Abstract: A lensless imaging system includes a coded mask including at least one domain, and an image sensor configured to receive light that passes through the coded mask and generate an electrical signal for image generation based on the received light, where each of the at least one domain includes a plurality of sub-domains provided in a first pattern, each of the plurality of sub-domains includes a second pattern, and the plurality of sub-domains are configured to deflect incident light based on a combination of the first pattern and the second pattern.

Abstract: The present disclosure relates to a bolometer pixel and a bolometer array. The bolometer pixel includes: a substrate; an absorber configured to absorb incoming light in a predetermined wavelength range and having a central absorbent body that floats above the substrate by supports; and a reflector having a reflective layer provided on the substrate to reflect light incident on the substrate, and a pattern layer provided on the reflective layer to have lens power to concentrate the incident light onto the central absorbent body.

Abstract: An optical imaging device includes: an optical lens; and a spaceplate configured to transmit light that has passed through the optical lens, wherein the spaceplate may include a plurality of layers configured to correct a chromatic aberration of the optical lens.

Abstract: A thermal imaging sensor may include: a pixel array in which pixels with microbolometers are arranged in an M×N matrix, where M and N are integers greater than or equal to 2; a row controller configured to output a row control signal through one or more row control signal lines to select and control a predetermined row from among multiple rows; switches connected to the one or more row control signal lines and disposed at each pixel; and a plurality of column integrators configured to read a current signal from the pixel array obtained through a pixel output line and convert it into a voltage signal.

Abstract: A metalens includes a substrate, and a metasurface provided on the substrate and including a plurality of metaatoms, where at least one of the plurality of metaatoms may include a plurality of layers.

Abstract: Provided are a system and method for processing a radar signal for deriving a Doppler frequency from a sampled digital input signal radiated by a frequency modulation continuous wave (FMCW) radar. The system includes a transmission module that repeatedly transmits a radar signal having a unique frequency variation and a pulse repetition interval, a variation module that varies the frequency variation or pulse repetition interval of the radar signal transmitted by the transmission module, an extraction module that, upon occurrence of interference between the radar signal having the varied frequency variation or pulse repetition interval and another radar signal, extracts an interference signal from the varied radar signal, and an adjustment module that adjusts the radar signal to reduce the extracted interference signal.

Abstract: A vehicle radar apparatus and a method of controlling the vehicle radar apparatus, including a transmission array antenna that radiates a radar signal for forward detection; a reception array antenna that operates at N (N is an integer greater than zero) reception channels for receiving the radar signal that is radiated by the transmission array antenna, reflects from a target, and returns; an azimuth angle estimation unit that estimates an azimuth angle of the target using each non-offset reception channel of the N reception channels; and an elevation angle estimation unit that estimates an elevation angle of the target in a diagonal direction in which each non-offset channel of the N reception channels is tilted with respect to an azimuth angle of an offset reception channel thereof.

Abstract: Provided are a system and method for processing a radar signal for deriving a Doppler frequency from a sampled digital input signal radiated by a frequency modulation continuous wave (FMCW) radar. The system includes a transmission module that repeatedly transmits a radar signal having a unique frequency variation and a pulse repetition interval, a variation module that varies the frequency variation or pulse repetition interval of the radar signal transmitted by the transmission module, an extraction module that, upon occurrence of interference between the radar signal having the varied frequency variation or pulse repetition interval and another radar signal, extracts an interference signal from the varied radar signal, and an adjustment module that adjusts the radar signal to reduce the extracted interference signal.

Abstract: The present invention relates to a freeze-resistant disinfectant composition and a preparation method therefor, and the purpose thereof is to provide: an eco-friendly freeze-resistant disinfectant composition which is composed of a disinfectant composition, a siloxane oligomer and a solvent so as to be sprayed and dispersed at a low concentration while maintaining an unfrozen state at a low temperature, thereby maintaining antibacterial and antiviral activities, and which is oxidized within a short time when in contact with water, so as to be converted into a nontoxic form; and a preparation method therefor.

Abstract: A vehicle radar apparatus and a method of controlling the vehicle radar apparatus, including a transmission array antenna that radiates a radar signal for forward detection; a reception array antenna that operates at N (N is an integer greater than zero) reception channels for receiving the radar signal that is radiated by the transmission array antenna, reflects from a target, and returns; an azimuth angle estimation unit that estimates an azimuth angle of the target using each non-offset reception channel of the N reception channels; and an elevation angle estimation unit that estimates an elevation angle of the target in a diagonal direction in which each non-offset channel of the N reception channels is tilted with respect to an azimuth angle of an offset reception channel thereof.

