Abstract: The invention relates to a method for locating a transmitter, which is implemented in a processing unit of a processing station of a locating system.

Abstract: The invention relates to a receiving station (1x) of a system for processing signals originating from an emitter, comprising: a first receiver (3) configured to acquire signals from the emitter; and a second receiver (4) configured to acquire signals from a satellite navigation system. The station is characterised in that the first receiver (3) and the second receiver (4) are synchronised by the same local clock (6) generating a local time base, the acquired signals being dated by said time base.

Abstract: The invention relates to a receiving station (1x) of a system for processing signals originating from an emitter, comprising: a first receiver (3) configured to acquire signals from the emitter; and a second receiver (4) configured to acquire signals from a satellite navigation system. The station is characterised in that the first receiver (3) and the second receiver (4) are synchronised by the same local clock (6) generating a local time base, the acquired signals being dated by said time base.

Abstract: The invention concerns a method for digital image stabilization for removing jitter from an original sequence of images (10) generated by a camera. The original sequence (10) is applied to a stabilization algorithm (11). The global motion of a camera is estimated and filtered (110) using a default motion filter. Predetermined parameters (13, 140, 141) are extracted from both the original (10) and stabilized (12) sequences of images. A measure value is computed in order to evaluate (15) the stabilization quality and compared to a threshold. Depending on the results of the evaluation (O15, O?15) the stabilization algorithm (11) uses an alternative filter, in order to improve stabilization quality, or continues to use the default filter.

Abstract: In a method and an encoder for encoding a digital video sequence, the digital video sequence having some sets of images including a disparity map, the disparity map being used to reconstruct one image of a set of images from another image of the set of images, the method includes the steps of encoding a type of a disparity map to be used for the reconstruction of an image, and encoding the disparity map.

Abstract: The present invention relates to a method and system for a digital image stabilization intended to remove unwanted camera movement or jitter, both translational and rotational jitter. The system comprises the following means: 1) a motion estimation stage (10) of the global motion of the camera: block motion vectors are calculated for specific parts of the image and global motion parameters representing the camera motion are then derived. 2) a motion/jitter filtering stage (11): the translation vector and the rotation angle are filtered separately, a boundary check being then performed for verifying if the correction thus done is not above an allowed threshold. 3) a jitter compensation stage (12): the raw sequence is compensated according to the extracted jitter and the result is a stabilized sequence.

Abstract: A method of and system for determining a number of pixels out of a plurality of pixels, which plurality of pixels forms an image strip, each pixel of the plurality of pixels having a specific colour component value is provided. The method involves determining a value of a first colour component of each pixel of the plurality of pixels, wherein the value corresponds to a first colour depth describable by a first number of bits, and binning the plurality of pixels into a second number of bins of a first histogram, wherein the second number is lower than a maximum value represented by the first number of bits, determining the number of entries in each bin of the first histogram and determining for each bin of the first histogram an average colour value of a second colour component of the pixels binned into the respective bin.

Abstract: In a method and an encoder for encoding a digital video sequence, the digital video sequence having some sets of images including a disparity map, the disparity map being used to reconstruct one image of a set of images from another image of the set of images, the method includes the steps of encoding a type of a disparity map to be used for the reconstruction of an image, and encoding the disparity map.

Abstract: The invention concerns a method for digital image stabilization for removing jitter from an original sequence of images (10) generated by a camera. The original sequence (10) is applied to a stabilization algorithm (11). The global motion of a camera is estimated and filtered (110) using a default motion filter. Predetermined parameters (13, 140, 141) are extracted from both the original (10) and stabilized (12) sequences of images. A measure value is computed in order to evaluate (15) the stabilization quality and compared to a threshold. Depending on the results of the evaluation (O15, O?15) the stabilization algorithm (11) uses an alternative filter, in order to improve stabilization quality, or continues to use the default filter.

Abstract: The present invention relates to a method and system for a digital image stabilization intended to remove unwanted camera movement or jitter, both translational and rotational jitter. The system comprises the following means: 1) a motion estimation stage (10) of the global motion of the camera: block motion vectors are calculated for specific parts of the image and global motion parameters representing the camera motion are then derived. 2) a motion/jitter filtering stage (11): the translation vector and the rotation angle are filtered separately, a boundary check being then performed for verifying if the correction thus done is not above an allowed threshold. 3) a jitter compensation stage (12): the raw sequence is compensated according to the extracted jitter and the result is a stabilized sequence.

Abstract: The present invention relates to a method and an encoder for encoding a digital video sequence, said digital video sequence comprising some sets of images including a disparity map, said disparity map being used to reconstruct one image of a set of images from another image of said set of images. The method is characterized in that it comprises the steps of:—encoding a type of a disparity map to be used for the reconstruction of an image, and—encoding the disparity map.

Abstract: The invention relates to a method for compressing video information in a video sequence (It, It+1). According to the invention, this method comprises the steps of: . segmenting a first video frame (Bt) into segments (St,i); . for each segment (S t,i) of the video frame (Bt): —searching, in a second video frame (It+1), a corresponding predicted segment (I) which matches with the segment (St,i) of the first video frame (Bt); —calculating a raw set of motion parameters (II) describing the motion between the segment (S t,i) and the corresponding predict segment (I); and . for each corresponding predict segment (I): —searching, in the first video frame (Bt), a corresponding segment (III) that matches with the predict segment (I) of the second video frame (I t+1); —calculating a best set of motion parameters (IV) which describes the motion between the corresponding segment (III) and the predict segment (I).

Abstract: The present invention relates to a method for post-processing a 3D digital video signal, said digital video signal having a plurality of views with associated disparity maps. The invention is characterized in that said method comprises a first step of generating a projected disparity map from an original disparity map, and a second step of filling holes within said projected disparity map, the first step comprising the sub-step of removing isolated projected pixels on said projected disparity map by filtering them.

Abstract: The present invention relates to a method for post-processing a 3D digital video signal, said digital video signal having a plurality of views with associated disparity maps. The invention is characterized in that said method comprises a first step of generating a projected disparity map from an original disparity map, and a second step of filling holes within said projected disparity map, the first step comprising the sub-step of removing isolated projected pixels on said projected disparity map by filtering them.

Abstract: The present invention relates to a video communication system (SYS), which is able to receive a digital video signal, said digital video signal comprising some sets of objects (OBJ) with components (COMP). The invention is characterized in that it comprises:—availability information (FLAG) for determining if a component (COMP) of said object (OBJ) is to be encoded and transmitted via the transmission channel (CM),—encoding means for encoding a component (COMP) of said object (OBJ) if the availability information (FLAG) is enabled,—decoding means for decoding said component (COMP) of said object (OBJ) if the availability information (FLAG) is enabled, and,—retrieving means for retrieving said component (COMP) of said object (OBJ) if availability information (FLAG) is disabled.

Abstract: The present invention relates to a method and an encoder for encoding a digital video sequence, said digital video sequence comprising some sets of images including a disparity map, said disparity map being used to reconstruct one image of a set of images from another image of said set of images. The method is characterized in that it comprises the steps of:—encoding a type of a disparity map to be used for the reconstruction of an image, and—encoding the disparity map.

Abstract: The present invention relates to a method and an encoder for encoding a digital video signal, said digital video signal comprising some sets of objects (OBJ) with associated shapes. The invention is characterized in that it comprises the steps of:—Defining information (FLAG) for determining if the shape of an object (OBJ) is to be encoded, or its complement's one, and—As a function of this information (FLAG), encoding said shape or its complement.