Abstract: A system for providing integrated guidance for positioning a needle in a body has two levels of guidance: a coarse guidance and a fine guidance. The system comprises a non-invasive tracking system (400) for tracing the biopsy device (100) in the body, for providing the coarse guidance. Furthermore, the system comprises an optical detector (101?, 102?, 103?) mounted on the needle (100) for obtaining optical information discriminating tissue in the body, for providing the fine guidance.

Abstract: A computer program product, segmentation algorithm, display image product, workstation and PACS system are disclosed, all allowing the closing of holes, or gaps, in failed segmentation algorithms. This is achieved by identifying at least one data point not included in the collection of data points identified by the segmentation algorithm and deriving a measure of the percentage of radial directions around that data point which intersect at least one detected data point in the segmentation, further including the newly identified data point into the segmentation only if the calculated percentage of radial directions is above a pre-determined threshold. The problem of holes and gaps in segmented lesions was previously only solved by amending the steps of the segmentation algorithm or by morphological reconstruction, which latter method requires use of structuring elements themselves not suitable for large holes.

Abstract: The invention relates to an illumination system (100), a projection device, and a color wheel (20, 22, 24). The illumination system comprises a light source comprising a first light-emitting unit (50) and a second light-emitting unit each emitting light towards a light output window (110). The illumination system comprises the color wheel comprising a plurality of color segments (R, G, B), a boundary between two adjacent color segment being a spoke (40). The first light-emitting unit, the second light-emitting unit and the spoke are configured for preventing the spoke when transiting the optical path (80) between the light source and the light output window to simultaneously transit a first optical path between the first light-emitting unit and the light output window and a second optical path between the second light-emitting unit and the light output window.

Abstract: A computer assisted therapy apparatus (100) uses data from functional medical imaging examinations of a patient to evaluate the response of a patient to an applied therapy. A lesion tracker (112) tracks lesion(s) detected in the medical imaging examinations, and a lesion quantifier (114) generates quantitative information indicative of functional characteristic of the lesion(s). A trend analyzer (116) uses the quantitative information to determine trends in the functional characteristic.

Abstract: The invention provides a method for measuring a flux of a selected individual lightsource among a plurality of lightsources, wherein each lightsource is controlled by an associated pulse width modulated signal, and each pulse width modulated signal has a first logic level interval at a first extremity of a timecycle wherein the associated lightsource is to be lit, and a second level interval during the remainder of said timecycle. The method according to the present invention comprises time inverting the pulse width modulated signal of all lightsources that have a first logic level interval at the same extremity as the first logic level interval as the individual lightsource to be measured (usually this applies for the pulse width modulated signals for all lightsources), by shifting their high level interval to a second extremity of a timecycle and measuring the flux of the selected individual lightsource at the first extremity of the timecycle.

Abstract: The invention relates to an illumination system (10, 20, 30) for illuminating a display device (40) and to a display device (40). The illumination system comprises a light-mixing chamber (50) which comprises a light-exit window (52), a rear wall (54) which is situated opposite the light-exit window (52), and edge walls (56, 58) which extend between the light-exit window (52) and the rear wall (54). A surface (55) of the rear wall (54) is substantially specularly reflective for specularly reflecting light impinging on the surface of the rear wall and having a relatively large angle of incidence with respect to an axis perpendicular to the rear wall. The illumination system further comprises a light source (60, 62) and a plurality of light out-coupling elements (70). The light source emits light into the light-mixing chamber in a direction substantially parallel to the light-exit window. The illumination system further comprises an angularly reflective filter (80) applied at the light-exit window.

Abstract: The invention proposes a 3D reconstruction of a body and a body contour from transversally truncated projections using a polyhedral object model. Possible clinical applications arise in the field of guided biopsies on acquisition systems equipped with a flat panel detector, where truncated projections cannot be avoided in thorax and abdominal scan protocols. From, for example, a rotational run both a 3D volume reconstruction and a surface mesh reconstruction of a patient's shape is generated and then visualized simultaneously in order to help the physician guide the biopsy device and judge the distance from the patient's skin to the tissue of interest inside the reconstructed volume.

