

1-55) by 2 U ( ro ) , we may also write the PSF in the form r r PSF (ri ; z i ) Û r Ê 2pi r r ˆ r 1 = rp ri ˜ d rp 2 2 Ù P rp ; z i exp Á Ë lR ¯ Pex l R ı ( ) ◊ 2 , (1-57) r r where we have suppressed any explicit dependence on ro , and the position vector ri is r written with respect to rg . The irradiance distribution of the image of a particular object element is obtained by multiplying the PSF by Pex for that element. 5 PHYSICAL SIGNIFICANCE OF INCOHERENT PSF To understand the physical significance of the PSF defined by Eq.

Download PDF sample

Rated 4.15 of 5 – based on 29 votes