Sentence examples for difficult illumination from inspiring English sources

Experimental results show that the proposed localization system is four times faster than existing systems, and exhibits better matching performance compared to existing algorithms in challenging environments with difficult illumination and viewpoint conditions.

Despite the difficult illumination conditions, our algorithm is able to track the vehicle well.

This can be achieved with wedge-shaped illuminators [ 11]; however, positioning of these illuminators and homogenization of the illumination is difficult.

The threshold question which must be answered is whether the appellant has 'alleged such a personal stake in the outcome of the controversy as to assure that concrete adverseness which sharpens the presentation of issues upon which the court so largely depends for illumination of difficult constitutional questions.' Baker v. Carr, 369 U.S. 186, 204, 82 S.Ct.

The indispensable requirement is, of course, that the party seeking relief allege 'such a personal stake in the outcome of the controversy as to assure that concrete adverseness which sharpens the presentation of issues upon which the court so largely depends for illumination of difficult constitutional questions.

Because images of surfaces taken under different conditions of illumination are difficult to compare, this paper presents a method suggested by the building firm GTM Construction and the laboratory LMDC for obtaining images of luminance L∗ simulated for one standard illuminant (D65).

It should be noted that chemical doping is quite difficult in PbO, and that light illumination is an effective tool for carrier doping in PbO.

Contrast enhancement of dark images with non-uniform illumination is a difficult task, as these images have both dark and bright regions.

However, it requires the accurate current background image and the approach for automatic background updating along with the illumination variance is difficult to design and implement.

Contemplating the common functionality of forces in previous active contours models, we propose the geometric attraction-driven flow (GADF), the binary edge function, and the binary balloon forces to detect objects in difficult cases such as varying illumination and complex shapes.

Compared with other related works, this framework has the following advantages: (1) only one single frontal face is required for face recognition, which avoids the burdensome enrollment work; and (2) the synthesized face samples provide the capability to conduct recognition under difficult conditions like complex pose, illumination and expression.