Abstract: A radiation detector (100) includes a scintillator (102), a wavelength shifter (112), and a photodetector (110). The scintillator (102) produces scintillation photons of a first relatively short wavelength, for example in the ultraviolet or deep ultraviolet. The photodetector is sensitive to photons in the visible portion of the spectrum. The wavelength shifter reduces a spectral mismatch between the scintillator (102) and the photodetector (110).

Abstract: A network communication system (2) for two-way communication comprises: —at least one group of network devices (11); —at least one command device (20) capable of issuing at least one command signal (SC); 5—coordinating means (40) provided with a network definition memory (41) and with a device status memory (42). A network device, in response to receiving a command signal (SC), sends an acknowledgement signal (SA) to the command device. The coordinating means, in response to receiving a command signal for a 10 network device, watches for the corresponding acknowledgement signal from that network device and, in case of that network device failing to timely send the acknowledgement signal, amends in said device status memory (42) the status information (M(i)) relating to said network device. The coordinating means automatically removes a potentially defective 15 network device from the network definition memory (41) on entry of a network amendment mode.

Abstract: A digital display interface (40) connects a first audio-visual device (10) to a second audio-visual device (20). Stereoscopic image data is transmitter over the display interface (40). Components of stereoscopic image data are multiplexed and inserted into an image data carrying element. An existing deep color mode can be re-used for this purpose. Signaling information to help identify or decode the stereoscopic image data is carried in auxiliary data carrying elements. Stereoscopic image data can be distributed between image data carrying data elements and auxiliary data carrying data elements. Auxiliary data carrying elements can be transmitted in horizontal or vertical blanking periods, and can comprise HDMI Data Island Packets. Stereoscopic image data can be sent over an auxiliary data channel. The auxiliary data channel can form part of the same cable as is used to carry a primary channel of the display interface, a separate cable, or a wireless link.

Abstract: An electrochemical sensor device (100) for analysing a sample, the device (100) comprising an electronic chip (101) comprising a sensor portion (102) being sensitive for particles of the sample, a carrier element (103, 104) bonded to the electronic chip (101) to define a fluidic path together with the electronic chip (101), and a counter electrode (105) provided in a surface portion of the carrier element (103, 104).

Abstract: The invention relates to a motor vehicle lighting fixture which comprises at least: a light source comprising at least one LED; a light-transmitting part that is arranged such that it receives light from the light source; and a reflector that is arranged such that it reflects that portion of the light from the light source that passes through the light-transmitting part and couples it out to the front of the lighting fixture, a reflection portion and a refraction portion being provided within the light-transmitting part, wherein said reflection portion deflects the light issuing from the light source through total reflection in one direction that is substantially perpendicular to the optical axis of the reflector, whereas the refraction portion couples out the light in the direction of the reflector.

Abstract: To improve the scanning effect, a scanning method is provided, which comprises the steps of performing at least one of an nCT scan and a CTA scan on an object so as to obtain a set of images; detecting characteristics of a region of interest based on the set of images; and performing a CTP scan on the region of interest by adopting the characteristics to obtain a CTP image. By deriving the characteristics of the region of interest, e.g. a lesion or an area covering the lesion, before performing the CTP scan, and by adapting the subsequent CTP scan based on the characteristics of the region of interest, the drawback introduced by a limited scan area of the CTP scanner is mitigated, or even overcome.

Abstract: The present invention relates to colour generation in an indoor or outdoor lighting device, and more particularly to a control method which provides spatially consistent colour control of a lighting device designed for use in, e.g., spatially extended premises or environments containing obstacles, and thus including multiple light sensors to allow efficient control. Colour consistency is achieved by an arrangement where light of one or more of the light sources impinges on more than one light sensor. If constructional detector features, such as filter characteristics, coincide, then these sensors should in principle, after the appropriate processing, report identical colour points of the light source under consideration. Indeed, colour is a path-independent property of light, and this is the basis for a mutual calibration scheme of the detectors according to the invention.