Abstract: The present invention provides: a composition for transarterial chemoembolization, comprising two types of biodegradable microbeads having different anticancer drug release characteristics; and a preparation method therefor. According to the present invention, a composition for transarterial chemoembolization exhibiting a desired anticancer drug release characteristic can be effectively prepared by controlling the mixing ratio of first and second biodegradable microbeads. Therefore, the present invention can be usefully applied to the transarterial chemoembolization of liver cancer.

Abstract: The present invention relates to: biodegradable microbeads with improved anticancer drug adsorptivity, containing albumin and dextran sulfate; a preparation method therefor; and a method for treating cancer using the same. The microbeads of the present invention is prepared from a biocompatible and biodegradable polymer so as to be safe to the human body, and can effectively inhibit the growth of a tumor by effectively blocking a blood vessel which supplies nutrition to a liver tumor and continuously releasing an anticancer drug adsorbed on surfaces of the beads. Therefore, the present invention can be useful for liver cancer chemoembolization.

Abstract: A method of controlling a radar alignment apparatus includes calculating a first target information by using a first radar and a second target information by using a second radar spaced apart from the first radar on a vehicle by a predetermined interval. The method includes determining whether the first target and the second target are a same target based on comparing at least some of the first target information with the second target, and determining whether misalignment exists in at least one of the first radar and the second radar based on a comparison of a first angle included a first target information with a second angle included in a second target information, correcting the misalignment by using the first target information and the second target information when it is determined that the misalignment exists in at least one of the first radar and the second radar.

Abstract: The present invention relates to a biodegradable microbead having improved adsorptive power to anticancer drugs, to a method for preparing same, and to a method for treating cancer using same. According to the present invention, a rigid bead having excellent adsorptive power to anticancer drugs can be prepared through cross-linking and an amide bond between an albumin and an anionic polymer. Also, the microbead of the present invention is prepared by a biocompatible and biodegradable polymer so as to be safe when applied to the human body. Further, the microbead of the present invention can effectively inhibit the growth of a tumor by effectively blocking a blood vessel which supplies nutrients to a liver tumor, while continuously releasing anticancer drugs which are adsorbed into the surface of the bead. Thus, the present invention can be usefully applied to a chemoembolization of liver cancer.

Abstract: The present invention provides: a composition for transarterial chemoembolization, comprising two types of biodegradable microbeads having different anticancer drug release characteristics; and a preparation method therefor. According to the present invention, a composition for transarterial chemoembolization exhibiting a desired anticancer drug release characteristic can be effectively prepared by controlling the mixing ratio of first and second biodegradable microbeads. Therefore, the present invention can be usefully applied to the transarterial chemoembolization of liver cancer.

Abstract: The present invention relates to a macromolecule for delivering protein, polypeptide or peptide drugs and to a production method for the same, as well as to a slow release composition for protein, polypeptide or peptide drugs comprising the same, and more specifically relates to a polylactic acid derivative compound of Chemical formula 1 of which the numerical average molecular weight is no more than 7000 daltons and to a production method for the same, as well as to a slow release composition for protein, polypeptide or peptide drugs using the same and to a production method for the same.

Abstract: A method of controlling a radar alignment apparatus includes calculating a first target information by using a first radar and a second target information by using a second radar spaced apart from the first radar on a vehicle by a predetermined interval. The method includes determining whether the first target and the second target are a same target based on comparing at least some of the first target information with the second target, and determining whether misalignment exists in at least one of the first radar and the second radar based on a comparison of a first angle included a first target information with a second angle included in a second target information, correcting the misalignment by using the first target information and the second target information when it is determined that the misalignment exists in at least one of the first radar and the second radar.

Abstract: The present invention relates to: biodegradable microbeads with improved anticancer drug adsorptivity, containing albumin and dextran sulfate; a preparation method therefor; and a method for treating cancer using the same. The microbeads of the present invention is prepared from a biocompatible and biodegradable polymer so as to be safe to the human body, and can effectively inhibit the growth of a tumor by effectively blocking a blood vessel which supplies nutrition to a liver tumor and continuously releasing an anticancer drug adsorbed on surfaces of the beads. Therefore, the present invention can be useful for liver cancer chemoembolization.

Abstract: The present invention relates to a biodegradable microbead having improved adsorptive power to anticancer drugs, to a method for preparing same, and to a method for treating cancer using same. According to the present invention, a rigid bead having excellent adsorptive power to anticancer drugs can be prepared through cross-linking and an amide bond between an albumin and an anionic polymer. Also, the microbead of the present invention is prepared by a biocompatible and biodegradable polymer so as to be safe when applied to the human body. Further, the microbead of the present invention can effectively inhibit the growth of a tumor by effectively blocking a blood vessel which supplies nutrients to a liver tumor, while continuously releasing anticancer drugs which are adsorbed into the surface of the bead. Thus, the present invention can be usefully applied to a chemoembolization of liver cancer.