Abstract: An adaptively controllable backlight system (1), having a plurality of individually controllable light-sources (3a-d) arranged on a backlight panel (2) to emit light in a direction substantially normal to the backlight panel (2). The backlight system (1) further comprises an outcoupling plate (5) arranged adjacent to the backlight panel (2), and adapted to capture a fraction of the light emitted by the light-sources (3a-d) and to outcouple the fraction of light through at least one outcoupling-surface (8a-b) of the outcoupling plate (5), and at least one light-guide (9, 10) arranged to receive the outcoupled light and adapted to guide the outcoupled light towards at least one outcoupling-surface (14a-b, 15a-b) of the light-guide (9, 10). Additionally, at least one sensor (16-19) is arranged to receive the guided outcoupled light and adapted to provide a signal indicative of at least one property of the outcoupled light, thereby enabling adaptive control of the backlight system (1).

Abstract: The invention relates to an apparatus for object presentations by means of an electronic display system, such as a shelf with an integrated lighting system for illuminating objects positioned on a surface of the shelf in order to create appealing object presentations for example in shops, museums or homes. A basic idea of this invention is to integrate a display system such as a lighting system into a presentation device for quickly and easily creating a decoration effect such as a light effect for attracting people. The invention provides in an embodiment an apparatus (10) for object presentations comprising a presentation device (12) with a surface (14) to display an object (16) being placed on the surface, and an electronic display system (18) being integrated in the presentation device and adapted to create a decoration effect (20) on the surface.

Abstract: This invention relates to a color controlled light source comprising a plurality of colored light elements; a detector for detecting the light output of the light source and generating a detection signal; and a color control unit for generating driving signals to said light elements on the basis of said detection signal and a predetermined target color point of the light output of the light source. In order to enable detection of contributions from individual light elements to the light output of the light source, the light source further comprises a modulator for individual signature modulation of the driving signal to each one of said light elements; and a corresponding demodulator for demodulation of said detection signal and generation of actual, i.e. measured, values of the output of the individual light elements. The color control unit determines nominal values of the light output of each light element for obtaining said target color point, and compares the actual values with the nominal values.

Abstract: A record carrier (1) of the invention stores at least video-related user data and control data in digital form. The control data enables playback control of the user data, which control data comprises at least play control data which defines user data items which are playable, at least selection control data for enabling the user to select and control reproduction of user data and at least variable control data for operating on user and system variables. The record carrier (1) is characterized in that the variable control data comprises at least one instruction for a conditional arithmetical operation.

Abstract: A lamp driver circuit for operating a gas discharge lamp (La) is proposed, which comprises a switched mode power cc supply circuit (SMPS) and a first and a second output terminal (OT1, 0T2) for supplying a lamp current to the gas discharge lamp (La). The lamp driver circuit further comprises an output capacitor (CO) connected between the SMPS circuit and a ground terminal (GT) and comprises a resistive shunt (Rsh) connected between the ground terminal (GT) and the second output terminal (0T2) for determining the lamp current. An output current sensing circuit for determining a SMPS output current is comprised in the lamp driver circuit instead of a further resistive shunt, which would require a differential voltage measurement. The output current sensing circuit comprises a sensing resistor (RS) connected in series with a sensing capacitor (CS), the series connection being connected in parallel to the output capacitor.

Abstract: The present invention relates to a solid-state laser comprising a gain medium (6) of a solid-state host material which is co-doped with Ce3+-ions and ions of a further rare-earth material. The host material is selected such that a lower edge of the 5d band of the Ce3+-ions is energetically higher than an upper lasing state of the ions of the further rare-earth material. This laser can be optically pumped by GaN laser diodes (4) in the wavelength region between 400 and 450 nm and emits laser radiation in the visible wavelength range. With this laser, in particular, a GaN diode laser pumped solid-state laser emitting in the green wavelength region can be realized.